{
  "schemaVersion": 2,
  "reportDate": "2026-05-23",
  "generatedAt": "2026-07-25T18:42:34+00:00",
  "currentSnapshotAt": "2026-05-23T23:59:00+00:00",
  "previousSnapshotAt": "2026-05-22T23:59:00+00:00",
  "windowHours": 24.0,
  "currency": "BTC",
  "methodology": {
    "source": "Derivasys proprietary historical SVI surface database",
    "comparison": "Nearest successful surface snapshots approximately 24 hours apart",
    "rrConvention": "25-delta call IV minus 25-delta put IV",
    "bfConvention": "Average 25-delta wing IV minus ATM forward IV",
    "greeks": "Black forward Greeks for a normalized one-BTC ATM-forward call, zero rate, fitted SVI IV",
    "commentary": "Metrics and takeaways are deterministic. Daily headlines and introductions may be model-assisted, constrained to the same stored facts; weekly prose is deterministic.",
    "fixedTenors": "Fixed-tenor measures are interpolated independently at 1W, 2W, 1M, 3M, 6M, 9M and 1Y; headline rankings prioritise 1W, 2W, 1M, 3M, 6M and 1Y.",
    "smileReconstruction": "Listed-expiry smiles are reconstructed from stored SVI total-variance parameters on a fixed log-moneyness grid.",
    "ultraShortExpiry": "Expiries with fewer than 2 full days remaining stay in detailed tables but are excluded from headline rankings. Settlement proximity, time decay, changing liquidity and fewer quotes can exaggerate their changes.",
    "causalClaims": "The report describes observed surface changes only and does not infer unsupported market drivers, spot moves, flows or forecasts."
  },
  "fitQuality": {
    "currentObjective": 0.06527539,
    "previousObjective": 0.41801916,
    "currentLiveError": 110.73432709,
    "previousLiveError": 252.3905487
  },
  "coverage": {
    "currentListedExpiries": 12,
    "previousListedExpiries": 12,
    "comparedListedExpiries": 11,
    "addedExpiries": [
      "27MAY26"
    ],
    "removedExpiries": [
      "23MAY26"
    ],
    "fixedTenors": [
      "1W",
      "2W",
      "1M",
      "3M",
      "6M",
      "9M",
      "1Y"
    ]
  },
  "commentary": {
    "source": "deterministic",
    "model": null,
    "headline": "BTC daily surface: 1W ATM IV rises 0.33 volatility points",
    "executiveSummary": "Across the six headline tenors, ATM IV averaged -0.03 volatility points, RR25 +0.22 volatility points and BF25 -0.01 volatility points between the stored endpoints.",
    "takeaways": [
      {
        "id": "front-atm",
        "label": "Front end",
        "text": "Front-end ATM IV increased, averaging +0.10 volatility points across 1W, 2W and 1M."
      },
      {
        "id": "back-atm",
        "label": "Long end",
        "text": "Long-dated ATM IV decreased, averaging -0.14 volatility points across 6M and 1Y."
      },
      {
        "id": "rr25",
        "label": "Skew",
        "text": "RR25 moved towards calls, averaging +0.22 volatility points across the six headline tenors."
      },
      {
        "id": "bf25",
        "label": "Convexity",
        "text": "BF25 was broadly unchanged, averaging -0.01 volatility points across the six headline tenors."
      },
      {
        "id": "largest-standard-tenor",
        "label": "Largest standard-tenor move",
        "text": "The largest standard-tenor ATM IV move was +0.33 volatility points at 1W.",
        "tenor": "1W",
        "value": 0.33
      }
    ],
    "evidenceIds": [
      "front-atm",
      "back-atm",
      "rr25",
      "bf25",
      "largest-standard-tenor"
    ]
  },
  "newsEvidence": null,
  "facts": [
    {
      "id": "front-atm",
      "label": "Front end",
      "text": "Front-end ATM IV increased, averaging +0.10 volatility points across 1W, 2W and 1M."
    },
    {
      "id": "back-atm",
      "label": "Long end",
      "text": "Long-dated ATM IV decreased, averaging -0.14 volatility points across 6M and 1Y."
    },
    {
      "id": "rr25",
      "label": "Skew",
      "text": "RR25 moved towards calls, averaging +0.22 volatility points across the six headline tenors."
    },
    {
      "id": "bf25",
      "label": "Convexity",
      "text": "BF25 was broadly unchanged, averaging -0.01 volatility points across the six headline tenors."
    },
    {
      "id": "largest-standard-tenor",
      "label": "Largest standard-tenor move",
      "text": "The largest standard-tenor ATM IV move was +0.33 volatility points at 1W.",
      "tenor": "1W",
      "value": 0.33
    }
  ],
  "summaryMetrics": {
    "basis": "Average change across 1W, 2W, 1M, 3M, 6M and 1Y",
    "unit": "volatility points",
    "atmIvChange": -0.03,
    "rr25Change": 0.22,
    "bf25Change": -0.01
  },
  "tenors": [
    {
      "tenor": "1W",
      "targetExpiry": 1780185542097,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 34.55,
        "previous": 34.22,
        "change": 0.33,
        "percentChange": 0.96
      },
      "rr25": {
        "current": -4.13,
        "previous": -3.69,
        "change": -0.44,
        "percentChange": -11.92
      },
      "bf25": {
        "current": 1.69,
        "previous": 1.59,
        "change": 0.1,
        "percentChange": 6.29
      }
    },
    {
      "tenor": "2W",
      "targetExpiry": 1780790342097,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 34.09,
        "previous": 34.0,
        "change": 0.09,
        "percentChange": 0.26
      },
      "rr25": {
        "current": -4.82,
        "previous": -5.22,
        "change": 0.4,
        "percentChange": 7.66
      },
      "bf25": {
        "current": 1.78,
        "previous": 1.74,
        "change": 0.04,
        "percentChange": 2.3
      }
    },
    {
      "tenor": "1M",
      "targetExpiry": 1782172742097,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 34.79,
        "previous": 34.9,
        "change": -0.11,
        "percentChange": -0.32
      },
      "rr25": {
        "current": -5.07,
        "previous": -5.74,
        "change": 0.67,
        "percentChange": 11.67
      },
      "bf25": {
        "current": 2.09,
        "previous": 2.08,
        "change": 0.01,
        "percentChange": 0.48
      }
    },
    {
      "tenor": "3M",
      "targetExpiry": 1787443142097,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 37.39,
        "previous": 37.62,
        "change": -0.23,
        "percentChange": -0.61
      },
      "rr25": {
        "current": -5.16,
        "previous": -5.37,
        "change": 0.21,
        "percentChange": 3.91
      },
      "bf25": {
        "current": 2.36,
        "previous": 2.39,
        "change": -0.03,
        "percentChange": -1.26
      }
    },
    {
      "tenor": "6M",
      "targetExpiry": 1795305542097,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 40.93,
        "previous": 41.12,
        "change": -0.19,
        "percentChange": -0.46
      },
      "rr25": {
        "current": -4.9,
        "previous": -5.24,
        "change": 0.34,
        "percentChange": 6.49
      },
      "bf25": {
        "current": 2.46,
        "previous": 2.56,
        "change": -0.1,
        "percentChange": -3.91
      }
    },
    {
      "tenor": "9M",
      "targetExpiry": 1803167942097,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 42.77,
        "previous": 42.88,
        "change": -0.11,
        "percentChange": -0.26
      },
      "rr25": {
        "current": -4.71,
        "previous": -4.94,
        "change": 0.23,
        "percentChange": 4.66
      },
      "bf25": {
        "current": 2.45,
        "previous": 2.56,
        "change": -0.11,
        "percentChange": -4.3
      }
    },
    {
      "tenor": "1Y",
      "targetExpiry": 1811116742097,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 43.69,
        "previous": 43.77,
        "change": -0.08,
        "percentChange": -0.18
      },
      "rr25": {
        "current": -4.55,
        "previous": -4.69,
        "change": 0.14,
        "percentChange": 2.99
      },
      "bf25": {
        "current": 2.43,
        "previous": 2.51,
        "change": -0.08,
        "percentChange": -3.19
      }
    }
  ],
  "listedExpiries": [
    {
      "label": "24MAY26",
      "expiry": 1779609600000,
      "tauYears": 0.00091515,
      "daysToExpiry": 0.334,
      "expiryClassification": "ultra-short",
      "rankingEligible": false,
      "forward": {
        "current": 76676.89,
        "previous": 75493.83,
        "change": 1183.06,
        "percentChange": 1.57
      },
      "atmIv": {
        "current": 30.83,
        "previous": 24.78,
        "change": 6.05,
        "percentChange": 24.41
      },
      "rr25": {
        "current": -2.38,
        "previous": -5.02,
        "change": 2.64,
        "percentChange": 52.59
      },
      "bf25": {
        "current": 1.08,
        "previous": 0.88,
        "change": 0.2,
        "percentChange": 22.73
      },
      "svi": {
        "a": {
          "current": -0.0138,
          "previous": -0.0919,
          "change": 0.0781,
          "percentChange": 85.01
        },
        "b": {
          "current": 0.0461,
          "previous": 0.104,
          "change": -0.058,
          "percentChange": -55.72
        },
        "rho": {
          "current": -0.1832,
          "previous": -0.1762,
          "change": -0.007,
          "percentChange": -4.0
        },
        "m": {
          "current": -0.0499,
          "previous": -0.1214,
          "change": 0.0715,
          "percentChange": 58.92
        },
        "sigma": {
          "current": 0.3062,
          "previous": 0.899,
          "change": -0.5928,
          "percentChange": -65.94
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          267.3217,
          255.7146,
          243.9336,
          231.9812,
          219.8616,
          207.5807,
          195.1469,
          182.5711,
          169.8676,
          157.0543,
          144.1539,
          131.1948,
          118.2135,
          105.2575,
          92.3916,
          79.7092,
          67.3557,
          55.5787,
          44.84,
          36.0488,
          30.837,
          30.9467,
          36.2014,
          44.7022,
          54.8472,
          65.7758,
          77.06,
          88.4777,
          99.9058,
          111.2713,
          122.5296,
          133.6522,
          144.6208,
          155.4242,
          166.0555,
          176.511,
          186.7894,
          196.8913,
          206.8181,
          216.5724,
          226.1575
        ],
        "previous": [
          135.4079,
          129.5568,
          123.7031,
          117.849,
          111.9966,
          106.1485,
          100.3076,
          94.4772,
          88.661,
          82.8637,
          77.0909,
          71.3494,
          65.6481,
          59.9987,
          54.417,
          48.9253,
          43.5558,
          38.357,
          33.4049,
          28.821,
          24.8028,
          21.6573,
          19.7923,
          19.5638,
          21.0112,
          23.8179,
          27.5597,
          31.8981,
          36.6114,
          41.5629,
          46.668,
          51.8732,
          57.1434,
          62.4551,
          67.7915,
          73.1408,
          78.4942,
          83.8452,
          89.1885,
          94.5202,
          99.8371
        ],
        "change": [
          131.9138,
          126.1578,
          120.2305,
          114.1322,
          107.865,
          101.4322,
          94.8393,
          88.0939,
          81.2066,
          74.1906,
          67.063,
          59.8454,
          52.5654,
          45.2588,
          37.9746,
          30.7839,
          23.7999,
          17.2217,
          11.4351,
          7.2278,
          6.0342,
          9.2894,
          16.4091,
          25.1384,
          33.836,
          41.9579,
          49.5003,
          56.5796,
          63.2944,
          69.7084,
          75.8616,
          81.779,
          87.4774,
          92.9691,
          98.264,
          103.3702,
          108.2952,
          113.0461,
          117.6296,
          122.0522,
          126.3204
        ],
        "classification": [
          "rotation towards calls",
          "wing steepening"
        ],
        "parallelShift": 49.653,
        "rotation": 8.799,
        "wingChange": 65.428,
        "rmsChange": 80.338
      }
    },
    {
      "label": "25MAY26",
      "expiry": 1779696000000,
      "tauYears": 0.00365488,
      "daysToExpiry": 1.334,
      "expiryClassification": "ultra-short",
      "rankingEligible": false,
      "forward": {
        "current": 76685.11,
        "previous": 75496.07,
        "change": 1189.04,
        "percentChange": 1.57
      },
      "atmIv": {
        "current": 32.48,
        "previous": 28.48,
        "change": 4.0,
        "percentChange": 14.04
      },
      "rr25": {
        "current": -2.35,
        "previous": -4.09,
        "change": 1.74,
        "percentChange": 42.54
      },
      "bf25": {
        "current": 1.35,
        "previous": 1.25,
        "change": 0.1,
        "percentChange": 8.0
      },
      "svi": {
        "a": {
          "current": -0.0431,
          "previous": -0.0692,
          "change": 0.0261,
          "percentChange": 37.71
        },
        "b": {
          "current": 0.0882,
          "previous": 0.1141,
          "change": -0.0259,
          "percentChange": -22.69
        },
        "rho": {
          "current": -0.1348,
          "previous": -0.2488,
          "change": 0.114,
          "percentChange": 45.81
        },
        "m": {
          "current": -0.0558,
          "previous": -0.1336,
          "change": 0.0778,
          "percentChange": 58.26
        },
        "sigma": {
          "current": 0.4973,
          "previous": 0.6302,
          "change": -0.1329,
          "percentChange": -21.09
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          154.1235,
          147.3441,
          140.5286,
          133.6821,
          126.8102,
          119.92,
          113.0195,
          106.1186,
          99.2289,
          92.3651,
          85.5451,
          78.792,
          72.1355,
          65.6153,
          59.2858,
          53.2225,
          47.533,
          42.371,
          37.9513,
          34.5549,
          32.4939,
          32.0126,
          33.1617,
          35.764,
          39.5122,
          44.0933,
          49.2543,
          54.8109,
          60.6345,
          66.636,
          72.7532,
          78.942,
          85.1706,
          91.4153,
          97.6587,
          103.8875,
          110.0912,
          116.2621,
          122.3939,
          128.4819,
          134.5221
        ],
        "previous": [
          124.416,
          118.9935,
          113.5699,
          108.1493,
          102.7361,
          97.3357,
          91.9537,
          86.597,
          81.2736,
          75.993,
          70.7667,
          65.6091,
          60.5381,
          55.5772,
          50.757,
          46.119,
          41.7196,
          37.6364,
          33.9754,
          30.8762,
          28.5098,
          27.0538,
          26.6408,
          27.3004,
          28.9415,
          31.3935,
          34.4671,
          37.9965,
          41.8519,
          45.9378,
          50.1854,
          54.545,
          58.981,
          63.467,
          67.9837,
          72.5162,
          77.0535,
          81.5869,
          86.1097,
          90.6167,
          95.1037
        ],
        "change": [
          29.7075,
          28.3506,
          26.9587,
          25.5328,
          24.0741,
          22.5843,
          21.0658,
          19.5216,
          17.9553,
          16.3721,
          14.7784,
          13.1829,
          11.5974,
          10.0381,
          8.5288,
          7.1035,
          5.8134,
          4.7346,
          3.9759,
          3.6787,
          3.9841,
          4.9588,
          6.5209,
          8.4636,
          10.5707,
          12.6998,
          14.7872,
          16.8144,
          18.7826,
          20.6982,
          22.5678,
          24.397,
          26.1896,
          27.9483,
          29.675,
          31.3713,
          33.0377,
          34.6752,
          36.2842,
          37.8652,
          39.4184
        ],
        "classification": [
          "rotation towards calls",
          "wing steepening"
        ],
        "parallelShift": 13.777,
        "rotation": 7.789,
        "wingChange": 14.689,
        "rmsChange": 21.612
      }
    },
    {
      "label": "26MAY26",
      "expiry": 1779782400000,
      "tauYears": 0.00639464,
      "daysToExpiry": 2.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 76677.17,
        "previous": 75503.05,
        "change": 1174.12,
        "percentChange": 1.56
      },
      "atmIv": {
        "current": 34.02,
        "previous": 30.13,
        "change": 3.89,
        "percentChange": 12.91
      },
      "rr25": {
        "current": -3.1,
        "previous": -4.03,
        "change": 0.93,
        "percentChange": 23.08
      },
      "bf25": {
        "current": 1.78,
        "previous": 1.33,
        "change": 0.45,
        "percentChange": 33.83
      },
      "svi": {
        "a": {
          "current": -0.0453,
          "previous": -0.0705,
          "change": 0.0252,
          "percentChange": 35.79
        },
        "b": {
          "current": 0.0998,
          "previous": 0.1165,
          "change": -0.0167,
          "percentChange": -14.35
        },
        "rho": {
          "current": -0.0991,
          "previous": -0.2635,
          "change": 0.1643,
          "percentChange": 62.38
        },
        "m": {
          "current": -0.0294,
          "previous": -0.14,
          "change": 0.1107,
          "percentChange": 79.03
        },
        "sigma": {
          "current": 0.463,
          "previous": 0.6339,
          "change": -0.1709,
          "percentChange": -26.95
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          130.7458,
          125.3225,
          119.8661,
          114.381,
          108.8727,
          103.3475,
          97.8132,
          92.2793,
          86.7573,
          81.2614,
          75.809,
          70.4226,
          65.1302,
          59.9685,
          54.9854,
          50.2443,
          45.8292,
          41.8507,
          38.4493,
          35.7916,
          34.0507,
          33.3652,
          33.7908,
          35.276,
          37.6823,
          40.8327,
          44.554,
          48.6998,
          53.155,
          57.8326,
          62.6677,
          67.6118,
          72.6288,
          77.691,
          82.7776,
          87.8722,
          92.9623,
          98.038,
          103.0914,
          108.1164,
          113.108
        ],
        "previous": [
          107.6072,
          103.0905,
          98.5796,
          94.0787,
          89.5923,
          85.1259,
          80.6854,
          76.2778,
          71.9115,
          67.596,
          63.3431,
          59.1671,
          55.0855,
          51.1203,
          47.2994,
          43.6581,
          40.2419,
          37.108,
          34.3277,
          31.9856,
          30.175,
          28.9851,
          28.4824,
          28.6906,
          29.5823,
          31.0861,
          33.1063,
          35.5433,
          38.3063,
          41.3192,
          44.5213,
          47.865,
          51.3138,
          54.8394,
          58.4202,
          62.0391,
          65.683,
          69.3414,
          73.0061,
          76.6705,
          80.3292
        ],
        "change": [
          23.1386,
          22.232,
          21.2865,
          20.3023,
          19.2804,
          18.2216,
          17.1278,
          16.0015,
          14.8458,
          13.6654,
          12.4659,
          11.2555,
          10.0447,
          8.8482,
          7.686,
          6.5862,
          5.5873,
          4.7427,
          4.1216,
          3.806,
          3.8757,
          4.3801,
          5.3084,
          6.5854,
          8.1,
          9.7466,
          11.4477,
          13.1565,
          14.8487,
          16.5134,
          18.1464,
          19.7468,
          21.315,
          22.8516,
          24.3574,
          25.8331,
          27.2793,
          28.6966,
          30.0853,
          31.4459,
          32.7788
        ],
        "classification": [
          "rotation towards calls",
          "wing steepening"
        ],
        "parallelShift": 11.496,
        "rotation": 5.681,
        "wingChange": 11.43,
        "rmsChange": 17.642
      }
    },
    {
      "label": "29MAY26",
      "expiry": 1780041600000,
      "tauYears": 0.01461378,
      "daysToExpiry": 5.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 76672.55,
        "previous": 75510.02,
        "change": 1162.53,
        "percentChange": 1.54
      },
      "atmIv": {
        "current": 34.9,
        "previous": 34.28,
        "change": 0.62,
        "percentChange": 1.81
      },
      "rr25": {
        "current": -3.71,
        "previous": -3.38,
        "change": -0.33,
        "percentChange": -9.76
      },
      "bf25": {
        "current": 1.71,
        "previous": 1.56,
        "change": 0.15,
        "percentChange": 9.62
      },
      "svi": {
        "a": {
          "current": -0.0797,
          "previous": -0.1079,
          "change": 0.0282,
          "percentChange": 26.11
        },
        "b": {
          "current": 0.127,
          "previous": 0.1429,
          "change": -0.0159,
          "percentChange": -11.14
        },
        "rho": {
          "current": -0.0545,
          "previous": -0.0738,
          "change": 0.0192,
          "percentChange": 26.09
        },
        "m": {
          "current": -0.0018,
          "previous": -0.0216,
          "change": 0.0198,
          "percentChange": 91.45
        },
        "sigma": {
          "current": 0.6418,
          "previous": 0.7704,
          "change": -0.1286,
          "percentChange": -16.69
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          91.4712,
          88.0807,
          84.6923,
          81.3098,
          77.9379,
          74.5818,
          71.2478,
          67.9431,
          64.6763,
          61.4577,
          58.2992,
          55.2152,
          52.223,
          49.343,
          46.5999,
          44.0225,
          41.6448,
          39.5055,
          37.6476,
          36.1159,
          34.9546,
          34.2016,
          33.8836,
          34.0118,
          34.5791,
          35.5623,
          36.9249,
          38.6235,
          40.612,
          42.8459,
          45.2848,
          47.8929,
          50.6394,
          53.4987,
          56.449,
          59.4722,
          62.5535,
          65.6802,
          68.842,
          72.0301,
          75.2372
        ],
        "previous": [
          83.6118,
          80.5612,
          77.522,
          74.4979,
          71.4933,
          68.5133,
          65.5636,
          62.651,
          59.7832,
          56.9695,
          54.2205,
          51.5489,
          48.9693,
          46.4992,
          44.1586,
          41.971,
          39.9627,
          38.1632,
          36.604,
          35.3175,
          34.3343,
          33.6805,
          33.3749,
          33.4256,
          33.8296,
          34.5726,
          35.6311,
          36.9756,
          38.5736,
          40.3922,
          42.4001,
          44.5687,
          46.8727,
          49.29,
          51.8017,
          54.3916,
          57.0461,
          59.7535,
          62.504,
          65.2894,
          68.1024
        ],
        "change": [
          7.8594,
          7.5195,
          7.1703,
          6.8119,
          6.4446,
          6.0685,
          5.6842,
          5.2921,
          4.8931,
          4.4882,
          4.0787,
          3.6663,
          3.2537,
          2.8438,
          2.4413,
          2.0515,
          1.6821,
          1.3423,
          1.0436,
          0.7984,
          0.6203,
          0.5211,
          0.5087,
          0.5862,
          0.7495,
          0.9897,
          1.2938,
          1.6479,
          2.0384,
          2.4537,
          2.8847,
          3.3242,
          3.7667,
          4.2087,
          4.6473,
          5.0806,
          5.5074,
          5.9267,
          6.338,
          6.7407,
          7.1348
        ],
        "classification": [
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 2.528,
        "rotation": -1.194,
        "wingChange": 2.861,
        "rmsChange": 4.368
      }
    },
    {
      "label": "5JUN26",
      "expiry": 1780646400000,
      "tauYears": 0.03379186,
      "daysToExpiry": 12.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 76678.93,
        "previous": 75526.56,
        "change": 1152.37,
        "percentChange": 1.53
      },
      "atmIv": {
        "current": 34.05,
        "previous": 33.94,
        "change": 0.11,
        "percentChange": 0.32
      },
      "rr25": {
        "current": -4.71,
        "previous": -5.14,
        "change": 0.43,
        "percentChange": 8.37
      },
      "bf25": {
        "current": 1.67,
        "previous": 1.72,
        "change": -0.05,
        "percentChange": -2.91
      },
      "svi": {
        "a": {
          "current": -0.0884,
          "previous": -0.1007,
          "change": 0.0123,
          "percentChange": 12.21
        },
        "b": {
          "current": 0.1339,
          "previous": 0.1434,
          "change": -0.0094,
          "percentChange": -6.58
        },
        "rho": {
          "current": 0.0002,
          "previous": -0.0702,
          "change": 0.0704,
          "percentChange": 100.25
        },
        "m": {
          "current": 0.066,
          "previous": 0.0225,
          "change": 0.0435,
          "percentChange": 193.77
        },
        "sigma": {
          "current": 0.6864,
          "previous": 0.7301,
          "change": -0.0437,
          "percentChange": -5.98
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          68.2976,
          66.253,
          64.2147,
          62.1853,
          60.1678,
          58.1653,
          56.1817,
          54.2213,
          52.2888,
          50.3897,
          48.5304,
          46.7177,
          44.9597,
          43.2653,
          41.6445,
          40.1085,
          38.6695,
          37.3407,
          36.1362,
          35.0705,
          34.1582,
          33.4131,
          32.8477,
          32.4722,
          32.2938,
          32.316,
          32.5383,
          32.9565,
          33.5626,
          34.3458,
          35.2933,
          36.391,
          37.6243,
          38.9787,
          40.4404,
          41.9963,
          43.6344,
          45.3438,
          47.1149,
          48.9387,
          50.8077
        ],
        "previous": [
          68.1467,
          66.1017,
          64.0654,
          62.0402,
          60.029,
          58.0349,
          56.0615,
          54.1129,
          52.1935,
          50.3084,
          48.4635,
          46.6651,
          44.9204,
          43.2377,
          41.6258,
          40.0949,
          38.6558,
          37.3203,
          36.101,
          35.0108,
          34.0629,
          33.2699,
          32.6432,
          32.1927,
          31.9254,
          31.8456,
          31.9539,
          32.2476,
          32.7204,
          33.3635,
          34.1657,
          35.1145,
          36.1966,
          37.3987,
          38.7075,
          40.1108,
          41.5969,
          43.1552,
          44.7761,
          46.4512,
          48.1726
        ],
        "change": [
          0.1509,
          0.1513,
          0.1493,
          0.1451,
          0.1388,
          0.1304,
          0.1202,
          0.1084,
          0.0953,
          0.0813,
          0.0669,
          0.0526,
          0.0393,
          0.0276,
          0.0187,
          0.0136,
          0.0137,
          0.0204,
          0.0352,
          0.0597,
          0.0953,
          0.1432,
          0.2045,
          0.2795,
          0.3684,
          0.4704,
          0.5844,
          0.7089,
          0.8422,
          0.9823,
          1.1276,
          1.2765,
          1.4277,
          1.58,
          1.7329,
          1.8855,
          2.0375,
          2.1886,
          2.3388,
          2.4875,
          2.6351
        ],
        "classification": [
          "rotation towards calls",
          "wing steepening"
        ],
        "parallelShift": 0.43,
        "rotation": 1.061,
        "wingChange": 0.502,
        "rmsChange": 1.045
      }
    },
    {
      "label": "12JUN26",
      "expiry": 1781251200000,
      "tauYears": 0.05296998,
      "daysToExpiry": 19.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 76699.52,
        "previous": 75541.3,
        "change": 1158.22,
        "percentChange": 1.53
      },
      "atmIv": {
        "current": 34.17,
        "previous": 34.35,
        "change": -0.18,
        "percentChange": -0.52
      },
      "rr25": {
        "current": -5.03,
        "previous": -5.71,
        "change": 0.68,
        "percentChange": 11.91
      },
      "bf25": {
        "current": 2.01,
        "previous": 1.89,
        "change": 0.12,
        "percentChange": 6.35
      },
      "svi": {
        "a": {
          "current": -0.0801,
          "previous": -0.0912,
          "change": 0.0111,
          "percentChange": 12.21
        },
        "b": {
          "current": 0.1459,
          "previous": 0.1437,
          "change": 0.0022,
          "percentChange": 1.53
        },
        "rho": {
          "current": 0.081,
          "previous": -0.0677,
          "change": 0.1488,
          "percentChange": 219.69
        },
        "m": {
          "current": 0.1199,
          "previous": 0.0485,
          "change": 0.0714,
          "percentChange": 147.29
        },
        "sigma": {
          "current": 0.5893,
          "previous": 0.676,
          "change": -0.0867,
          "percentChange": -12.83
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          62.2455,
          60.5894,
          58.9368,
          57.2898,
          55.6508,
          54.0226,
          52.4083,
          50.8115,
          49.2362,
          47.6869,
          46.1687,
          44.6875,
          43.2495,
          41.862,
          40.5328,
          39.2706,
          38.0848,
          36.9855,
          35.9833,
          35.089,
          34.3135,
          33.6674,
          33.1603,
          32.8006,
          32.5948,
          32.5471,
          32.6593,
          32.9306,
          33.3576,
          33.9344,
          34.6536,
          35.5059,
          36.4814,
          37.5695,
          38.7596,
          40.0413,
          41.4046,
          42.8401,
          44.3389,
          45.8931,
          47.4953
        ],
        "previous": [
          62.0637,
          60.427,
          58.7974,
          57.177,
          55.568,
          53.9729,
          52.3945,
          50.836,
          49.3007,
          47.7924,
          46.3155,
          44.8744,
          43.4744,
          42.1209,
          40.8202,
          39.5787,
          38.4036,
          37.3023,
          36.2826,
          35.3527,
          34.5206,
          33.7942,
          33.1811,
          32.6878,
          32.3201,
          32.0821,
          31.9767,
          32.0045,
          32.1646,
          32.4543,
          32.8692,
          33.4034,
          34.0501,
          34.8015,
          35.6497,
          36.5863,
          37.6031,
          38.692,
          39.8455,
          41.0563,
          42.3178
        ],
        "change": [
          0.1818,
          0.1624,
          0.1394,
          0.1128,
          0.0828,
          0.0497,
          0.0138,
          -0.0245,
          -0.0645,
          -0.1055,
          -0.1468,
          -0.1869,
          -0.2249,
          -0.2589,
          -0.2874,
          -0.3081,
          -0.3188,
          -0.3168,
          -0.2993,
          -0.2637,
          -0.2071,
          -0.1268,
          -0.0208,
          0.1128,
          0.2747,
          0.465,
          0.6826,
          0.9261,
          1.193,
          1.4801,
          1.7844,
          2.1025,
          2.4313,
          2.768,
          3.1099,
          3.455,
          3.8015,
          4.1481,
          4.4934,
          4.8368,
          5.1775
        ],
        "classification": [
          "rotation towards calls",
          "wing steepening"
        ],
        "parallelShift": 0.477,
        "rotation": 1.931,
        "wingChange": 1.026,
        "rmsChange": 1.919
      }
    },
    {
      "label": "26JUN26",
      "expiry": 1782460800000,
      "tauYears": 0.09132611,
      "daysToExpiry": 33.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 76770.59,
        "previous": 75615.07,
        "change": 1155.52,
        "percentChange": 1.53
      },
      "atmIv": {
        "current": 34.9,
        "previous": 35.04,
        "change": -0.14,
        "percentChange": -0.4
      },
      "rr25": {
        "current": -5.08,
        "previous": -5.74,
        "change": 0.66,
        "percentChange": 11.5
      },
      "bf25": {
        "current": 2.1,
        "previous": 2.14,
        "change": -0.04,
        "percentChange": -1.87
      },
      "svi": {
        "a": {
          "current": -0.0988,
          "previous": -0.1007,
          "change": 0.0019,
          "percentChange": 1.85
        },
        "b": {
          "current": 0.1664,
          "previous": 0.1733,
          "change": -0.0068,
          "percentChange": -3.95
        },
        "rho": {
          "current": 0.0441,
          "previous": 0.1145,
          "change": -0.0704,
          "percentChange": -61.51
        },
        "m": {
          "current": 0.123,
          "previous": 0.1799,
          "change": -0.0569,
          "percentChange": -31.61
        },
        "sigma": {
          "current": 0.6552,
          "previous": 0.6444,
          "change": 0.0108,
          "percentChange": 1.67
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          55.2707,
          54.0415,
          52.8199,
          51.6077,
          50.4066,
          49.2188,
          48.0465,
          46.8921,
          45.7584,
          44.6484,
          43.5652,
          42.5123,
          41.4934,
          40.5126,
          39.5741,
          38.6824,
          37.8423,
          37.0586,
          36.3364,
          35.6806,
          35.0961,
          34.5877,
          34.1598,
          33.8164,
          33.561,
          33.396,
          33.3236,
          33.3446,
          33.4591,
          33.6663,
          33.9645,
          34.351,
          34.8226,
          35.3756,
          36.0054,
          36.7076,
          37.4772,
          38.3093,
          39.199,
          40.1415,
          41.1319
        ],
        "previous": [
          55.565,
          54.3666,
          53.1735,
          51.987,
          50.809,
          49.6411,
          48.4853,
          47.3438,
          46.2191,
          45.1138,
          44.0309,
          42.9734,
          41.9449,
          40.9491,
          39.99,
          39.072,
          38.1997,
          37.3779,
          36.6116,
          35.9059,
          35.2662,
          34.6976,
          34.2051,
          33.7935,
          33.467,
          33.2293,
          33.0836,
          33.0319,
          33.0756,
          33.2149,
          33.4492,
          33.7769,
          34.1956,
          34.702,
          35.2923,
          35.9621,
          36.7067,
          37.5212,
          38.4005,
          39.3397,
          40.3337
        ],
        "change": [
          -0.2943,
          -0.3251,
          -0.3536,
          -0.3793,
          -0.4024,
          -0.4223,
          -0.4388,
          -0.4517,
          -0.4607,
          -0.4654,
          -0.4657,
          -0.4611,
          -0.4515,
          -0.4365,
          -0.4159,
          -0.3896,
          -0.3574,
          -0.3193,
          -0.2752,
          -0.2253,
          -0.1701,
          -0.1099,
          -0.0453,
          0.0229,
          0.094,
          0.1667,
          0.24,
          0.3127,
          0.3835,
          0.4514,
          0.5153,
          0.5741,
          0.627,
          0.6736,
          0.7131,
          0.7455,
          0.7705,
          0.7881,
          0.7985,
          0.8018,
          0.7982
        ],
        "classification": [
          "rotation towards calls"
        ],
        "parallelShift": -0.04,
        "rotation": 0.981,
        "wingChange": 0.195,
        "rmsChange": 0.478
      }
    },
    {
      "label": "31JUL26",
      "expiry": 1785484800000,
      "tauYears": 0.18721652,
      "daysToExpiry": 68.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 76905.05,
        "previous": 75734.43,
        "change": 1170.62,
        "percentChange": 1.55
      },
      "atmIv": {
        "current": 36.18,
        "previous": 36.39,
        "change": -0.21,
        "percentChange": -0.58
      },
      "rr25": {
        "current": -5.4,
        "previous": -5.47,
        "change": 0.07,
        "percentChange": 1.28
      },
      "bf25": {
        "current": 2.28,
        "previous": 2.29,
        "change": -0.01,
        "percentChange": -0.44
      },
      "svi": {
        "a": {
          "current": -0.0861,
          "previous": -0.1346,
          "change": 0.0486,
          "percentChange": 36.07
        },
        "b": {
          "current": 0.1727,
          "previous": 0.2056,
          "change": -0.0328,
          "percentChange": -15.98
        },
        "rho": {
          "current": 0.0061,
          "previous": -0.001,
          "change": 0.0071,
          "percentChange": 706.95
        },
        "m": {
          "current": 0.1421,
          "previous": 0.142,
          "change": 0.0001,
          "percentChange": 0.04
        },
        "sigma": {
          "current": 0.6277,
          "previous": 0.7663,
          "change": -0.1387,
          "percentChange": -18.09
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          49.6058,
          48.814,
          48.0286,
          47.2506,
          46.4811,
          45.7212,
          44.9721,
          44.2351,
          43.5116,
          42.8031,
          42.1111,
          41.4373,
          40.7834,
          40.1513,
          39.5427,
          38.9597,
          38.4042,
          37.8782,
          37.3837,
          36.9228,
          36.4974,
          36.1096,
          35.7611,
          35.4536,
          35.1889,
          34.9683,
          34.793,
          34.6641,
          34.5823,
          34.5481,
          34.5618,
          34.6232,
          34.732,
          34.8877,
          35.0893,
          35.3358,
          35.6258,
          35.9579,
          36.3303,
          36.7413,
          37.189
        ],
        "previous": [
          49.9095,
          49.0992,
          48.2972,
          47.5045,
          46.7222,
          45.9513,
          45.1931,
          44.4487,
          43.7196,
          43.0071,
          42.3126,
          41.6376,
          40.9838,
          40.3527,
          39.7461,
          39.1657,
          38.6132,
          38.0904,
          37.5991,
          37.141,
          36.718,
          36.3316,
          35.9834,
          35.675,
          35.4077,
          35.1829,
          35.0015,
          34.8644,
          34.7723,
          34.7257,
          34.7249,
          34.7697,
          34.86,
          34.9954,
          35.175,
          35.3982,
          35.6638,
          35.9705,
          36.317,
          36.7018,
          37.1232
        ],
        "change": [
          -0.3037,
          -0.2852,
          -0.2686,
          -0.2539,
          -0.2411,
          -0.2301,
          -0.221,
          -0.2136,
          -0.208,
          -0.204,
          -0.2015,
          -0.2003,
          -0.2004,
          -0.2014,
          -0.2034,
          -0.206,
          -0.209,
          -0.2122,
          -0.2154,
          -0.2182,
          -0.2206,
          -0.222,
          -0.2223,
          -0.2214,
          -0.2188,
          -0.2146,
          -0.2085,
          -0.2003,
          -0.19,
          -0.1776,
          -0.1631,
          -0.1465,
          -0.128,
          -0.1077,
          -0.0857,
          -0.0624,
          -0.038,
          -0.0126,
          0.0133,
          0.0395,
          0.0658
        ],
        "classification": [
          "parallel shift lower"
        ],
        "parallelShift": -0.195,
        "rotation": 0.038,
        "wingChange": 0.038,
        "rmsChange": 0.195
      }
    },
    {
      "label": "25SEP26",
      "expiry": 1790323200000,
      "tauYears": 0.34064121,
      "daysToExpiry": 124.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 77221.55,
        "previous": 76037.52,
        "change": 1184.03,
        "percentChange": 1.56
      },
      "atmIv": {
        "current": 38.34,
        "previous": 38.67,
        "change": -0.33,
        "percentChange": -0.85
      },
      "rr25": {
        "current": -4.98,
        "previous": -5.29,
        "change": 0.31,
        "percentChange": 5.86
      },
      "bf25": {
        "current": 2.42,
        "previous": 2.47,
        "change": -0.05,
        "percentChange": -2.02
      },
      "svi": {
        "a": {
          "current": -0.2389,
          "previous": -0.1394,
          "change": -0.0995,
          "percentChange": -71.35
        },
        "b": {
          "current": 0.2805,
          "previous": 0.2276,
          "change": 0.0529,
          "percentChange": 23.27
        },
        "rho": {
          "current": -0.2301,
          "previous": -0.0889,
          "change": -0.1412,
          "percentChange": -158.92
        },
        "m": {
          "current": -0.0607,
          "previous": 0.1169,
          "change": -0.1776,
          "percentChange": -151.96
        },
        "sigma": {
          "current": 1.0465,
          "previous": 0.8253,
          "change": 0.2213,
          "percentChange": 26.81
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          47.7435,
          47.1625,
          46.5921,
          46.0328,
          45.485,
          44.9494,
          44.4266,
          43.9172,
          43.4216,
          42.9406,
          42.4746,
          42.0243,
          41.5903,
          41.1731,
          40.7732,
          40.3913,
          40.0279,
          39.6835,
          39.3585,
          39.0535,
          38.7688,
          38.5049,
          38.2622,
          38.0409,
          37.8414,
          37.6639,
          37.5085,
          37.3755,
          37.2649,
          37.1767,
          37.111,
          37.0677,
          37.0467,
          37.0478,
          37.0708,
          37.1154,
          37.1813,
          37.2682,
          37.3757,
          37.5034,
          37.6508
        ],
        "previous": [
          48.0815,
          47.527,
          46.98,
          46.441,
          45.9106,
          45.3894,
          44.878,
          44.3771,
          43.8873,
          43.4093,
          42.9438,
          42.4915,
          42.0532,
          41.6295,
          41.2213,
          40.8291,
          40.4538,
          40.096,
          39.7565,
          39.4359,
          39.1349,
          38.8542,
          38.5943,
          38.3558,
          38.1393,
          37.9452,
          37.7739,
          37.6258,
          37.5012,
          37.4003,
          37.3234,
          37.2705,
          37.2416,
          37.2368,
          37.256,
          37.2988,
          37.3653,
          37.4549,
          37.5674,
          37.7024,
          37.8593
        ],
        "change": [
          -0.338,
          -0.3645,
          -0.3879,
          -0.4082,
          -0.4256,
          -0.44,
          -0.4514,
          -0.4599,
          -0.4657,
          -0.4687,
          -0.4692,
          -0.4672,
          -0.4629,
          -0.4564,
          -0.4481,
          -0.4378,
          -0.4259,
          -0.4125,
          -0.398,
          -0.3824,
          -0.3661,
          -0.3493,
          -0.3321,
          -0.3149,
          -0.2979,
          -0.2813,
          -0.2654,
          -0.2503,
          -0.2363,
          -0.2236,
          -0.2124,
          -0.2028,
          -0.1949,
          -0.189,
          -0.1852,
          -0.1834,
          -0.184,
          -0.1867,
          -0.1917,
          -0.199,
          -0.2085
        ],
        "classification": [
          "parallel shift lower"
        ],
        "parallelShift": -0.349,
        "rotation": 0.257,
        "wingChange": 0.025,
        "rmsChange": 0.349
      }
    },
    {
      "label": "25DEC26",
      "expiry": 1798185600000,
      "tauYears": 0.58995624,
      "daysToExpiry": 215.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 77973.78,
        "previous": 76750.43,
        "change": 1223.35,
        "percentChange": 1.59
      },
      "atmIv": {
        "current": 41.76,
        "previous": 41.94,
        "change": -0.18,
        "percentChange": -0.43
      },
      "rr25": {
        "current": -4.88,
        "previous": -5.23,
        "change": 0.35,
        "percentChange": 6.69
      },
      "bf25": {
        "current": 2.48,
        "previous": 2.61,
        "change": -0.13,
        "percentChange": -4.98
      },
      "svi": {
        "a": {
          "current": -0.2415,
          "previous": -0.1739,
          "change": -0.0676,
          "percentChange": -38.87
        },
        "b": {
          "current": 0.2981,
          "previous": 0.2751,
          "change": 0.023,
          "percentChange": 8.35
        },
        "rho": {
          "current": -0.1686,
          "previous": -0.135,
          "change": -0.0336,
          "percentChange": -24.9
        },
        "m": {
          "current": 0.0693,
          "previous": 0.1328,
          "change": -0.0635,
          "percentChange": -47.84
        },
        "sigma": {
          "current": 1.1521,
          "previous": 0.9968,
          "change": 0.1553,
          "percentChange": 15.58
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          48.315,
          47.9464,
          47.5839,
          47.2279,
          46.8786,
          46.5363,
          46.2011,
          45.8733,
          45.5532,
          45.241,
          44.937,
          44.6413,
          44.3544,
          44.0763,
          43.8073,
          43.5477,
          43.2977,
          43.0575,
          42.8272,
          42.6072,
          42.3976,
          42.1985,
          42.0103,
          41.8329,
          41.6667,
          41.5116,
          41.3679,
          41.2357,
          41.115,
          41.0059,
          40.9086,
          40.8231,
          40.7493,
          40.6874,
          40.6373,
          40.599,
          40.5725,
          40.5578,
          40.5548,
          40.5634,
          40.5836
        ],
        "previous": [
          48.8023,
          48.4246,
          48.0525,
          47.6862,
          47.3261,
          46.9723,
          46.6253,
          46.2852,
          45.9524,
          45.6271,
          45.3096,
          45.0003,
          44.6994,
          44.4072,
          44.124,
          43.85,
          43.5856,
          43.3311,
          43.0866,
          42.8525,
          42.629,
          42.4164,
          42.2148,
          42.0246,
          41.8459,
          41.6788,
          41.5237,
          41.3805,
          41.2496,
          41.131,
          41.0248,
          40.9312,
          40.8501,
          40.7817,
          40.7259,
          40.6829,
          40.6525,
          40.6347,
          40.6296,
          40.637,
          40.6568
        ],
        "change": [
          -0.4873,
          -0.4782,
          -0.4686,
          -0.4583,
          -0.4475,
          -0.436,
          -0.4242,
          -0.4119,
          -0.3992,
          -0.3861,
          -0.3726,
          -0.359,
          -0.345,
          -0.3309,
          -0.3167,
          -0.3023,
          -0.2879,
          -0.2736,
          -0.2594,
          -0.2453,
          -0.2314,
          -0.2179,
          -0.2045,
          -0.1917,
          -0.1792,
          -0.1672,
          -0.1558,
          -0.1448,
          -0.1346,
          -0.1251,
          -0.1162,
          -0.1081,
          -0.1008,
          -0.0943,
          -0.0886,
          -0.0839,
          -0.08,
          -0.0769,
          -0.0748,
          -0.0736,
          -0.0732
        ],
        "classification": [
          "parallel shift lower"
        ],
        "parallelShift": -0.24,
        "rotation": 0.256,
        "wingChange": -0.013,
        "rmsChange": 0.285
      }
    },
    {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "tauYears": 0.83927139,
      "daysToExpiry": 306.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 78645.81,
        "previous": 77422.95,
        "change": 1222.86,
        "percentChange": 1.58
      },
      "atmIv": {
        "current": 43.17,
        "previous": 43.28,
        "change": -0.11,
        "percentChange": -0.25
      },
      "rr25": {
        "current": -4.64,
        "previous": -4.83,
        "change": 0.19,
        "percentChange": 3.93
      },
      "bf25": {
        "current": 2.44,
        "previous": 2.53,
        "change": -0.09,
        "percentChange": -3.56
      },
      "svi": {
        "a": {
          "current": -0.2318,
          "previous": -0.183,
          "change": -0.0488,
          "percentChange": -26.66
        },
        "b": {
          "current": 0.3121,
          "previous": 0.3018,
          "change": 0.0103,
          "percentChange": 3.41
        },
        "rho": {
          "current": -0.206,
          "previous": -0.052,
          "change": -0.1541,
          "percentChange": -296.53
        },
        "m": {
          "current": 0.0718,
          "previous": 0.2682,
          "change": -0.1963,
          "percentChange": -73.21
        },
        "sigma": {
          "current": 1.2453,
          "previous": 1.1031,
          "change": 0.1422,
          "percentChange": 12.89
        }
      },
      "smile": {
        "logMoneyness": [
          -0.3,
          -0.285,
          -0.27,
          -0.255,
          -0.24,
          -0.225,
          -0.21,
          -0.195,
          -0.18,
          -0.165,
          -0.15,
          -0.135,
          -0.12,
          -0.105,
          -0.09,
          -0.075,
          -0.06,
          -0.045,
          -0.03,
          -0.015,
          0.0,
          0.015,
          0.03,
          0.045,
          0.06,
          0.075,
          0.09,
          0.105,
          0.12,
          0.135,
          0.15,
          0.165,
          0.18,
          0.195,
          0.21,
          0.225,
          0.24,
          0.255,
          0.27,
          0.285,
          0.3
        ],
        "current": [
          48.5362,
          48.2557,
          47.9797,
          47.7085,
          47.4421,
          47.1807,
          46.9245,
          46.6735,
          46.4279,
          46.1879,
          45.9535,
          45.725,
          45.5024,
          45.2858,
          45.0755,
          44.8715,
          44.6739,
          44.4828,
          44.2985,
          44.1209,
          43.9501,
          43.7863,
          43.6296,
          43.4801,
          43.3377,
          43.2027,
          43.075,
          42.9548,
          42.8421,
          42.7369,
          42.6394,
          42.5494,
          42.4671,
          42.3925,
          42.3255,
          42.2663,
          42.2148,
          42.1709,
          42.1347,
          42.1062,
          42.0853
        ],
        "previous": [
          48.7814,
          48.5023,
          48.227,
          47.9557,
          47.6884,
          47.4254,
          47.1669,
          46.913,
          46.6638,
          46.4195,
          46.1803,
          45.9464,
          45.7179,
          45.495,
          45.2779,
          45.0667,
          44.8616,
          44.6628,
          44.4704,
          44.2846,
          44.1055,
          43.9333,
          43.7682,
          43.6103,
          43.4598,
          43.3167,
          43.1813,
          43.0535,
          42.9337,
          42.8218,
          42.718,
          42.6224,
          42.5351,
          42.4561,
          42.3855,
          42.3234,
          42.2698,
          42.2249,
          42.1885,
          42.1608,
          42.1417
        ],
        "change": [
          -0.2452,
          -0.2466,
          -0.2473,
          -0.2472,
          -0.2463,
          -0.2447,
          -0.2424,
          -0.2395,
          -0.2359,
          -0.2316,
          -0.2268,
          -0.2214,
          -0.2155,
          -0.2092,
          -0.2024,
          -0.1952,
          -0.1877,
          -0.18,
          -0.1719,
          -0.1637,
          -0.1554,
          -0.147,
          -0.1386,
          -0.1302,
          -0.1221,
          -0.114,
          -0.1063,
          -0.0987,
          -0.0916,
          -0.0849,
          -0.0786,
          -0.073,
          -0.068,
          -0.0636,
          -0.06,
          -0.0571,
          -0.055,
          -0.054,
          -0.0538,
          -0.0546,
          -0.0564
        ],
        "classification": [
          "parallel shift lower"
        ],
        "parallelShift": -0.154,
        "rotation": 0.148,
        "wingChange": 0.003,
        "rmsChange": 0.169
      }
    }
  ],
  "events": [
    {
      "type": "rotation",
      "title": "Largest eligible smile rotation",
      "label": "26MAY26",
      "value": 5.681,
      "score": 5.681,
      "unit": "volatility points"
    },
    {
      "type": "rr25",
      "title": "Largest standard-tenor RR25 move",
      "label": "1M",
      "value": 0.67,
      "score": 0.67,
      "unit": "volatility points"
    },
    {
      "type": "atmIv",
      "title": "Largest standard-tenor ATM IV move",
      "label": "1W",
      "value": 0.33,
      "score": 0.33,
      "unit": "volatility points"
    },
    {
      "type": "sigma",
      "title": "Largest eligible SVI sigma move",
      "label": "25SEP26",
      "value": 0.2213,
      "score": 0.2213,
      "unit": "parameter units"
    },
    {
      "type": "rho",
      "title": "Largest eligible SVI rho move",
      "label": "26MAY26",
      "value": 0.1643,
      "score": 0.1643,
      "unit": "parameter units"
    },
    {
      "type": "bf25",
      "title": "Largest standard-tenor BF25 move",
      "label": "1W",
      "value": 0.1,
      "score": 0.1,
      "unit": "volatility points"
    }
  ],
  "expiryEffects": [
    {
      "label": "24MAY26",
      "daysToExpiry": 0.334,
      "metric": "Smile rotation",
      "value": 8.799,
      "unit": "volatility points",
      "context": "Excluded from headline rankings because the contract has fewer than the configured full days to expiry."
    },
    {
      "label": "25MAY26",
      "daysToExpiry": 1.334,
      "metric": "Smile rotation",
      "value": 7.789,
      "unit": "volatility points",
      "context": "Excluded from headline rankings because the contract has fewer than the configured full days to expiry."
    }
  ],
  "ultraShortThresholdDays": 2.0,
  "greekCharacteristics": {
    "highestVega": {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "value": 281.86803323,
      "metric": "vega",
      "availability": "available"
    },
    "highestGamma": {
      "label": "24MAY26",
      "expiry": 1779609600000,
      "value": 0.000557853994,
      "metric": "gamma",
      "availability": "available"
    },
    "highestThetaDecay": {
      "label": "24MAY26",
      "expiry": 1779609600000,
      "value": -427.04507272,
      "metric": "theta",
      "availability": "available"
    },
    "highestVanna": {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "value": 0.00179201,
      "metric": "vanna",
      "availability": "available"
    },
    "highestVolga": {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "value": -25.53114545,
      "metric": "volga",
      "availability": "available"
    }
  },
  "heatmap": {
    "x": [
      -0.3,
      -0.285,
      -0.27,
      -0.255,
      -0.24,
      -0.225,
      -0.21,
      -0.195,
      -0.18,
      -0.165,
      -0.15,
      -0.135,
      -0.12,
      -0.105,
      -0.09,
      -0.075,
      -0.06,
      -0.045,
      -0.03,
      -0.015,
      0.0,
      0.015,
      0.03,
      0.045,
      0.06,
      0.075,
      0.09,
      0.105,
      0.12,
      0.135,
      0.15,
      0.165,
      0.18,
      0.195,
      0.21,
      0.225,
      0.24,
      0.255,
      0.27,
      0.285,
      0.3
    ],
    "rows": [
      {
        "label": "24MAY26",
        "values": [
          131.9138,
          126.1578,
          120.2305,
          114.1322,
          107.865,
          101.4322,
          94.8393,
          88.0939,
          81.2066,
          74.1906,
          67.063,
          59.8454,
          52.5654,
          45.2588,
          37.9746,
          30.7839,
          23.7999,
          17.2217,
          11.4351,
          7.2278,
          6.0342,
          9.2894,
          16.4091,
          25.1384,
          33.836,
          41.9579,
          49.5003,
          56.5796,
          63.2944,
          69.7084,
          75.8616,
          81.779,
          87.4774,
          92.9691,
          98.264,
          103.3702,
          108.2952,
          113.0461,
          117.6296,
          122.0522,
          126.3204
        ]
      },
      {
        "label": "25MAY26",
        "values": [
          29.7075,
          28.3506,
          26.9587,
          25.5328,
          24.0741,
          22.5843,
          21.0658,
          19.5216,
          17.9553,
          16.3721,
          14.7784,
          13.1829,
          11.5974,
          10.0381,
          8.5288,
          7.1035,
          5.8134,
          4.7346,
          3.9759,
          3.6787,
          3.9841,
          4.9588,
          6.5209,
          8.4636,
          10.5707,
          12.6998,
          14.7872,
          16.8144,
          18.7826,
          20.6982,
          22.5678,
          24.397,
          26.1896,
          27.9483,
          29.675,
          31.3713,
          33.0377,
          34.6752,
          36.2842,
          37.8652,
          39.4184
        ]
      },
      {
        "label": "26MAY26",
        "values": [
          23.1386,
          22.232,
          21.2865,
          20.3023,
          19.2804,
          18.2216,
          17.1278,
          16.0015,
          14.8458,
          13.6654,
          12.4659,
          11.2555,
          10.0447,
          8.8482,
          7.686,
          6.5862,
          5.5873,
          4.7427,
          4.1216,
          3.806,
          3.8757,
          4.3801,
          5.3084,
          6.5854,
          8.1,
          9.7466,
          11.4477,
          13.1565,
          14.8487,
          16.5134,
          18.1464,
          19.7468,
          21.315,
          22.8516,
          24.3574,
          25.8331,
          27.2793,
          28.6966,
          30.0853,
          31.4459,
          32.7788
        ]
      },
      {
        "label": "29MAY26",
        "values": [
          7.8594,
          7.5195,
          7.1703,
          6.8119,
          6.4446,
          6.0685,
          5.6842,
          5.2921,
          4.8931,
          4.4882,
          4.0787,
          3.6663,
          3.2537,
          2.8438,
          2.4413,
          2.0515,
          1.6821,
          1.3423,
          1.0436,
          0.7984,
          0.6203,
          0.5211,
          0.5087,
          0.5862,
          0.7495,
          0.9897,
          1.2938,
          1.6479,
          2.0384,
          2.4537,
          2.8847,
          3.3242,
          3.7667,
          4.2087,
          4.6473,
          5.0806,
          5.5074,
          5.9267,
          6.338,
          6.7407,
          7.1348
        ]
      },
      {
        "label": "5JUN26",
        "values": [
          0.1509,
          0.1513,
          0.1493,
          0.1451,
          0.1388,
          0.1304,
          0.1202,
          0.1084,
          0.0953,
          0.0813,
          0.0669,
          0.0526,
          0.0393,
          0.0276,
          0.0187,
          0.0136,
          0.0137,
          0.0204,
          0.0352,
          0.0597,
          0.0953,
          0.1432,
          0.2045,
          0.2795,
          0.3684,
          0.4704,
          0.5844,
          0.7089,
          0.8422,
          0.9823,
          1.1276,
          1.2765,
          1.4277,
          1.58,
          1.7329,
          1.8855,
          2.0375,
          2.1886,
          2.3388,
          2.4875,
          2.6351
        ]
      },
      {
        "label": "12JUN26",
        "values": [
          0.1818,
          0.1624,
          0.1394,
          0.1128,
          0.0828,
          0.0497,
          0.0138,
          -0.0245,
          -0.0645,
          -0.1055,
          -0.1468,
          -0.1869,
          -0.2249,
          -0.2589,
          -0.2874,
          -0.3081,
          -0.3188,
          -0.3168,
          -0.2993,
          -0.2637,
          -0.2071,
          -0.1268,
          -0.0208,
          0.1128,
          0.2747,
          0.465,
          0.6826,
          0.9261,
          1.193,
          1.4801,
          1.7844,
          2.1025,
          2.4313,
          2.768,
          3.1099,
          3.455,
          3.8015,
          4.1481,
          4.4934,
          4.8368,
          5.1775
        ]
      },
      {
        "label": "26JUN26",
        "values": [
          -0.2943,
          -0.3251,
          -0.3536,
          -0.3793,
          -0.4024,
          -0.4223,
          -0.4388,
          -0.4517,
          -0.4607,
          -0.4654,
          -0.4657,
          -0.4611,
          -0.4515,
          -0.4365,
          -0.4159,
          -0.3896,
          -0.3574,
          -0.3193,
          -0.2752,
          -0.2253,
          -0.1701,
          -0.1099,
          -0.0453,
          0.0229,
          0.094,
          0.1667,
          0.24,
          0.3127,
          0.3835,
          0.4514,
          0.5153,
          0.5741,
          0.627,
          0.6736,
          0.7131,
          0.7455,
          0.7705,
          0.7881,
          0.7985,
          0.8018,
          0.7982
        ]
      },
      {
        "label": "31JUL26",
        "values": [
          -0.3037,
          -0.2852,
          -0.2686,
          -0.2539,
          -0.2411,
          -0.2301,
          -0.221,
          -0.2136,
          -0.208,
          -0.204,
          -0.2015,
          -0.2003,
          -0.2004,
          -0.2014,
          -0.2034,
          -0.206,
          -0.209,
          -0.2122,
          -0.2154,
          -0.2182,
          -0.2206,
          -0.222,
          -0.2223,
          -0.2214,
          -0.2188,
          -0.2146,
          -0.2085,
          -0.2003,
          -0.19,
          -0.1776,
          -0.1631,
          -0.1465,
          -0.128,
          -0.1077,
          -0.0857,
          -0.0624,
          -0.038,
          -0.0126,
          0.0133,
          0.0395,
          0.0658
        ]
      },
      {
        "label": "25SEP26",
        "values": [
          -0.338,
          -0.3645,
          -0.3879,
          -0.4082,
          -0.4256,
          -0.44,
          -0.4514,
          -0.4599,
          -0.4657,
          -0.4687,
          -0.4692,
          -0.4672,
          -0.4629,
          -0.4564,
          -0.4481,
          -0.4378,
          -0.4259,
          -0.4125,
          -0.398,
          -0.3824,
          -0.3661,
          -0.3493,
          -0.3321,
          -0.3149,
          -0.2979,
          -0.2813,
          -0.2654,
          -0.2503,
          -0.2363,
          -0.2236,
          -0.2124,
          -0.2028,
          -0.1949,
          -0.189,
          -0.1852,
          -0.1834,
          -0.184,
          -0.1867,
          -0.1917,
          -0.199,
          -0.2085
        ]
      },
      {
        "label": "25DEC26",
        "values": [
          -0.4873,
          -0.4782,
          -0.4686,
          -0.4583,
          -0.4475,
          -0.436,
          -0.4242,
          -0.4119,
          -0.3992,
          -0.3861,
          -0.3726,
          -0.359,
          -0.345,
          -0.3309,
          -0.3167,
          -0.3023,
          -0.2879,
          -0.2736,
          -0.2594,
          -0.2453,
          -0.2314,
          -0.2179,
          -0.2045,
          -0.1917,
          -0.1792,
          -0.1672,
          -0.1558,
          -0.1448,
          -0.1346,
          -0.1251,
          -0.1162,
          -0.1081,
          -0.1008,
          -0.0943,
          -0.0886,
          -0.0839,
          -0.08,
          -0.0769,
          -0.0748,
          -0.0736,
          -0.0732
        ]
      },
      {
        "label": "26MAR27",
        "values": [
          -0.2452,
          -0.2466,
          -0.2473,
          -0.2472,
          -0.2463,
          -0.2447,
          -0.2424,
          -0.2395,
          -0.2359,
          -0.2316,
          -0.2268,
          -0.2214,
          -0.2155,
          -0.2092,
          -0.2024,
          -0.1952,
          -0.1877,
          -0.18,
          -0.1719,
          -0.1637,
          -0.1554,
          -0.147,
          -0.1386,
          -0.1302,
          -0.1221,
          -0.114,
          -0.1063,
          -0.0987,
          -0.0916,
          -0.0849,
          -0.0786,
          -0.073,
          -0.068,
          -0.0636,
          -0.06,
          -0.0571,
          -0.055,
          -0.054,
          -0.0538,
          -0.0546,
          -0.0564
        ]
      }
    ]
  }
}
