{
  "schemaVersion": 2,
  "reportDate": "2026-07-13",
  "generatedAt": "2026-07-25T18:42:40+00:00",
  "currentSnapshotAt": "2026-07-13T23:59:00+00:00",
  "previousSnapshotAt": "2026-07-12T23:59:00+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": 0.05298536,
    "previousObjective": 0.09501902,
    "currentLiveError": 112.53578144,
    "previousLiveError": 133.8197065
  },
  "coverage": {
    "currentListedExpiries": 11,
    "previousListedExpiries": 12,
    "comparedListedExpiries": 11,
    "addedExpiries": [],
    "removedExpiries": [
      "13JUL26"
    ],
    "fixedTenors": [
      "1W",
      "2W",
      "1M",
      "3M",
      "6M",
      "9M",
      "1Y"
    ]
  },
  "commentary": {
    "source": "deterministic",
    "model": null,
    "headline": "BTC daily surface: 2W ATM IV rises 0.83 volatility points",
    "executiveSummary": "Across the six headline tenors, ATM IV averaged +0.45 volatility points, RR25 -0.46 volatility points and BF25 +0.07 volatility points between the stored endpoints.",
    "takeaways": [
      {
        "id": "front-atm",
        "label": "Front end",
        "text": "Front-end ATM IV increased, averaging +0.65 volatility points across 1W, 2W and 1M."
      },
      {
        "id": "back-atm",
        "label": "Long end",
        "text": "Long-dated ATM IV increased, averaging +0.18 volatility points across 6M and 1Y."
      },
      {
        "id": "rr25",
        "label": "Skew",
        "text": "RR25 moved towards puts, averaging -0.46 volatility points across the six headline tenors."
      },
      {
        "id": "bf25",
        "label": "Convexity",
        "text": "BF25 was broadly unchanged, averaging +0.07 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 +0.83 volatility points at 2W.",
        "tenor": "2W",
        "value": 0.83
      }
    ],
    "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 +0.65 volatility points across 1W, 2W and 1M."
    },
    {
      "id": "back-atm",
      "label": "Long end",
      "text": "Long-dated ATM IV increased, averaging +0.18 volatility points across 6M and 1Y."
    },
    {
      "id": "rr25",
      "label": "Skew",
      "text": "RR25 moved towards puts, averaging -0.46 volatility points across the six headline tenors."
    },
    {
      "id": "bf25",
      "label": "Convexity",
      "text": "BF25 was broadly unchanged, averaging +0.07 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 +0.83 volatility points at 2W.",
      "tenor": "2W",
      "value": 0.83
    }
  ],
  "summaryMetrics": {
    "basis": "Average change across 1W, 2W, 1M, 3M, 6M and 1Y",
    "unit": "volatility points",
    "atmIvChange": 0.45,
    "rr25Change": -0.46,
    "bf25Change": 0.07
  },
  "tenors": [
    {
      "tenor": "1W",
      "targetExpiry": 1784591942084,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 34.86,
        "previous": 34.48,
        "change": 0.38,
        "percentChange": 1.1
      },
      "rr25": {
        "current": -5.07,
        "previous": -4.17,
        "change": -0.9,
        "percentChange": -21.58
      },
      "bf25": {
        "current": 1.73,
        "previous": 1.71,
        "change": 0.02,
        "percentChange": 1.17
      }
    },
    {
      "tenor": "2W",
      "targetExpiry": 1785196742084,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 35.13,
        "previous": 34.3,
        "change": 0.83,
        "percentChange": 2.42
      },
      "rr25": {
        "current": -5.11,
        "previous": -4.54,
        "change": -0.57,
        "percentChange": -12.56
      },
      "bf25": {
        "current": 1.71,
        "previous": 1.7,
        "change": 0.01,
        "percentChange": 0.59
      }
    },
    {
      "tenor": "1M",
      "targetExpiry": 1786579142084,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 35.66,
        "previous": 34.92,
        "change": 0.74,
        "percentChange": 2.12
      },
      "rr25": {
        "current": -6.5,
        "previous": -5.89,
        "change": -0.61,
        "percentChange": -10.36
      },
      "bf25": {
        "current": 2.1,
        "previous": 2.05,
        "change": 0.05,
        "percentChange": 2.44
      }
    },
    {
      "tenor": "3M",
      "targetExpiry": 1791849542084,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 38.24,
        "previous": 37.88,
        "change": 0.36,
        "percentChange": 0.95
      },
      "rr25": {
        "current": -6.58,
        "previous": -6.07,
        "change": -0.51,
        "percentChange": -8.4
      },
      "bf25": {
        "current": 2.66,
        "previous": 2.57,
        "change": 0.09,
        "percentChange": 3.5
      }
    },
    {
      "tenor": "6M",
      "targetExpiry": 1799711942084,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 41.0,
        "previous": 40.74,
        "change": 0.26,
        "percentChange": 0.64
      },
      "rr25": {
        "current": -6.07,
        "previous": -5.82,
        "change": -0.25,
        "percentChange": -4.3
      },
      "bf25": {
        "current": 2.81,
        "previous": 2.7,
        "change": 0.11,
        "percentChange": 4.07
      }
    },
    {
      "tenor": "9M",
      "targetExpiry": 1807574342084,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 42.21,
        "previous": 41.98,
        "change": 0.23,
        "percentChange": 0.55
      },
      "rr25": {
        "current": -5.64,
        "previous": -5.55,
        "change": -0.09,
        "percentChange": -1.62
      },
      "bf25": {
        "current": 2.72,
        "previous": 2.65,
        "change": 0.07,
        "percentChange": 2.64
      }
    },
    {
      "tenor": "1Y",
      "targetExpiry": 1815523142084,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 43.01,
        "previous": 42.9,
        "change": 0.11,
        "percentChange": 0.26
      },
      "rr25": {
        "current": -5.22,
        "previous": -5.3,
        "change": 0.08,
        "percentChange": 1.51
      },
      "bf25": {
        "current": 2.68,
        "previous": 2.56,
        "change": 0.12,
        "percentChange": 4.69
      }
    }
  ],
  "listedExpiries": [
    {
      "label": "14JUL26",
      "expiry": 1784016000000,
      "tauYears": 0.00091517,
      "daysToExpiry": 0.334,
      "expiryClassification": "ultra-short",
      "rankingEligible": false,
      "forward": {
        "current": 62247.85,
        "previous": 63782.3,
        "change": -1534.45,
        "percentChange": -2.41
      },
      "atmIv": {
        "current": 36.14,
        "previous": 34.24,
        "change": 1.9,
        "percentChange": 5.55
      },
      "rr25": {
        "current": -2.53,
        "previous": -2.25,
        "change": -0.28,
        "percentChange": -12.44
      },
      "bf25": {
        "current": 0.79,
        "previous": 1.37,
        "change": -0.58,
        "percentChange": -42.34
      },
      "svi": {
        "a": {
          "current": -0.0312,
          "previous": -0.0514,
          "change": 0.0203,
          "percentChange": 39.4
        },
        "b": {
          "current": 0.0548,
          "previous": 0.0947,
          "change": -0.0399,
          "percentChange": -42.16
        },
        "rho": {
          "current": -0.2036,
          "previous": -0.1341,
          "change": -0.0695,
          "percentChange": -51.84
        },
        "m": {
          "current": -0.1086,
          "previous": -0.0629,
          "change": -0.0457,
          "percentChange": -72.62
        },
        "sigma": {
          "current": 0.583,
          "previous": 0.5523,
          "change": 0.0307,
          "percentChange": 5.57
        }
      },
      "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": [
          224.0403,
          213.6919,
          203.3151,
          192.9162,
          182.5024,
          172.0818,
          161.6633,
          151.2578,
          140.8774,
          130.537,
          120.2549,
          110.0541,
          99.9645,
          90.0268,
          80.2981,
          70.862,
          61.8464,
          53.4527,
          46.0041,
          40.0057,
          36.1515,
          35.1131,
          37.084,
          41.5967,
          47.8985,
          55.3451,
          63.5011,
          72.0949,
          80.9582,
          89.9847,
          99.1048,
          108.2718,
          117.453,
          126.6253,
          135.7717,
          144.8796,
          153.9393,
          162.9436,
          171.8869,
          180.7648,
          189.5739
        ],
        "previous": [
          152.6597,
          145.9156,
          139.1476,
          132.3611,
          125.562,
          118.7576,
          111.9563,
          105.1681,
          98.4053,
          91.6827,
          85.019,
          78.4379,
          71.9704,
          65.6574,
          59.5542,
          53.7376,
          48.3142,
          43.4324,
          39.2925,
          36.1449,
          34.255,
          33.8218,
          34.8846,
          37.299,
          40.8081,
          45.1397,
          50.0631,
          55.4034,
          61.0348,
          66.8676,
          72.8381,
          78.9005,
          85.0211,
          91.175,
          97.3433,
          103.5115,
          109.6685,
          115.8055,
          121.9155,
          127.9929,
          134.0334
        ],
        "change": [
          71.3806,
          67.7763,
          64.1675,
          60.5551,
          56.9404,
          53.3242,
          49.707,
          46.0897,
          42.4721,
          38.8543,
          35.2359,
          31.6162,
          27.9941,
          24.3694,
          20.7439,
          17.1244,
          13.5322,
          10.0203,
          6.7116,
          3.8608,
          1.8965,
          1.2913,
          2.1994,
          4.2977,
          7.0904,
          10.2054,
          13.438,
          16.6915,
          19.9234,
          23.1171,
          26.2667,
          29.3713,
          32.4319,
          35.4503,
          38.4284,
          41.3681,
          44.2708,
          47.1381,
          49.9714,
          52.7719,
          55.5405
        ],
        "classification": [
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 21.133,
        "rotation": -8.969,
        "wingChange": 28.855,
        "rmsChange": 37.392
      }
    },
    {
      "label": "15JUL26",
      "expiry": 1784102400000,
      "tauYears": 0.0036549,
      "daysToExpiry": 1.334,
      "expiryClassification": "ultra-short",
      "rankingEligible": false,
      "forward": {
        "current": 62255.23,
        "previous": 63787.27,
        "change": -1532.04,
        "percentChange": -2.4
      },
      "atmIv": {
        "current": 37.18,
        "previous": 34.59,
        "change": 2.59,
        "percentChange": 7.49
      },
      "rr25": {
        "current": -3.13,
        "previous": -2.73,
        "change": -0.4,
        "percentChange": -14.65
      },
      "bf25": {
        "current": 1.33,
        "previous": 1.69,
        "change": -0.36,
        "percentChange": -21.3
      },
      "svi": {
        "a": {
          "current": -0.0401,
          "previous": -0.0504,
          "change": 0.0103,
          "percentChange": 20.46
        },
        "b": {
          "current": 0.0773,
          "previous": 0.1022,
          "change": -0.0249,
          "percentChange": -24.37
        },
        "rho": {
          "current": -0.0764,
          "previous": -0.0881,
          "change": 0.0117,
          "percentChange": 13.27
        },
        "m": {
          "current": -0.0215,
          "previous": -0.0287,
          "change": 0.0072,
          "percentChange": 25.16
        },
        "sigma": {
          "current": 0.526,
          "previous": 0.502,
          "change": 0.024,
          "percentChange": 4.78
        }
      },
      "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": [
          144.1411,
          138.1332,
          132.0969,
          126.037,
          119.9589,
          113.8694,
          107.7764,
          101.6895,
          95.6204,
          89.5835,
          83.5967,
          77.6824,
          71.8696,
          66.1954,
          60.7093,
          55.4763,
          50.5839,
          46.1477,
          42.3166,
          39.2713,
          37.2054,
          36.2837,
          36.587,
          38.0777,
          40.6149,
          44.0063,
          48.0588,
          52.6066,
          57.519,
          62.6969,
          68.0666,
          73.5729,
          79.1749,
          84.8413,
          90.5483,
          96.2774,
          102.014,
          107.7468,
          113.4665,
          119.1658,
          124.8387
        ],
        "previous": [
          127.5178,
          122.205,
          116.8674,
          111.5095,
          106.137,
          100.7565,
          95.3758,
          90.0048,
          84.655,
          79.3409,
          74.0802,
          68.8956,
          63.8154,
          58.8766,
          54.1271,
          49.6296,
          45.4666,
          41.7439,
          38.5931,
          36.1656,
          34.6127,
          34.0503,
          34.5203,
          35.9734,
          38.2871,
          41.3055,
          44.8741,
          48.8595,
          53.1552,
          57.6789,
          62.3684,
          67.1765,
          72.0676,
          77.0143,
          81.9956,
          86.995,
          91.9996,
          96.9992,
          101.9855,
          106.9519,
          111.8932
        ],
        "change": [
          16.6233,
          15.9282,
          15.2295,
          14.5275,
          13.8219,
          13.1129,
          12.4006,
          11.6847,
          10.9654,
          10.2426,
          9.5165,
          8.7868,
          8.0542,
          7.3188,
          6.5822,
          5.8467,
          5.1173,
          4.4038,
          3.7235,
          3.1057,
          2.5927,
          2.2334,
          2.0667,
          2.1043,
          2.3278,
          2.7008,
          3.1847,
          3.7471,
          4.3638,
          5.018,
          5.6982,
          6.3964,
          7.1073,
          7.827,
          8.5527,
          9.2824,
          10.0144,
          10.7476,
          11.481,
          12.2139,
          12.9455
        ],
        "classification": [
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 5.936,
        "rotation": -3.818,
        "wingChange": 5.015,
        "rmsChange": 9.099
      }
    },
    {
      "label": "16JUL26",
      "expiry": 1784188800000,
      "tauYears": 0.00639463,
      "daysToExpiry": 2.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 62257.16,
        "previous": 63792.24,
        "change": -1535.08,
        "percentChange": -2.41
      },
      "atmIv": {
        "current": 35.95,
        "previous": 35.27,
        "change": 0.68,
        "percentChange": 1.93
      },
      "rr25": {
        "current": -3.84,
        "previous": -3.7,
        "change": -0.14,
        "percentChange": -3.78
      },
      "bf25": {
        "current": 1.48,
        "previous": 1.76,
        "change": -0.28,
        "percentChange": -15.91
      },
      "svi": {
        "a": {
          "current": -0.0369,
          "previous": -0.0531,
          "change": 0.0162,
          "percentChange": 30.48
        },
        "b": {
          "current": 0.0788,
          "previous": 0.1049,
          "change": -0.0262,
          "percentChange": -24.93
        },
        "rho": {
          "current": -0.0568,
          "previous": -0.0603,
          "change": 0.0035,
          "percentChange": 5.84
        },
        "m": {
          "current": -0.0001,
          "previous": -0.0058,
          "change": 0.0057,
          "percentChange": 98.3
        },
        "sigma": {
          "current": 0.4792,
          "previous": 0.5172,
          "change": -0.0381,
          "percentChange": -7.36
        }
      },
      "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": [
          118.3243,
          113.725,
          109.1003,
          104.4539,
          99.7905,
          95.1159,
          90.4369,
          85.7617,
          81.1003,
          76.4652,
          71.8712,
          67.3371,
          62.8862,
          58.5478,
          54.3593,
          50.3678,
          46.6333,
          43.2308,
          40.2519,
          37.8022,
          35.9936,
          34.9269,
          34.6695,
          35.2355,
          36.581,
          38.6171,
          41.2329,
          44.3159,
          47.7655,
          51.4972,
          55.4431,
          59.5497,
          63.7751,
          68.0867,
          72.4588,
          76.8712,
          81.3078,
          85.7559,
          90.2052,
          94.6473,
          99.0754
        ],
        "previous": [
          110.7158,
          106.3902,
          102.0481,
          97.6936,
          93.3317,
          88.9683,
          84.6104,
          80.2663,
          75.9463,
          71.6626,
          67.4302,
          63.2677,
          59.198,
          55.2496,
          51.4584,
          47.8691,
          44.5375,
          41.5315,
          38.9318,
          36.8279,
          35.3106,
          34.4577,
          34.3171,
          34.8941,
          36.1493,
          38.0094,
          40.3837,
          43.1794,
          46.3119,
          49.7086,
          53.3103,
          57.0691,
          60.9472,
          64.9144,
          68.9468,
          73.0255,
          77.1352,
          81.2636,
          85.4006,
          89.5382,
          93.6697
        ],
        "change": [
          7.6085,
          7.3348,
          7.0522,
          6.7603,
          6.4588,
          6.1476,
          5.8265,
          5.4954,
          5.154,
          4.8026,
          4.441,
          4.0694,
          3.6882,
          3.2982,
          2.9009,
          2.4987,
          2.0958,
          1.6993,
          1.3201,
          0.9743,
          0.683,
          0.4692,
          0.3524,
          0.3414,
          0.4317,
          0.6077,
          0.8492,
          1.1365,
          1.4536,
          1.7886,
          2.1328,
          2.4806,
          2.8279,
          3.1723,
          3.512,
          3.8457,
          4.1726,
          4.4923,
          4.8046,
          5.1091,
          5.4057
        ],
        "classification": [
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 2.419,
        "rotation": -2.308,
        "wingChange": 2.604,
        "rmsChange": 4.032
      }
    },
    {
      "label": "17JUL26",
      "expiry": 1784275200000,
      "tauYears": 0.00913435,
      "daysToExpiry": 3.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 62261.82,
        "previous": 63797.21,
        "change": -1535.39,
        "percentChange": -2.41
      },
      "atmIv": {
        "current": 35.8,
        "previous": 34.86,
        "change": 0.94,
        "percentChange": 2.7
      },
      "rr25": {
        "current": -3.39,
        "previous": -3.58,
        "change": 0.19,
        "percentChange": 5.31
      },
      "bf25": {
        "current": 1.71,
        "previous": 1.72,
        "change": -0.01,
        "percentChange": -0.58
      },
      "svi": {
        "a": {
          "current": -0.0373,
          "previous": -0.0534,
          "change": 0.0161,
          "percentChange": 30.23
        },
        "b": {
          "current": 0.087,
          "previous": 0.1052,
          "change": -0.0182,
          "percentChange": -17.27
        },
        "rho": {
          "current": 0.0434,
          "previous": -0.0576,
          "change": 0.101,
          "percentChange": 175.29
        },
        "m": {
          "current": 0.0433,
          "previous": -0.0018,
          "change": 0.0452,
          "percentChange": 2446.12
        },
        "sigma": {
          "current": 0.4413,
          "previous": 0.5214,
          "change": -0.0801,
          "percentChange": -15.37
        }
      },
      "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": [
          105.2087,
          101.3186,
          97.4019,
          93.4619,
          89.5028,
          85.5296,
          81.5487,
          77.5677,
          73.5962,
          69.6459,
          65.7314,
          61.871,
          58.0872,
          54.4086,
          50.8707,
          47.518,
          44.4056,
          41.6003,
          39.1803,
          37.232,
          35.8423,
          35.0854,
          35.008,
          35.6178,
          36.8817,
          38.7343,
          41.0929,
          43.871,
          46.988,
          50.3739,
          53.9701,
          57.7288,
          61.6114,
          65.587,
          69.6307,
          73.7222,
          77.8454,
          81.987,
          86.1362,
          90.284,
          94.4232
        ],
        "previous": [
          98.8312,
          95.1004,
          91.3592,
          87.6118,
          83.8627,
          80.1178,
          76.3838,
          72.6685,
          68.9816,
          65.3346,
          61.7412,
          58.2183,
          54.7861,
          51.4697,
          48.2994,
          45.3119,
          42.5514,
          40.0698,
          37.9261,
          36.1835,
          34.9039,
          34.14,
          33.9258,
          34.2693,
          35.1507,
          36.5265,
          38.338,
          40.5208,
          43.0116,
          45.7532,
          48.696,
          51.7984,
          55.0261,
          58.3511,
          61.7505,
          65.2058,
          68.7019,
          72.2263,
          75.7688,
          79.3212,
          82.8764
        ],
        "change": [
          6.3775,
          6.2182,
          6.0427,
          5.8501,
          5.6401,
          5.4118,
          5.1649,
          4.8992,
          4.6146,
          4.3113,
          3.9902,
          3.6527,
          3.3011,
          2.9389,
          2.5713,
          2.2061,
          1.8542,
          1.5305,
          1.2542,
          1.0485,
          0.9384,
          0.9454,
          1.0822,
          1.3485,
          1.731,
          2.2078,
          2.7549,
          3.3502,
          3.9764,
          4.6207,
          5.2741,
          5.9304,
          6.5853,
          7.2359,
          7.8802,
          8.5164,
          9.1435,
          9.7607,
          10.3674,
          10.9628,
          11.5468
        ],
        "classification": [
          "rotation towards calls",
          "wing steepening"
        ],
        "parallelShift": 3.401,
        "rotation": 1.284,
        "wingChange": 3.694,
        "rmsChange": 5.571
      }
    },
    {
      "label": "24JUL26",
      "expiry": 1784880000000,
      "tauYears": 0.02831243,
      "daysToExpiry": 10.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 62304.5,
        "previous": 63832.01,
        "change": -1527.51,
        "percentChange": -2.39
      },
      "atmIv": {
        "current": 34.58,
        "previous": 34.24,
        "change": 0.34,
        "percentChange": 0.99
      },
      "rr25": {
        "current": -5.58,
        "previous": -4.54,
        "change": -1.04,
        "percentChange": -22.91
      },
      "bf25": {
        "current": 1.72,
        "previous": 1.7,
        "change": 0.02,
        "percentChange": 1.18
      },
      "svi": {
        "a": {
          "current": -0.0381,
          "previous": -0.0653,
          "change": 0.0272,
          "percentChange": 41.62
        },
        "b": {
          "current": 0.0921,
          "previous": 0.119,
          "change": -0.0269,
          "percentChange": -22.58
        },
        "rho": {
          "current": 0.0959,
          "previous": 0.065,
          "change": 0.031,
          "percentChange": 47.65
        },
        "m": {
          "current": 0.1136,
          "previous": 0.0962,
          "change": 0.0174,
          "percentChange": 18.11
        },
        "sigma": {
          "current": 0.4474,
          "previous": 0.5776,
          "change": -0.1302,
          "percentChange": -22.55
        }
      },
      "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": [
          71.2305,
          69.2284,
          67.2173,
          65.1991,
          63.1759,
          61.1504,
          59.1257,
          57.1055,
          55.0939,
          53.0963,
          51.1184,
          49.1674,
          47.2516,
          45.3804,
          43.5652,
          41.8187,
          40.1557,
          38.5929,
          37.149,
          35.8442,
          34.7,
          33.7383,
          32.9801,
          32.4445,
          32.1466,
          32.0963,
          32.2973,
          32.7469,
          33.4358,
          34.3496,
          35.4704,
          36.7777,
          38.2503,
          39.8675,
          41.6092,
          43.4571,
          45.3945,
          47.4066,
          49.4803,
          51.604,
          53.7678
        ],
        "previous": [
          69.5255,
          67.4555,
          65.3863,
          63.3204,
          61.261,
          59.2112,
          57.1752,
          55.1573,
          53.1627,
          51.1975,
          49.2686,
          47.3837,
          45.552,
          43.7837,
          42.0905,
          40.4855,
          38.9833,
          37.5998,
          36.3521,
          35.258,
          34.3351,
          33.6007,
          33.0697,
          32.7542,
          32.6622,
          32.7969,
          33.1565,
          33.7341,
          34.5188,
          35.4964,
          36.6505,
          37.964,
          39.4192,
          40.9995,
          42.6888,
          44.4725,
          46.3374,
          48.2715,
          50.2644,
          52.3066,
          54.39
        ],
        "change": [
          1.705,
          1.7729,
          1.831,
          1.8787,
          1.9149,
          1.9392,
          1.9505,
          1.9482,
          1.9312,
          1.8988,
          1.8498,
          1.7837,
          1.6996,
          1.5967,
          1.4747,
          1.3332,
          1.1724,
          0.9931,
          0.7969,
          0.5862,
          0.3649,
          0.1376,
          -0.0896,
          -0.3097,
          -0.5156,
          -0.7006,
          -0.8592,
          -0.9872,
          -1.083,
          -1.1468,
          -1.1801,
          -1.1863,
          -1.1689,
          -1.132,
          -1.0796,
          -1.0154,
          -0.9429,
          -0.8649,
          -0.7841,
          -0.7026,
          -0.6222
        ],
        "classification": [
          "rotation towards puts"
        ],
        "parallelShift": 0.345,
        "rotation": -3.03,
        "wingChange": -0.03,
        "rmsChange": 1.312
      }
    },
    {
      "label": "31JUL26",
      "expiry": 1785484800000,
      "tauYears": 0.04749051,
      "daysToExpiry": 17.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 62343.79,
        "previous": 63857.0,
        "change": -1513.21,
        "percentChange": -2.37
      },
      "atmIv": {
        "current": 35.42,
        "previous": 34.36,
        "change": 1.06,
        "percentChange": 3.08
      },
      "rr25": {
        "current": -4.86,
        "previous": -4.55,
        "change": -0.31,
        "percentChange": -6.81
      },
      "bf25": {
        "current": 1.7,
        "previous": 1.71,
        "change": -0.01,
        "percentChange": -0.58
      },
      "svi": {
        "a": {
          "current": -0.0424,
          "previous": -0.0711,
          "change": 0.0287,
          "percentChange": 40.32
        },
        "b": {
          "current": 0.1076,
          "previous": 0.1297,
          "change": -0.0221,
          "percentChange": -17.07
        },
        "rho": {
          "current": 0.226,
          "previous": 0.1374,
          "change": 0.0885,
          "percentChange": 64.43
        },
        "m": {
          "current": 0.1839,
          "previous": 0.1573,
          "change": 0.0266,
          "percentChange": 16.92
        },
        "sigma": {
          "current": 0.456,
          "previous": 0.5953,
          "change": -0.1392,
          "percentChange": -23.39
        }
      },
      "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": [
          60.4378,
          59.0257,
          57.6119,
          56.198,
          54.7857,
          53.3772,
          51.975,
          50.5818,
          49.2008,
          47.8358,
          46.491,
          45.1711,
          43.8816,
          42.6288,
          41.4194,
          40.2611,
          39.1626,
          38.133,
          37.1822,
          36.3209,
          35.5599,
          34.9102,
          34.3825,
          33.9867,
          33.7316,
          33.6242,
          33.6696,
          33.8703,
          34.2264,
          34.7355,
          35.3927,
          36.1913,
          37.1232,
          38.1789,
          39.3483,
          40.621,
          41.9868,
          43.4354,
          44.9574,
          46.5435,
          48.1854
        ],
        "previous": [
          60.0828,
          58.563,
          57.0471,
          55.5369,
          54.0347,
          52.5429,
          51.0646,
          49.6029,
          48.1614,
          46.7443,
          45.3561,
          44.002,
          42.6876,
          41.4193,
          40.2041,
          39.0496,
          37.964,
          36.9561,
          36.035,
          35.2104,
          34.4916,
          33.8879,
          33.408,
          33.0594,
          32.8484,
          32.7795,
          32.8552,
          33.0757,
          33.4395,
          33.9425,
          34.5794,
          35.3431,
          36.2255,
          37.2181,
          38.3117,
          39.4973,
          40.7659,
          42.109,
          43.5184,
          44.9867,
          46.5067
        ],
        "change": [
          0.355,
          0.4627,
          0.5648,
          0.6611,
          0.751,
          0.8343,
          0.9104,
          0.9789,
          1.0394,
          1.0915,
          1.1349,
          1.1691,
          1.194,
          1.2095,
          1.2153,
          1.2115,
          1.1986,
          1.1769,
          1.1472,
          1.1105,
          1.0683,
          1.0223,
          0.9745,
          0.9273,
          0.8832,
          0.8447,
          0.8144,
          0.7946,
          0.7869,
          0.793,
          0.8133,
          0.8482,
          0.8977,
          0.9608,
          1.0366,
          1.1237,
          1.2209,
          1.3264,
          1.439,
          1.5568,
          1.6787
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 1.006,
        "rotation": -0.322,
        "wingChange": -0.094,
        "rmsChange": 1.04
      }
    },
    {
      "label": "28AUG26",
      "expiry": 1787904000000,
      "tauYears": 0.12420284,
      "daysToExpiry": 45.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 62540.5,
        "previous": 64056.26,
        "change": -1515.76,
        "percentChange": -2.37
      },
      "atmIv": {
        "current": 35.77,
        "previous": 35.22,
        "change": 0.55,
        "percentChange": 1.56
      },
      "rr25": {
        "current": -7.25,
        "previous": -6.61,
        "change": -0.64,
        "percentChange": -9.68
      },
      "bf25": {
        "current": 2.27,
        "previous": 2.23,
        "change": 0.04,
        "percentChange": 1.79
      },
      "svi": {
        "a": {
          "current": -0.0384,
          "previous": -0.0444,
          "change": 0.006,
          "percentChange": 13.5
        },
        "b": {
          "current": 0.1343,
          "previous": 0.1343,
          "change": 0.0001,
          "percentChange": 0.05
        },
        "rho": {
          "current": 0.1714,
          "previous": 0.1198,
          "change": 0.0516,
          "percentChange": 43.04
        },
        "m": {
          "current": 0.2056,
          "previous": 0.1844,
          "change": 0.0212,
          "percentChange": 11.49
        },
        "sigma": {
          "current": 0.3907,
          "previous": 0.4344,
          "change": -0.0437,
          "percentChange": -10.06
        }
      },
      "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": [
          53.6974,
          52.7596,
          51.8194,
          50.8775,
          49.9347,
          48.9919,
          48.0504,
          47.1113,
          46.176,
          45.2462,
          44.3238,
          43.4108,
          42.5096,
          41.6228,
          40.7533,
          39.9046,
          39.0801,
          38.2838,
          37.5202,
          36.794,
          36.1101,
          35.4739,
          34.8909,
          34.3669,
          33.9075,
          33.5183,
          33.2046,
          32.9713,
          32.8227,
          32.762,
          32.7918,
          32.9136,
          33.1274,
          33.4326,
          33.827,
          34.3078,
          34.8709,
          35.5119,
          36.2255,
          37.0062,
          37.8483
        ],
        "previous": [
          52.6569,
          51.7154,
          50.7734,
          49.8316,
          48.8912,
          47.9533,
          47.0192,
          46.0902,
          45.168,
          44.2545,
          43.3516,
          42.4616,
          41.587,
          40.7306,
          39.8954,
          39.0847,
          38.3021,
          37.5515,
          36.8371,
          36.1632,
          35.5344,
          34.9554,
          34.431,
          33.9661,
          33.5653,
          33.2328,
          32.9729,
          32.7889,
          32.6837,
          32.6595,
          32.7174,
          32.8579,
          33.0804,
          33.3835,
          33.765,
          34.222,
          34.7508,
          35.3473,
          36.0072,
          36.7256,
          37.4979
        ],
        "change": [
          1.0405,
          1.0442,
          1.046,
          1.0459,
          1.0435,
          1.0386,
          1.0312,
          1.0211,
          1.008,
          0.9917,
          0.9722,
          0.9492,
          0.9226,
          0.8922,
          0.8579,
          0.8199,
          0.778,
          0.7323,
          0.6831,
          0.6308,
          0.5757,
          0.5185,
          0.4599,
          0.4008,
          0.3422,
          0.2855,
          0.2317,
          0.1824,
          0.139,
          0.1025,
          0.0744,
          0.0557,
          0.047,
          0.0491,
          0.062,
          0.0858,
          0.1201,
          0.1646,
          0.2183,
          0.2806,
          0.3504
        ],
        "classification": [
          "rotation towards puts"
        ],
        "parallelShift": 0.541,
        "rotation": -0.898,
        "wingChange": -0.052,
        "rmsChange": 0.683
      }
    },
    {
      "label": "25SEP26",
      "expiry": 1790323200000,
      "tauYears": 0.20091517,
      "daysToExpiry": 73.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 62748.6,
        "previous": 64249.21,
        "change": -1500.61,
        "percentChange": -2.34
      },
      "atmIv": {
        "current": 36.89,
        "previous": 36.56,
        "change": 0.33,
        "percentChange": 0.9
      },
      "rr25": {
        "current": -6.81,
        "previous": -6.17,
        "change": -0.64,
        "percentChange": -10.37
      },
      "bf25": {
        "current": 2.55,
        "previous": 2.51,
        "change": 0.04,
        "percentChange": 1.59
      },
      "svi": {
        "a": {
          "current": -0.1041,
          "previous": -0.107,
          "change": 0.0028,
          "percentChange": 2.66
        },
        "b": {
          "current": 0.1933,
          "previous": 0.1927,
          "change": 0.0005,
          "percentChange": 0.28
        },
        "rho": {
          "current": -0.0476,
          "previous": -0.1254,
          "change": 0.0778,
          "percentChange": 62.07
        },
        "m": {
          "current": 0.1361,
          "previous": 0.0705,
          "change": 0.0656,
          "percentChange": 93.09
        },
        "sigma": {
          "current": 0.6632,
          "previous": 0.6869,
          "change": -0.0237,
          "percentChange": -3.44
        }
      },
      "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": [
          51.4975,
          50.6638,
          49.8358,
          49.0145,
          48.2009,
          47.3959,
          46.6007,
          45.8166,
          45.0448,
          44.2866,
          43.5435,
          42.817,
          42.1087,
          41.4203,
          40.7534,
          40.11,
          39.4919,
          38.901,
          38.3391,
          37.8083,
          37.3105,
          36.8476,
          36.4215,
          36.034,
          35.6867,
          35.3812,
          35.119,
          34.9013,
          34.7291,
          34.6031,
          34.5239,
          34.4919,
          34.507,
          34.5691,
          34.6775,
          34.8316,
          35.0305,
          35.2728,
          35.5572,
          35.8823,
          36.2462
        ],
        "previous": [
          50.7117,
          49.8755,
          49.0471,
          48.2276,
          47.4181,
          46.6197,
          45.8336,
          45.0611,
          44.3034,
          43.5622,
          42.8387,
          42.1345,
          41.4513,
          40.7906,
          40.1542,
          39.5437,
          38.9609,
          38.4075,
          37.8853,
          37.396,
          36.9411,
          36.5225,
          36.1414,
          35.7994,
          35.4976,
          35.2373,
          35.0193,
          34.8444,
          34.7131,
          34.6257,
          34.5824,
          34.583,
          34.6271,
          34.7142,
          34.8434,
          35.0139,
          35.2244,
          35.4737,
          35.7603,
          36.0826,
          36.4392
        ],
        "change": [
          0.7858,
          0.7883,
          0.7887,
          0.7869,
          0.7828,
          0.7762,
          0.7671,
          0.7555,
          0.7414,
          0.7244,
          0.7048,
          0.6825,
          0.6574,
          0.6297,
          0.5992,
          0.5663,
          0.531,
          0.4935,
          0.4538,
          0.4123,
          0.3694,
          0.3251,
          0.2801,
          0.2346,
          0.1891,
          0.1439,
          0.0997,
          0.0569,
          0.016,
          -0.0226,
          -0.0585,
          -0.0911,
          -0.1201,
          -0.1451,
          -0.1659,
          -0.1823,
          -0.1939,
          -0.2009,
          -0.2031,
          -0.2003,
          -0.193
        ],
        "classification": [
          "rotation towards puts"
        ],
        "parallelShift": 0.339,
        "rotation": -0.763,
        "wingChange": -0.046,
        "rmsChange": 0.495
      }
    },
    {
      "label": "25DEC26",
      "expiry": 1798185600000,
      "tauYears": 0.45023028,
      "daysToExpiry": 164.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63342.32,
        "previous": 64860.0,
        "change": -1517.68,
        "percentChange": -2.34
      },
      "atmIv": {
        "current": 40.63,
        "previous": 40.39,
        "change": 0.24,
        "percentChange": 0.59
      },
      "rr25": {
        "current": -6.2,
        "previous": -5.89,
        "change": -0.31,
        "percentChange": -5.26
      },
      "bf25": {
        "current": 2.82,
        "previous": 2.69,
        "change": 0.13,
        "percentChange": 4.83
      },
      "svi": {
        "a": {
          "current": -0.1914,
          "previous": -0.2199,
          "change": 0.0286,
          "percentChange": 12.99
        },
        "b": {
          "current": 0.2893,
          "previous": 0.3187,
          "change": -0.0294,
          "percentChange": -9.23
        },
        "rho": {
          "current": -0.3437,
          "previous": -0.4449,
          "change": 0.1013,
          "percentChange": 22.76
        },
        "m": {
          "current": -0.0952,
          "previous": -0.244,
          "change": 0.1488,
          "percentChange": 60.97
        },
        "sigma": {
          "current": 0.9548,
          "previous": 1.0085,
          "change": -0.0538,
          "percentChange": -5.33
        }
      },
      "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": [
          49.7591,
          49.2274,
          48.7046,
          48.1912,
          47.6874,
          47.1937,
          46.7106,
          46.2385,
          45.7777,
          45.3288,
          44.8922,
          44.4682,
          44.0572,
          43.6597,
          43.2761,
          42.9066,
          42.5518,
          42.2118,
          41.8872,
          41.578,
          41.2847,
          41.0075,
          40.7466,
          40.5023,
          40.2746,
          40.0639,
          39.8702,
          39.6936,
          39.5341,
          39.3919,
          39.2668,
          39.1589,
          39.0682,
          38.9944,
          38.9375,
          38.8974,
          38.8739,
          38.8667,
          38.8756,
          38.9003,
          38.9407
        ],
        "previous": [
          49.2619,
          48.7309,
          48.2104,
          47.7006,
          47.2019,
          46.7147,
          46.2394,
          45.7762,
          45.3255,
          44.8877,
          44.4631,
          44.0519,
          43.6546,
          43.2714,
          42.9025,
          42.5482,
          42.2088,
          41.8845,
          41.5755,
          41.282,
          41.0041,
          40.7421,
          40.4959,
          40.2658,
          40.0518,
          39.8538,
          39.6721,
          39.5065,
          39.3571,
          39.2237,
          39.1064,
          39.0049,
          38.9193,
          38.8493,
          38.7947,
          38.7555,
          38.7313,
          38.7219,
          38.7272,
          38.7468,
          38.7804
        ],
        "change": [
          0.4972,
          0.4965,
          0.4942,
          0.4906,
          0.4855,
          0.479,
          0.4712,
          0.4623,
          0.4522,
          0.4411,
          0.4291,
          0.4163,
          0.4026,
          0.3883,
          0.3736,
          0.3584,
          0.343,
          0.3273,
          0.3117,
          0.296,
          0.2806,
          0.2654,
          0.2507,
          0.2365,
          0.2228,
          0.2101,
          0.1981,
          0.1871,
          0.177,
          0.1682,
          0.1604,
          0.154,
          0.1489,
          0.1451,
          0.1428,
          0.1419,
          0.1426,
          0.1448,
          0.1484,
          0.1535,
          0.1603
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 0.29,
        "rotation": -0.269,
        "wingChange": 0.014,
        "rmsChange": 0.326
      }
    },
    {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "tauYears": 0.69954531,
      "daysToExpiry": 255.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63996.2,
        "previous": 65520.7,
        "change": -1524.5,
        "percentChange": -2.33
      },
      "atmIv": {
        "current": 41.99,
        "previous": 41.74,
        "change": 0.25,
        "percentChange": 0.6
      },
      "rr25": {
        "current": -5.75,
        "previous": -5.62,
        "change": -0.13,
        "percentChange": -2.31
      },
      "bf25": {
        "current": 2.73,
        "previous": 2.68,
        "change": 0.05,
        "percentChange": 1.87
      },
      "svi": {
        "a": {
          "current": -0.231,
          "previous": -0.2115,
          "change": -0.0195,
          "percentChange": -9.22
        },
        "b": {
          "current": 0.349,
          "previous": 0.3449,
          "change": 0.0041,
          "percentChange": 1.19
        },
        "rho": {
          "current": -0.4557,
          "previous": -0.487,
          "change": 0.0313,
          "percentChange": 6.43
        },
        "m": {
          "current": -0.2357,
          "previous": -0.2689,
          "change": 0.0331,
          "percentChange": 12.33
        },
        "sigma": {
          "current": 1.1119,
          "previous": 1.0795,
          "change": 0.0324,
          "percentChange": 3.0
        }
      },
      "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": [
          48.9871,
          48.5986,
          48.2173,
          47.8436,
          47.4776,
          47.1194,
          46.7693,
          46.4274,
          46.0939,
          45.769,
          45.4527,
          45.1454,
          44.847,
          44.5578,
          44.2779,
          44.0073,
          43.7463,
          43.4949,
          43.2532,
          43.0213,
          42.7993,
          42.5872,
          42.3851,
          42.1931,
          42.0111,
          41.8392,
          41.6775,
          41.5258,
          41.3843,
          41.2528,
          41.1314,
          41.02,
          40.9186,
          40.8271,
          40.7454,
          40.6735,
          40.6112,
          40.5586,
          40.5154,
          40.4815,
          40.4569
        ],
        "previous": [
          48.6421,
          48.2553,
          47.876,
          47.5044,
          47.1408,
          46.7853,
          46.4381,
          46.0993,
          45.7691,
          45.4476,
          45.135,
          44.8315,
          44.5371,
          44.252,
          43.9763,
          43.7101,
          43.4535,
          43.2066,
          42.9694,
          42.7421,
          42.5247,
          42.3172,
          42.1197,
          41.9321,
          41.7546,
          41.5871,
          41.4296,
          41.2821,
          41.1445,
          41.0169,
          40.8992,
          40.7912,
          40.6931,
          40.6046,
          40.5258,
          40.4564,
          40.3965,
          40.3458,
          40.3043,
          40.2719,
          40.2485
        ],
        "change": [
          0.345,
          0.3433,
          0.3413,
          0.3392,
          0.3368,
          0.3341,
          0.3312,
          0.3281,
          0.3248,
          0.3214,
          0.3177,
          0.3139,
          0.3099,
          0.3058,
          0.3016,
          0.2972,
          0.2928,
          0.2883,
          0.2838,
          0.2792,
          0.2746,
          0.27,
          0.2654,
          0.261,
          0.2565,
          0.2521,
          0.2479,
          0.2437,
          0.2398,
          0.2359,
          0.2322,
          0.2288,
          0.2255,
          0.2225,
          0.2196,
          0.2171,
          0.2147,
          0.2128,
          0.2111,
          0.2096,
          0.2084
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 0.275,
        "rotation": -0.086,
        "wingChange": 0.0,
        "rmsChange": 0.279
      }
    },
    {
      "label": "25JUN27",
      "expiry": 1813910400000,
      "tauYears": 0.94886041,
      "daysToExpiry": 346.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 64658.77,
        "previous": 66186.27,
        "change": -1527.5,
        "percentChange": -2.31
      },
      "atmIv": {
        "current": 42.88,
        "previous": 42.76,
        "change": 0.12,
        "percentChange": 0.28
      },
      "rr25": {
        "current": -5.29,
        "previous": -5.34,
        "change": 0.05,
        "percentChange": 0.94
      },
      "bf25": {
        "current": 2.69,
        "previous": 2.58,
        "change": 0.11,
        "percentChange": 4.26
      },
      "svi": {
        "a": {
          "current": -0.2436,
          "previous": -0.2378,
          "change": -0.0057,
          "percentChange": -2.42
        },
        "b": {
          "current": 0.402,
          "previous": 0.4029,
          "change": -0.0009,
          "percentChange": -0.22
        },
        "rho": {
          "current": -0.5272,
          "previous": -0.5608,
          "change": 0.0336,
          "percentChange": 6.0
        },
        "m": {
          "current": -0.3511,
          "previous": -0.4013,
          "change": 0.0502,
          "percentChange": 12.51
        },
        "sigma": {
          "current": 1.193,
          "previous": 1.2006,
          "change": -0.0075,
          "percentChange": -0.63
        }
      },
      "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": [
          48.7639,
          48.4514,
          48.1451,
          47.8451,
          47.5516,
          47.2646,
          46.9842,
          46.7105,
          46.4435,
          46.1834,
          45.9302,
          45.684,
          45.4449,
          45.2128,
          44.9879,
          44.7701,
          44.5596,
          44.3564,
          44.1604,
          43.9718,
          43.7905,
          43.6165,
          43.4498,
          43.2905,
          43.1385,
          42.9938,
          42.8564,
          42.7263,
          42.6035,
          42.4878,
          42.3793,
          42.278,
          42.1837,
          42.0964,
          42.0162,
          41.9428,
          41.8762,
          41.8165,
          41.7634,
          41.7169,
          41.677
        ],
        "previous": [
          48.5911,
          48.2826,
          47.9803,
          47.6843,
          47.3946,
          47.1113,
          46.8345,
          46.5643,
          46.3007,
          46.0437,
          45.7936,
          45.5502,
          45.3136,
          45.0839,
          44.8612,
          44.6454,
          44.4366,
          44.2347,
          44.0399,
          43.8521,
          43.6713,
          43.4976,
          43.3309,
          43.1712,
          43.0185,
          42.8728,
          42.734,
          42.6022,
          42.4773,
          42.3592,
          42.2479,
          42.1435,
          42.0457,
          41.9546,
          41.8701,
          41.7922,
          41.7208,
          41.6557,
          41.597,
          41.5446,
          41.4983
        ],
        "change": [
          0.1728,
          0.1688,
          0.1648,
          0.1608,
          0.157,
          0.1533,
          0.1497,
          0.1462,
          0.1428,
          0.1397,
          0.1366,
          0.1338,
          0.1313,
          0.1289,
          0.1267,
          0.1247,
          0.123,
          0.1217,
          0.1205,
          0.1197,
          0.1192,
          0.1189,
          0.1189,
          0.1193,
          0.12,
          0.121,
          0.1224,
          0.1241,
          0.1262,
          0.1286,
          0.1314,
          0.1345,
          0.138,
          0.1418,
          0.1461,
          0.1506,
          0.1554,
          0.1608,
          0.1664,
          0.1723,
          0.1787
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 0.129,
        "rotation": -0.005,
        "wingChange": 0.015,
        "rmsChange": 0.141
      }
    }
  ],
  "events": [
    {
      "type": "rotation",
      "title": "Largest eligible smile rotation",
      "label": "24JUL26",
      "value": -3.03,
      "score": 3.03,
      "unit": "volatility points"
    },
    {
      "type": "rr25",
      "title": "Largest standard-tenor RR25 move",
      "label": "1W",
      "value": -0.9,
      "score": 0.9,
      "unit": "volatility points"
    },
    {
      "type": "atmIv",
      "title": "Largest standard-tenor ATM IV move",
      "label": "2W",
      "value": 0.83,
      "score": 0.83,
      "unit": "volatility points"
    },
    {
      "type": "sigma",
      "title": "Largest eligible SVI sigma move",
      "label": "31JUL26",
      "value": -0.1392,
      "score": 0.1392,
      "unit": "parameter units"
    },
    {
      "type": "bf25",
      "title": "Largest standard-tenor BF25 move",
      "label": "1Y",
      "value": 0.12,
      "score": 0.12,
      "unit": "volatility points"
    },
    {
      "type": "rho",
      "title": "Largest eligible SVI rho move",
      "label": "25DEC26",
      "value": 0.1013,
      "score": 0.1013,
      "unit": "parameter units"
    }
  ],
  "expiryEffects": [
    {
      "label": "14JUL26",
      "daysToExpiry": 0.334,
      "metric": "Smile rotation",
      "value": -8.969,
      "unit": "volatility points",
      "context": "Excluded from headline rankings because the contract has fewer than the configured full days to expiry."
    },
    {
      "label": "15JUL26",
      "daysToExpiry": 1.334,
      "metric": "Smile rotation",
      "value": -3.818,
      "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": "25JUN27",
      "expiry": 1813910400000,
      "value": 245.84843169,
      "metric": "vega",
      "availability": "available"
    },
    "highestGamma": {
      "label": "14JUL26",
      "expiry": 1784016000000,
      "value": 0.000586191314,
      "metric": "gamma",
      "availability": "available"
    },
    "highestThetaDecay": {
      "label": "14JUL26",
      "expiry": 1784016000000,
      "value": -406.38860918,
      "metric": "theta",
      "availability": "available"
    },
    "highestVanna": {
      "label": "25JUN27",
      "expiry": 1813910400000,
      "value": 0.00190112,
      "metric": "vanna",
      "availability": "available"
    },
    "highestVolga": {
      "label": "25JUN27",
      "expiry": 1813910400000,
      "value": -25.00717049,
      "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": "14JUL26",
        "values": [
          71.3806,
          67.7763,
          64.1675,
          60.5551,
          56.9404,
          53.3242,
          49.707,
          46.0897,
          42.4721,
          38.8543,
          35.2359,
          31.6162,
          27.9941,
          24.3694,
          20.7439,
          17.1244,
          13.5322,
          10.0203,
          6.7116,
          3.8608,
          1.8965,
          1.2913,
          2.1994,
          4.2977,
          7.0904,
          10.2054,
          13.438,
          16.6915,
          19.9234,
          23.1171,
          26.2667,
          29.3713,
          32.4319,
          35.4503,
          38.4284,
          41.3681,
          44.2708,
          47.1381,
          49.9714,
          52.7719,
          55.5405
        ]
      },
      {
        "label": "15JUL26",
        "values": [
          16.6233,
          15.9282,
          15.2295,
          14.5275,
          13.8219,
          13.1129,
          12.4006,
          11.6847,
          10.9654,
          10.2426,
          9.5165,
          8.7868,
          8.0542,
          7.3188,
          6.5822,
          5.8467,
          5.1173,
          4.4038,
          3.7235,
          3.1057,
          2.5927,
          2.2334,
          2.0667,
          2.1043,
          2.3278,
          2.7008,
          3.1847,
          3.7471,
          4.3638,
          5.018,
          5.6982,
          6.3964,
          7.1073,
          7.827,
          8.5527,
          9.2824,
          10.0144,
          10.7476,
          11.481,
          12.2139,
          12.9455
        ]
      },
      {
        "label": "16JUL26",
        "values": [
          7.6085,
          7.3348,
          7.0522,
          6.7603,
          6.4588,
          6.1476,
          5.8265,
          5.4954,
          5.154,
          4.8026,
          4.441,
          4.0694,
          3.6882,
          3.2982,
          2.9009,
          2.4987,
          2.0958,
          1.6993,
          1.3201,
          0.9743,
          0.683,
          0.4692,
          0.3524,
          0.3414,
          0.4317,
          0.6077,
          0.8492,
          1.1365,
          1.4536,
          1.7886,
          2.1328,
          2.4806,
          2.8279,
          3.1723,
          3.512,
          3.8457,
          4.1726,
          4.4923,
          4.8046,
          5.1091,
          5.4057
        ]
      },
      {
        "label": "17JUL26",
        "values": [
          6.3775,
          6.2182,
          6.0427,
          5.8501,
          5.6401,
          5.4118,
          5.1649,
          4.8992,
          4.6146,
          4.3113,
          3.9902,
          3.6527,
          3.3011,
          2.9389,
          2.5713,
          2.2061,
          1.8542,
          1.5305,
          1.2542,
          1.0485,
          0.9384,
          0.9454,
          1.0822,
          1.3485,
          1.731,
          2.2078,
          2.7549,
          3.3502,
          3.9764,
          4.6207,
          5.2741,
          5.9304,
          6.5853,
          7.2359,
          7.8802,
          8.5164,
          9.1435,
          9.7607,
          10.3674,
          10.9628,
          11.5468
        ]
      },
      {
        "label": "24JUL26",
        "values": [
          1.705,
          1.7729,
          1.831,
          1.8787,
          1.9149,
          1.9392,
          1.9505,
          1.9482,
          1.9312,
          1.8988,
          1.8498,
          1.7837,
          1.6996,
          1.5967,
          1.4747,
          1.3332,
          1.1724,
          0.9931,
          0.7969,
          0.5862,
          0.3649,
          0.1376,
          -0.0896,
          -0.3097,
          -0.5156,
          -0.7006,
          -0.8592,
          -0.9872,
          -1.083,
          -1.1468,
          -1.1801,
          -1.1863,
          -1.1689,
          -1.132,
          -1.0796,
          -1.0154,
          -0.9429,
          -0.8649,
          -0.7841,
          -0.7026,
          -0.6222
        ]
      },
      {
        "label": "31JUL26",
        "values": [
          0.355,
          0.4627,
          0.5648,
          0.6611,
          0.751,
          0.8343,
          0.9104,
          0.9789,
          1.0394,
          1.0915,
          1.1349,
          1.1691,
          1.194,
          1.2095,
          1.2153,
          1.2115,
          1.1986,
          1.1769,
          1.1472,
          1.1105,
          1.0683,
          1.0223,
          0.9745,
          0.9273,
          0.8832,
          0.8447,
          0.8144,
          0.7946,
          0.7869,
          0.793,
          0.8133,
          0.8482,
          0.8977,
          0.9608,
          1.0366,
          1.1237,
          1.2209,
          1.3264,
          1.439,
          1.5568,
          1.6787
        ]
      },
      {
        "label": "28AUG26",
        "values": [
          1.0405,
          1.0442,
          1.046,
          1.0459,
          1.0435,
          1.0386,
          1.0312,
          1.0211,
          1.008,
          0.9917,
          0.9722,
          0.9492,
          0.9226,
          0.8922,
          0.8579,
          0.8199,
          0.778,
          0.7323,
          0.6831,
          0.6308,
          0.5757,
          0.5185,
          0.4599,
          0.4008,
          0.3422,
          0.2855,
          0.2317,
          0.1824,
          0.139,
          0.1025,
          0.0744,
          0.0557,
          0.047,
          0.0491,
          0.062,
          0.0858,
          0.1201,
          0.1646,
          0.2183,
          0.2806,
          0.3504
        ]
      },
      {
        "label": "25SEP26",
        "values": [
          0.7858,
          0.7883,
          0.7887,
          0.7869,
          0.7828,
          0.7762,
          0.7671,
          0.7555,
          0.7414,
          0.7244,
          0.7048,
          0.6825,
          0.6574,
          0.6297,
          0.5992,
          0.5663,
          0.531,
          0.4935,
          0.4538,
          0.4123,
          0.3694,
          0.3251,
          0.2801,
          0.2346,
          0.1891,
          0.1439,
          0.0997,
          0.0569,
          0.016,
          -0.0226,
          -0.0585,
          -0.0911,
          -0.1201,
          -0.1451,
          -0.1659,
          -0.1823,
          -0.1939,
          -0.2009,
          -0.2031,
          -0.2003,
          -0.193
        ]
      },
      {
        "label": "25DEC26",
        "values": [
          0.4972,
          0.4965,
          0.4942,
          0.4906,
          0.4855,
          0.479,
          0.4712,
          0.4623,
          0.4522,
          0.4411,
          0.4291,
          0.4163,
          0.4026,
          0.3883,
          0.3736,
          0.3584,
          0.343,
          0.3273,
          0.3117,
          0.296,
          0.2806,
          0.2654,
          0.2507,
          0.2365,
          0.2228,
          0.2101,
          0.1981,
          0.1871,
          0.177,
          0.1682,
          0.1604,
          0.154,
          0.1489,
          0.1451,
          0.1428,
          0.1419,
          0.1426,
          0.1448,
          0.1484,
          0.1535,
          0.1603
        ]
      },
      {
        "label": "26MAR27",
        "values": [
          0.345,
          0.3433,
          0.3413,
          0.3392,
          0.3368,
          0.3341,
          0.3312,
          0.3281,
          0.3248,
          0.3214,
          0.3177,
          0.3139,
          0.3099,
          0.3058,
          0.3016,
          0.2972,
          0.2928,
          0.2883,
          0.2838,
          0.2792,
          0.2746,
          0.27,
          0.2654,
          0.261,
          0.2565,
          0.2521,
          0.2479,
          0.2437,
          0.2398,
          0.2359,
          0.2322,
          0.2288,
          0.2255,
          0.2225,
          0.2196,
          0.2171,
          0.2147,
          0.2128,
          0.2111,
          0.2096,
          0.2084
        ]
      },
      {
        "label": "25JUN27",
        "values": [
          0.1728,
          0.1688,
          0.1648,
          0.1608,
          0.157,
          0.1533,
          0.1497,
          0.1462,
          0.1428,
          0.1397,
          0.1366,
          0.1338,
          0.1313,
          0.1289,
          0.1267,
          0.1247,
          0.123,
          0.1217,
          0.1205,
          0.1197,
          0.1192,
          0.1189,
          0.1189,
          0.1193,
          0.12,
          0.121,
          0.1224,
          0.1241,
          0.1262,
          0.1286,
          0.1314,
          0.1345,
          0.138,
          0.1418,
          0.1461,
          0.1506,
          0.1554,
          0.1608,
          0.1664,
          0.1723,
          0.1787
        ]
      }
    ]
  }
}
