{
  "schemaVersion": 2,
  "reportDate": "2026-06-21",
  "generatedAt": "2026-07-25T18:42:37+00:00",
  "currentSnapshotAt": "2026-06-21T23:59:00+00:00",
  "previousSnapshotAt": "2026-06-20T23:59:00+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": 0.13439135,
    "previousObjective": 0.12746102,
    "currentLiveError": 909.51932306,
    "previousLiveError": 74.51232988
  },
  "coverage": {
    "currentListedExpiries": 12,
    "previousListedExpiries": 12,
    "comparedListedExpiries": 11,
    "addedExpiries": [
      "25JUN26"
    ],
    "removedExpiries": [
      "21JUN26"
    ],
    "fixedTenors": [
      "1W",
      "2W",
      "1M",
      "3M",
      "6M",
      "9M",
      "1Y"
    ]
  },
  "commentary": {
    "source": "deterministic",
    "model": null,
    "headline": "BTC daily surface: 1W ATM IV rises 3.82 volatility points",
    "executiveSummary": "Across the six headline tenors, ATM IV averaged +1.50 volatility points, RR25 -0.43 volatility points and BF25 +0.19 volatility points between the stored endpoints.",
    "takeaways": [
      {
        "id": "front-atm",
        "label": "Front end",
        "text": "Front-end ATM IV increased, averaging +2.63 volatility points across 1W, 2W and 1M."
      },
      {
        "id": "back-atm",
        "label": "Long end",
        "text": "Long-dated ATM IV increased, averaging +0.23 volatility points across 6M and 1Y."
      },
      {
        "id": "rr25",
        "label": "Skew",
        "text": "RR25 moved towards puts, averaging -0.43 volatility points across the six headline tenors."
      },
      {
        "id": "bf25",
        "label": "Convexity",
        "text": "BF25 increased, averaging +0.19 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 +3.82 volatility points at 1W.",
        "tenor": "1W",
        "value": 3.82
      }
    ],
    "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 +2.63 volatility points across 1W, 2W and 1M."
    },
    {
      "id": "back-atm",
      "label": "Long end",
      "text": "Long-dated ATM IV increased, averaging +0.23 volatility points across 6M and 1Y."
    },
    {
      "id": "rr25",
      "label": "Skew",
      "text": "RR25 moved towards puts, averaging -0.43 volatility points across the six headline tenors."
    },
    {
      "id": "bf25",
      "label": "Convexity",
      "text": "BF25 increased, averaging +0.19 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 +3.82 volatility points at 1W.",
      "tenor": "1W",
      "value": 3.82
    }
  ],
  "summaryMetrics": {
    "basis": "Average change across 1W, 2W, 1M, 3M, 6M and 1Y",
    "unit": "volatility points",
    "atmIvChange": 1.5,
    "rr25Change": -0.43,
    "bf25Change": 0.19
  },
  "tenors": [
    {
      "tenor": "1W",
      "targetExpiry": 1782691144712,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 40.29,
        "previous": 36.47,
        "change": 3.82,
        "percentChange": 10.47
      },
      "rr25": {
        "current": -7.83,
        "previous": -6.31,
        "change": -1.52,
        "percentChange": -24.09
      },
      "bf25": {
        "current": 2.87,
        "previous": 2.39,
        "change": 0.48,
        "percentChange": 20.08
      }
    },
    {
      "tenor": "2W",
      "targetExpiry": 1783295944712,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 38.88,
        "previous": 36.51,
        "change": 2.37,
        "percentChange": 6.49
      },
      "rr25": {
        "current": -8.61,
        "previous": -7.74,
        "change": -0.87,
        "percentChange": -11.24
      },
      "bf25": {
        "current": 2.85,
        "previous": 2.58,
        "change": 0.27,
        "percentChange": 10.47
      }
    },
    {
      "tenor": "1M",
      "targetExpiry": 1784678344712,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 38.51,
        "previous": 36.81,
        "change": 1.7,
        "percentChange": 4.62
      },
      "rr25": {
        "current": -7.93,
        "previous": -7.63,
        "change": -0.3,
        "percentChange": -3.93
      },
      "bf25": {
        "current": 2.77,
        "previous": 2.63,
        "change": 0.14,
        "percentChange": 5.32
      }
    },
    {
      "tenor": "3M",
      "targetExpiry": 1789948744712,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 38.96,
        "previous": 38.31,
        "change": 0.65,
        "percentChange": 1.7
      },
      "rr25": {
        "current": -6.19,
        "previous": -6.24,
        "change": 0.05,
        "percentChange": 0.8
      },
      "bf25": {
        "current": 2.77,
        "previous": 2.64,
        "change": 0.13,
        "percentChange": 4.92
      }
    },
    {
      "tenor": "6M",
      "targetExpiry": 1797811144712,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 41.77,
        "previous": 41.47,
        "change": 0.3,
        "percentChange": 0.72
      },
      "rr25": {
        "current": -4.92,
        "previous": -4.93,
        "change": 0.01,
        "percentChange": 0.2
      },
      "bf25": {
        "current": 2.86,
        "previous": 2.75,
        "change": 0.11,
        "percentChange": 4.0
      }
    },
    {
      "tenor": "9M",
      "targetExpiry": 1805673544712,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 42.81,
        "previous": 42.6,
        "change": 0.21,
        "percentChange": 0.49
      },
      "rr25": {
        "current": -4.23,
        "previous": -4.27,
        "change": 0.04,
        "percentChange": 0.94
      },
      "bf25": {
        "current": 2.97,
        "previous": 2.93,
        "change": 0.04,
        "percentChange": 1.37
      }
    },
    {
      "tenor": "1Y",
      "targetExpiry": 1813622344712,
      "availability": "available",
      "unavailableReason": null,
      "atmIv": {
        "current": 43.32,
        "previous": 43.16,
        "change": 0.16,
        "percentChange": 0.37
      },
      "rr25": {
        "current": -3.87,
        "previous": -3.94,
        "change": 0.07,
        "percentChange": 1.78
      },
      "bf25": {
        "current": 3.05,
        "previous": 3.02,
        "change": 0.03,
        "percentChange": 0.99
      }
    }
  ],
  "listedExpiries": [
    {
      "label": "22JUN26",
      "expiry": 1782115200000,
      "tauYears": 0.00091516,
      "daysToExpiry": 0.334,
      "expiryClassification": "ultra-short",
      "rankingEligible": false,
      "forward": {
        "current": 63240.54,
        "previous": 64253.01,
        "change": -1012.47,
        "percentChange": -1.58
      },
      "atmIv": {
        "current": 47.61,
        "previous": 30.66,
        "change": 16.95,
        "percentChange": 55.28
      },
      "rr25": {
        "current": -7.8,
        "previous": -4.87,
        "change": -2.93,
        "percentChange": -60.16
      },
      "bf25": {
        "current": 2.04,
        "previous": 1.45,
        "change": 0.59,
        "percentChange": 40.69
      },
      "svi": {
        "a": {
          "current": -0.0346,
          "previous": -0.0472,
          "change": 0.0127,
          "percentChange": 26.84
        },
        "b": {
          "current": 0.0792,
          "previous": 0.0971,
          "change": -0.0179,
          "percentChange": -18.47
        },
        "rho": {
          "current": -0.3012,
          "previous": -0.2655,
          "change": -0.0357,
          "percentChange": -13.44
        },
        "m": {
          "current": -0.123,
          "previous": -0.1156,
          "change": -0.0075,
          "percentChange": -6.45
        },
        "sigma": {
          "current": 0.4601,
          "previous": 0.5078,
          "change": -0.0477,
          "percentChange": -9.4
        }
      },
      "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": [
          308.0079,
          294.0696,
          280.0714,
          266.0237,
          251.9383,
          237.828,
          223.7074,
          209.5926,
          195.5019,
          181.456,
          167.479,
          153.5998,
          139.8537,
          126.2858,
          112.956,
          99.9483,
          87.3864,
          75.461,
          64.4799,
          54.9473,
          47.6549,
          43.6358,
          43.6903,
          47.6966,
          54.6959,
          63.621,
          73.6982,
          84.4471,
          95.5796,
          106.9208,
          118.361,
          129.8293,
          141.2783,
          152.6758,
          163.9992,
          175.2325,
          186.3645,
          197.3872,
          208.2951,
          219.0843,
          229.7525
        ],
        "previous": [
          165.1424,
          157.8072,
          150.4483,
          143.0711,
          135.6817,
          128.287,
          120.8946,
          113.5135,
          106.1537,
          98.8271,
          91.5479,
          84.3333,
          77.2051,
          70.1913,
          63.3294,
          56.6714,
          50.2916,
          44.2995,
          38.8587,
          34.2111,
          30.6902,
          28.6789,
          28.4603,
          30.0339,
          33.1074,
          37.2764,
          42.1846,
          47.574,
          53.2715,
          59.1633,
          65.1737,
          71.2519,
          77.3626,
          83.4812,
          89.5898,
          95.6754,
          101.7283,
          107.7415,
          113.7095,
          119.6283,
          125.495
        ],
        "change": [
          142.8655,
          136.2624,
          129.6231,
          122.9526,
          116.2566,
          109.541,
          102.8128,
          96.0791,
          89.3482,
          82.6289,
          75.9311,
          69.2665,
          62.6486,
          56.0945,
          49.6266,
          43.2769,
          37.0948,
          31.1615,
          25.6212,
          20.7362,
          16.9647,
          14.9569,
          15.23,
          17.6627,
          21.5885,
          26.3446,
          31.5136,
          36.8731,
          42.3081,
          47.7575,
          53.1873,
          58.5774,
          63.9157,
          69.1946,
          74.4094,
          79.5571,
          84.6362,
          89.6457,
          94.5856,
          99.456,
          104.2575
        ],
        "classification": [
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 48.694,
        "rotation": -22.744,
        "wingChange": 47.595,
        "rmsChange": 76.025
      }
    },
    {
      "label": "23JUN26",
      "expiry": 1782201600000,
      "tauYears": 0.00365488,
      "daysToExpiry": 1.334,
      "expiryClassification": "ultra-short",
      "rankingEligible": false,
      "forward": {
        "current": 63226.51,
        "previous": 64250.7,
        "change": -1024.19,
        "percentChange": -1.59
      },
      "atmIv": {
        "current": 45.71,
        "previous": 33.42,
        "change": 12.29,
        "percentChange": 36.77
      },
      "rr25": {
        "current": -7.04,
        "previous": -4.44,
        "change": -2.6,
        "percentChange": -58.56
      },
      "bf25": {
        "current": 2.32,
        "previous": 1.94,
        "change": 0.38,
        "percentChange": 19.59
      },
      "svi": {
        "a": {
          "current": -0.0413,
          "previous": -0.0425,
          "change": 0.0012,
          "percentChange": 2.8
        },
        "b": {
          "current": 0.0936,
          "previous": 0.1021,
          "change": -0.0085,
          "percentChange": -8.33
        },
        "rho": {
          "current": -0.2344,
          "previous": -0.2032,
          "change": -0.0312,
          "percentChange": -15.37
        },
        "m": {
          "current": -0.0792,
          "previous": -0.0671,
          "change": -0.0121,
          "percentChange": -18.03
        },
        "sigma": {
          "current": 0.4614,
          "previous": 0.4318,
          "change": 0.0296,
          "percentChange": 6.86
        }
      },
      "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": [
          176.6846,
          169.4249,
          162.1335,
          154.817,
          147.483,
          140.1403,
          132.7992,
          125.4717,
          118.1718,
          110.9164,
          103.7254,
          96.6232,
          89.6398,
          82.8127,
          76.1896,
          69.8321,
          63.8202,
          58.2584,
          53.2813,
          49.0563,
          45.7761,
          43.634,
          42.7767,
          43.2532,
          44.9917,
          47.8253,
          51.5441,
          55.9436,
          60.8492,
          66.1227,
          71.6588,
          77.3789,
          83.224,
          89.1501,
          95.1242,
          101.1211,
          107.1216,
          113.1109,
          119.0776,
          125.0128,
          130.9097
        ],
        "previous": [
          139.3534,
          133.5075,
          127.6258,
          121.7132,
          115.7758,
          109.8203,
          103.8552,
          97.8901,
          91.9369,
          86.0095,
          80.1252,
          74.3051,
          68.5758,
          62.9712,
          57.5356,
          52.3273,
          47.4245,
          42.9322,
          38.9887,
          35.7679,
          33.4659,
          32.2622,
          32.2585,
          33.431,
          35.6384,
          38.6782,
          42.3465,
          46.4703,
          50.9162,
          55.5851,
          60.4051,
          65.3237,
          70.3027,
          75.3138,
          80.3358,
          85.353,
          90.3533,
          95.3275,
          100.2688,
          105.1716,
          110.0321
        ],
        "change": [
          37.3312,
          35.9174,
          34.5077,
          33.1038,
          31.7072,
          30.32,
          28.944,
          27.5816,
          26.2349,
          24.9069,
          23.6002,
          22.3181,
          21.064,
          19.8415,
          18.654,
          17.5048,
          16.3957,
          15.3262,
          14.2926,
          13.2884,
          12.3102,
          11.3718,
          10.5182,
          9.8222,
          9.3533,
          9.1471,
          9.1976,
          9.4733,
          9.933,
          10.5376,
          11.2537,
          12.0552,
          12.9213,
          13.8363,
          14.7884,
          15.7681,
          16.7683,
          17.7834,
          18.8088,
          19.8412,
          20.8776
        ],
        "classification": [
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 15.721,
        "rotation": -12.346,
        "wingChange": 5.117,
        "rmsChange": 20.455
      }
    },
    {
      "label": "24JUN26",
      "expiry": 1782288000000,
      "tauYears": 0.00639461,
      "daysToExpiry": 2.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63235.22,
        "previous": 64246.01,
        "change": -1010.79,
        "percentChange": -1.57
      },
      "atmIv": {
        "current": 43.37,
        "previous": 34.02,
        "change": 9.35,
        "percentChange": 27.48
      },
      "rr25": {
        "current": -7.47,
        "previous": -5.37,
        "change": -2.1,
        "percentChange": -39.11
      },
      "bf25": {
        "current": 2.95,
        "previous": 2.05,
        "change": 0.9,
        "percentChange": 43.9
      },
      "svi": {
        "a": {
          "current": -0.0371,
          "previous": -0.0435,
          "change": 0.0065,
          "percentChange": 14.87
        },
        "b": {
          "current": 0.1004,
          "previous": 0.1036,
          "change": -0.0032,
          "percentChange": -3.07
        },
        "rho": {
          "current": -0.1515,
          "previous": -0.186,
          "change": 0.0345,
          "percentChange": 18.57
        },
        "m": {
          "current": -0.0256,
          "previous": -0.0506,
          "change": 0.025,
          "percentChange": 49.44
        },
        "sigma": {
          "current": 0.3841,
          "previous": 0.4369,
          "change": -0.0528,
          "percentChange": -12.09
        }
      },
      "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": [
          150.6684,
          144.9146,
          139.1109,
          133.2618,
          127.3726,
          121.45,
          115.5021,
          109.5387,
          103.5722,
          97.6172,
          91.692,
          85.8191,
          80.0264,
          74.3488,
          68.8303,
          63.5271,
          58.5105,
          53.8714,
          49.7228,
          46.2009,
          43.4573,
          41.6398,
          40.8613,
          41.1649,
          42.5081,
          44.7754,
          47.8119,
          51.4574,
          55.5679,
          60.0243,
          64.7323,
          69.6191,
          74.6289,
          79.7193,
          84.8578,
          90.0195,
          95.1851,
          100.3398,
          105.4723,
          110.5736,
          115.6369
        ],
        "previous": [
          121.0893,
          116.2854,
          111.4538,
          106.5987,
          101.7253,
          96.8394,
          91.9484,
          87.0607,
          82.1864,
          77.3376,
          72.5292,
          67.779,
          63.1092,
          58.5473,
          54.1282,
          49.8961,
          45.9074,
          42.2339,
          38.9651,
          36.2083,
          34.0825,
          32.702,
          32.151,
          32.4573,
          33.5812,
          35.4276,
          37.873,
          40.7919,
          44.0727,
          47.6239,
          51.3731,
          55.2646,
          59.2561,
          63.3149,
          67.4163,
          71.5411,
          75.6746,
          79.8052,
          83.924,
          88.0239,
          92.0995
        ],
        "change": [
          29.5791,
          28.6292,
          27.6571,
          26.6631,
          25.6473,
          24.6106,
          23.5537,
          22.478,
          21.3858,
          20.2796,
          19.1628,
          18.0401,
          16.9172,
          15.8015,
          14.7021,
          13.631,
          12.6031,
          11.6375,
          10.7577,
          9.9926,
          9.3748,
          8.9378,
          8.7103,
          8.7076,
          8.9269,
          9.3478,
          9.9389,
          10.6655,
          11.4952,
          12.4004,
          13.3592,
          14.3545,
          15.3728,
          16.4044,
          17.4415,
          18.4784,
          19.5105,
          20.5346,
          21.5483,
          22.5497,
          23.5374
        ],
        "classification": [
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 13.966,
        "rotation": -5.804,
        "wingChange": 6.886,
        "rmsChange": 18.046
      }
    },
    {
      "label": "26JUN26",
      "expiry": 1782460800000,
      "tauYears": 0.01187406,
      "daysToExpiry": 4.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63217.78,
        "previous": 64222.89,
        "change": -1005.11,
        "percentChange": -1.57
      },
      "atmIv": {
        "current": 42.1,
        "previous": 36.37,
        "change": 5.73,
        "percentChange": 15.75
      },
      "rr25": {
        "current": -6.07,
        "previous": -5.2,
        "change": -0.87,
        "percentChange": -16.73
      },
      "bf25": {
        "current": 2.65,
        "previous": 2.24,
        "change": 0.41,
        "percentChange": 18.3
      },
      "svi": {
        "a": {
          "current": -0.0518,
          "previous": -0.0544,
          "change": 0.0026,
          "percentChange": 4.74
        },
        "b": {
          "current": 0.1157,
          "previous": 0.1164,
          "change": -0.0007,
          "percentChange": -0.64
        },
        "rho": {
          "current": -0.039,
          "previous": -0.0637,
          "change": 0.0247,
          "percentChange": 38.83
        },
        "m": {
          "current": 0.0204,
          "previous": 0.007,
          "change": 0.0134,
          "percentChange": 190.39
        },
        "sigma": {
          "current": 0.4647,
          "previous": 0.4832,
          "change": -0.0184,
          "percentChange": -3.81
        }
      },
      "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": [
          112.2128,
          108.2535,
          104.2758,
          100.2837,
          96.2821,
          92.2766,
          88.274,
          84.2826,
          80.312,
          76.374,
          72.4828,
          68.6552,
          64.9118,
          61.2773,
          57.7815,
          54.4603,
          51.3561,
          48.519,
          46.0056,
          43.8778,
          42.1989,
          41.0273,
          40.4087,
          40.3684,
          40.906,
          41.9955,
          43.5906,
          45.6318,
          48.0549,
          50.7973,
          53.8016,
          57.0176,
          60.4024,
          63.9201,
          67.541,
          71.2407,
          74.9988,
          78.799,
          82.6273,
          86.4727,
          90.3256
        ],
        "previous": [
          99.8013,
          96.2013,
          92.5868,
          88.9616,
          85.3301,
          81.6973,
          78.0695,
          74.4541,
          70.8596,
          67.2968,
          63.778,
          60.3184,
          56.9363,
          53.6537,
          50.4974,
          47.4995,
          44.6985,
          42.1396,
          39.8747,
          37.9605,
          36.455,
          35.4121,
          34.873,
          34.8598,
          35.3698,
          36.3767,
          37.8354,
          39.6898,
          41.8802,
          44.3493,
          47.0454,
          49.9238,
          52.9466,
          56.0826,
          59.3059,
          62.5955,
          65.934,
          69.3072,
          72.7036,
          76.1136,
          79.5292
        ],
        "change": [
          12.4115,
          12.0522,
          11.689,
          11.3221,
          10.952,
          10.5793,
          10.2045,
          9.8285,
          9.4524,
          9.0772,
          8.7048,
          8.3368,
          7.9755,
          7.6236,
          7.2841,
          6.9608,
          6.6576,
          6.3794,
          6.1309,
          5.9173,
          5.7439,
          5.6152,
          5.5357,
          5.5086,
          5.5362,
          5.6188,
          5.7552,
          5.942,
          6.1747,
          6.448,
          6.7562,
          7.0938,
          7.4558,
          7.8375,
          8.2351,
          8.6452,
          9.0648,
          9.4918,
          9.9237,
          10.3591,
          10.7964
        ],
        "classification": [
          "parallel shift higher",
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 7.068,
        "rotation": -1.949,
        "wingChange": 1.987,
        "rmsChange": 8.382
      }
    },
    {
      "label": "3JUL26",
      "expiry": 1783065600000,
      "tauYears": 0.03105214,
      "daysToExpiry": 11.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63259.24,
        "previous": 64275.58,
        "change": -1016.34,
        "percentChange": -1.58
      },
      "atmIv": {
        "current": 39.12,
        "previous": 36.61,
        "change": 2.51,
        "percentChange": 6.86
      },
      "rr25": {
        "current": -9.01,
        "previous": -7.85,
        "change": -1.16,
        "percentChange": -14.78
      },
      "bf25": {
        "current": 2.99,
        "previous": 2.57,
        "change": 0.42,
        "percentChange": 16.34
      },
      "svi": {
        "a": {
          "current": -0.0432,
          "previous": -0.0585,
          "change": 0.0153,
          "percentChange": 26.18
        },
        "b": {
          "current": 0.1168,
          "previous": 0.1277,
          "change": -0.0109,
          "percentChange": -8.52
        },
        "rho": {
          "current": -0.0289,
          "previous": -0.0698,
          "change": 0.041,
          "percentChange": 58.66
        },
        "m": {
          "current": 0.0692,
          "previous": 0.0465,
          "change": 0.0227,
          "percentChange": 48.8
        },
        "sigma": {
          "current": 0.4025,
          "previous": 0.488,
          "change": -0.0854,
          "percentChange": -17.51
        }
      },
      "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": [
          84.0147,
          81.6391,
          79.2483,
          76.8445,
          74.4297,
          72.0068,
          69.579,
          67.1504,
          64.7256,
          62.3102,
          59.9107,
          57.5349,
          55.192,
          52.8927,
          50.6496,
          48.4771,
          46.392,
          44.4135,
          42.5631,
          40.8647,
          39.344,
          38.0276,
          36.942,
          36.1117,
          35.5571,
          35.2927,
          35.325,
          35.6521,
          36.2639,
          37.143,
          38.2668,
          39.6095,
          41.144,
          42.8439,
          44.6839,
          46.6411,
          48.6949,
          50.8272,
          53.0222,
          55.2664,
          57.5483
        ],
        "previous": [
          78.9928,
          76.6602,
          74.3207,
          71.9767,
          69.6309,
          67.2862,
          64.9465,
          62.6159,
          60.2992,
          58.0021,
          55.7311,
          53.4936,
          51.2985,
          49.1556,
          47.0764,
          45.074,
          43.1633,
          41.3608,
          39.6851,
          38.1563,
          36.7955,
          35.6246,
          34.6645,
          33.9342,
          33.4494,
          33.2205,
          33.2516,
          33.5404,
          34.0779,
          34.8496,
          35.8369,
          37.0188,
          38.3729,
          39.8775,
          41.5115,
          43.2557,
          45.0925,
          47.0066,
          48.9842,
          51.0136,
          53.0845
        ],
        "change": [
          5.0219,
          4.9789,
          4.9276,
          4.8678,
          4.7988,
          4.7206,
          4.6325,
          4.5345,
          4.4264,
          4.3081,
          4.1796,
          4.0413,
          3.8935,
          3.7371,
          3.5732,
          3.4031,
          3.2287,
          3.0527,
          2.878,
          2.7084,
          2.5485,
          2.403,
          2.2775,
          2.1775,
          2.1077,
          2.0722,
          2.0734,
          2.1117,
          2.186,
          2.2934,
          2.4299,
          2.5907,
          2.7711,
          2.9664,
          3.1724,
          3.3854,
          3.6024,
          3.8206,
          4.038,
          4.2528,
          4.4638
        ],
        "classification": [
          "parallel shift higher",
          "rotation towards puts",
          "wing steepening"
        ],
        "parallelShift": 3.053,
        "rotation": -1.75,
        "wingChange": 0.756,
        "rmsChange": 3.59
      }
    },
    {
      "label": "10JUL26",
      "expiry": 1783670400000,
      "tauYears": 0.05023022,
      "daysToExpiry": 18.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63302.8,
        "previous": 64300.36,
        "change": -997.56,
        "percentChange": -1.55
      },
      "atmIv": {
        "current": 38.64,
        "previous": 36.32,
        "change": 2.32,
        "percentChange": 6.39
      },
      "rr25": {
        "current": -8.2,
        "previous": -7.53,
        "change": -0.67,
        "percentChange": -8.9
      },
      "bf25": {
        "current": 2.7,
        "previous": 2.57,
        "change": 0.13,
        "percentChange": 5.06
      },
      "svi": {
        "a": {
          "current": -0.0685,
          "previous": -0.0614,
          "change": -0.0071,
          "percentChange": -11.49
        },
        "b": {
          "current": 0.1412,
          "previous": 0.1369,
          "change": 0.0043,
          "percentChange": 3.11
        },
        "rho": {
          "current": -0.0552,
          "previous": 0.002,
          "change": -0.0572,
          "percentChange": -2811.13
        },
        "m": {
          "current": 0.0736,
          "previous": 0.0948,
          "change": -0.0212,
          "percentChange": -22.37
        },
        "sigma": {
          "current": 0.5298,
          "previous": 0.4915,
          "change": 0.0384,
          "percentChange": 7.8
        }
      },
      "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": [
          71.8702,
          70.0171,
          68.1634,
          66.3109,
          64.4621,
          62.6195,
          60.7859,
          58.9647,
          57.1596,
          55.3747,
          53.6148,
          51.8852,
          50.1917,
          48.5411,
          46.9407,
          45.3985,
          43.9235,
          42.5254,
          41.2145,
          40.0018,
          38.8986,
          37.9165,
          37.0666,
          36.3596,
          35.8049,
          35.4103,
          35.1812,
          35.1206,
          35.2289,
          35.5033,
          35.9388,
          36.5278,
          37.261,
          38.1279,
          39.117,
          40.2167,
          41.4154,
          42.7019,
          44.0655,
          45.4965,
          46.9857
        ],
        "previous": [
          68.391,
          66.6193,
          64.8444,
          63.0682,
          61.2926,
          59.5203,
          57.7539,
          55.9966,
          54.2521,
          52.5247,
          50.819,
          49.1404,
          47.4952,
          45.8902,
          44.3332,
          42.833,
          41.3991,
          40.0422,
          38.7737,
          37.6058,
          36.5512,
          35.6229,
          34.8334,
          34.1946,
          33.7169,
          33.4086,
          33.2752,
          33.3193,
          33.5401,
          33.9335,
          34.4927,
          35.2082,
          36.0689,
          37.0626,
          38.1764,
          39.3974,
          40.7132,
          42.1119,
          43.5824,
          45.1147,
          46.6994
        ],
        "change": [
          3.4792,
          3.3978,
          3.319,
          3.2427,
          3.1695,
          3.0992,
          3.032,
          2.9681,
          2.9075,
          2.85,
          2.7958,
          2.7448,
          2.6965,
          2.6509,
          2.6075,
          2.5655,
          2.5244,
          2.4832,
          2.4408,
          2.396,
          2.3474,
          2.2936,
          2.2332,
          2.165,
          2.088,
          2.0017,
          1.906,
          1.8013,
          1.6888,
          1.5698,
          1.4461,
          1.3196,
          1.1921,
          1.0653,
          0.9406,
          0.8193,
          0.7022,
          0.59,
          0.4831,
          0.3818,
          0.2863
        ],
        "classification": [
          "parallel shift higher",
          "rotation towards puts"
        ],
        "parallelShift": 2.196,
        "rotation": -1.35,
        "wingChange": -0.226,
        "rmsChange": 2.3
      }
    },
    {
      "label": "31JUL26",
      "expiry": 1785484800000,
      "tauYears": 0.10776447,
      "daysToExpiry": 39.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63430.34,
        "previous": 64427.31,
        "change": -996.97,
        "percentChange": -1.55
      },
      "atmIv": {
        "current": 38.46,
        "previous": 37.03,
        "change": 1.43,
        "percentChange": 3.86
      },
      "rr25": {
        "current": -7.82,
        "previous": -7.67,
        "change": -0.15,
        "percentChange": -1.96
      },
      "bf25": {
        "current": 2.8,
        "previous": 2.67,
        "change": 0.13,
        "percentChange": 4.87
      },
      "svi": {
        "a": {
          "current": -0.0671,
          "previous": -0.0589,
          "change": -0.0081,
          "percentChange": -13.76
        },
        "b": {
          "current": 0.1638,
          "previous": 0.1587,
          "change": 0.0051,
          "percentChange": 3.2
        },
        "rho": {
          "current": 0.0902,
          "previous": 0.1388,
          "change": -0.0486,
          "percentChange": -35.01
        },
        "m": {
          "current": 0.1736,
          "previous": 0.191,
          "change": -0.0175,
          "percentChange": -9.15
        },
        "sigma": {
          "current": 0.4948,
          "previous": 0.457,
          "change": 0.0378,
          "percentChange": 8.27
        }
      },
      "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": [
          59.4636,
          58.3111,
          57.1593,
          56.0092,
          54.8622,
          53.7198,
          52.5836,
          51.4554,
          50.3374,
          49.2318,
          48.1412,
          47.0683,
          46.0163,
          44.9885,
          43.9888,
          43.021,
          42.0895,
          41.1991,
          40.3545,
          39.5611,
          38.824,
          38.1489,
          37.5412,
          37.0063,
          36.5493,
          36.1751,
          35.8879,
          35.6913,
          35.588,
          35.58,
          35.6682,
          35.8522,
          36.131,
          36.5025,
          36.9635,
          37.5103,
          38.1384,
          38.8431,
          39.6191,
          40.461,
          41.3633
        ],
        "previous": [
          57.6177,
          56.5079,
          55.3971,
          54.2862,
          53.1765,
          52.0694,
          50.9662,
          49.8687,
          48.7788,
          47.6987,
          46.6309,
          45.5779,
          44.5429,
          43.5291,
          42.5403,
          41.5806,
          40.6544,
          39.7665,
          38.922,
          38.1265,
          37.3858,
          36.7058,
          36.0927,
          35.5524,
          35.091,
          34.7141,
          34.4266,
          34.2329,
          34.1365,
          34.1399,
          34.2444,
          34.4501,
          34.7559,
          35.1596,
          35.658,
          36.2469,
          36.9214,
          37.6762,
          38.5055,
          39.4031,
          40.3632
        ],
        "change": [
          1.8459,
          1.8032,
          1.7622,
          1.723,
          1.6857,
          1.6504,
          1.6174,
          1.5867,
          1.5586,
          1.5331,
          1.5103,
          1.4904,
          1.4734,
          1.4594,
          1.4485,
          1.4404,
          1.4351,
          1.4326,
          1.4325,
          1.4346,
          1.4382,
          1.4431,
          1.4485,
          1.4539,
          1.4583,
          1.461,
          1.4613,
          1.4584,
          1.4515,
          1.4401,
          1.4238,
          1.4021,
          1.3751,
          1.3429,
          1.3055,
          1.2634,
          1.217,
          1.1669,
          1.1136,
          1.0579,
          1.0001
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 1.457,
        "rotation": -0.087,
        "wingChange": 0.029,
        "rmsChange": 1.462
      }
    },
    {
      "label": "28AUG26",
      "expiry": 1787904000000,
      "tauYears": 0.18447679,
      "daysToExpiry": 67.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63648.08,
        "previous": 64638.19,
        "change": -990.11,
        "percentChange": -1.53
      },
      "atmIv": {
        "current": 38.44,
        "previous": 37.67,
        "change": 0.77,
        "percentChange": 2.04
      },
      "rr25": {
        "current": -6.94,
        "previous": -6.63,
        "change": -0.31,
        "percentChange": -4.68
      },
      "bf25": {
        "current": 2.76,
        "previous": 2.63,
        "change": 0.13,
        "percentChange": 4.94
      },
      "svi": {
        "a": {
          "current": -0.1169,
          "previous": -0.1317,
          "change": 0.0148,
          "percentChange": 11.27
        },
        "b": {
          "current": 0.2065,
          "previous": 0.2149,
          "change": -0.0084,
          "percentChange": -3.91
        },
        "rho": {
          "current": -0.0346,
          "previous": -0.0066,
          "change": -0.028,
          "percentChange": -422.63
        },
        "m": {
          "current": 0.1344,
          "previous": 0.1504,
          "change": -0.016,
          "percentChange": -10.61
        },
        "sigma": {
          "current": 0.6833,
          "previous": 0.7229,
          "change": -0.0395,
          "percentChange": -5.47
        }
      },
      "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": [
          53.8103,
          52.9223,
          52.0411,
          51.1678,
          50.3032,
          49.4487,
          48.6055,
          47.7748,
          46.9582,
          46.157,
          45.3729,
          44.6075,
          43.8626,
          43.1399,
          42.4415,
          41.7693,
          41.1252,
          40.5114,
          39.9299,
          39.3828,
          38.8722,
          38.4002,
          37.9688,
          37.5798,
          37.235,
          36.936,
          36.6842,
          36.481,
          36.3272,
          36.2236,
          36.1708,
          36.1688,
          36.2175,
          36.3166,
          36.4654,
          36.663,
          36.9083,
          37.1997,
          37.5358,
          37.9148,
          38.3348
        ],
        "previous": [
          52.6668,
          51.7948,
          50.93,
          50.0732,
          49.2256,
          48.3883,
          47.5625,
          46.7495,
          45.9507,
          45.1676,
          44.4016,
          43.6543,
          42.9276,
          42.2231,
          41.5428,
          40.8884,
          40.262,
          39.6657,
          39.1013,
          38.5709,
          38.0767,
          37.6206,
          37.2044,
          36.8302,
          36.4995,
          36.2141,
          35.9752,
          35.7842,
          35.642,
          35.5494,
          35.5069,
          35.5147,
          35.5726,
          35.6805,
          35.8376,
          36.0431,
          36.2959,
          36.5948,
          36.9381,
          37.3242,
          37.7513
        ],
        "change": [
          1.1435,
          1.1275,
          1.1111,
          1.0946,
          1.0776,
          1.0604,
          1.043,
          1.0253,
          1.0075,
          0.9894,
          0.9713,
          0.9532,
          0.935,
          0.9168,
          0.8987,
          0.8809,
          0.8632,
          0.8457,
          0.8286,
          0.8119,
          0.7955,
          0.7796,
          0.7644,
          0.7496,
          0.7355,
          0.7219,
          0.709,
          0.6968,
          0.6852,
          0.6742,
          0.6639,
          0.6541,
          0.6449,
          0.6361,
          0.6278,
          0.6199,
          0.6124,
          0.6049,
          0.5977,
          0.5906,
          0.5835
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 0.81,
        "rotation": -0.307,
        "wingChange": 0.022,
        "rmsChange": 0.841
      }
    },
    {
      "label": "25SEP26",
      "expiry": 1790323200000,
      "tauYears": 0.26118912,
      "daysToExpiry": 95.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 63870.72,
        "previous": 64854.17,
        "change": -983.45,
        "percentChange": -1.52
      },
      "atmIv": {
        "current": 39.03,
        "previous": 38.41,
        "change": 0.62,
        "percentChange": 1.61
      },
      "rr25": {
        "current": -6.1,
        "previous": -6.18,
        "change": 0.08,
        "percentChange": 1.29
      },
      "bf25": {
        "current": 2.76,
        "previous": 2.66,
        "change": 0.1,
        "percentChange": 3.76
      },
      "svi": {
        "a": {
          "current": -0.1224,
          "previous": -0.1535,
          "change": 0.0311,
          "percentChange": 20.24
        },
        "b": {
          "current": 0.219,
          "previous": 0.235,
          "change": -0.016,
          "percentChange": -6.8
        },
        "rho": {
          "current": -0.0896,
          "previous": -0.074,
          "change": -0.0156,
          "percentChange": -21.05
        },
        "m": {
          "current": 0.1053,
          "previous": 0.1182,
          "change": -0.0129,
          "percentChange": -10.9
        },
        "sigma": {
          "current": 0.7279,
          "previous": 0.8055,
          "change": -0.0776,
          "percentChange": -9.63
        }
      },
      "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": [
          51.0285,
          50.3223,
          49.6239,
          48.9341,
          48.2537,
          47.5838,
          46.9251,
          46.2787,
          45.6455,
          45.0267,
          44.4233,
          43.8364,
          43.2672,
          42.7168,
          42.1865,
          41.6775,
          41.1909,
          40.7281,
          40.2901,
          39.8782,
          39.4935,
          39.1372,
          38.8102,
          38.5135,
          38.2481,
          38.0148,
          37.8141,
          37.6468,
          37.5134,
          37.414,
          37.349,
          37.3185,
          37.3223,
          37.3602,
          37.432,
          37.5371,
          37.675,
          37.8449,
          38.0461,
          38.2777,
          38.5386
        ],
        "previous": [
          50.4107,
          49.7062,
          49.0096,
          48.3218,
          47.6436,
          46.9758,
          46.3193,
          45.6749,
          45.0437,
          44.4266,
          43.8246,
          43.2388,
          42.6702,
          42.12,
          41.5893,
          41.0792,
          40.5908,
          40.1254,
          39.684,
          39.2678,
          38.8778,
          38.5151,
          38.1808,
          37.8758,
          37.6009,
          37.3571,
          37.145,
          36.9653,
          36.8185,
          36.705,
          36.625,
          36.5788,
          36.5664,
          36.5877,
          36.6424,
          36.7303,
          36.8509,
          37.0035,
          37.1876,
          37.4023,
          37.6468
        ],
        "change": [
          0.6178,
          0.6161,
          0.6143,
          0.6123,
          0.6101,
          0.608,
          0.6058,
          0.6038,
          0.6018,
          0.6001,
          0.5987,
          0.5976,
          0.597,
          0.5968,
          0.5972,
          0.5983,
          0.6001,
          0.6027,
          0.6061,
          0.6104,
          0.6157,
          0.6221,
          0.6294,
          0.6377,
          0.6472,
          0.6577,
          0.6691,
          0.6815,
          0.6949,
          0.709,
          0.724,
          0.7397,
          0.7559,
          0.7725,
          0.7896,
          0.8068,
          0.8241,
          0.8414,
          0.8585,
          0.8754,
          0.8918
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 0.646,
        "rotation": 0.125,
        "wingChange": 0.046,
        "rmsChange": 0.678
      }
    },
    {
      "label": "25DEC26",
      "expiry": 1798185600000,
      "tauYears": 0.51050419,
      "daysToExpiry": 186.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 64522.65,
        "previous": 65532.03,
        "change": -1009.38,
        "percentChange": -1.54
      },
      "atmIv": {
        "current": 41.84,
        "previous": 41.56,
        "change": 0.28,
        "percentChange": 0.67
      },
      "rr25": {
        "current": -4.89,
        "previous": -4.9,
        "change": 0.01,
        "percentChange": 0.2
      },
      "bf25": {
        "current": 2.85,
        "previous": 2.76,
        "change": 0.09,
        "percentChange": 3.26
      },
      "svi": {
        "a": {
          "current": -0.2459,
          "previous": -0.2472,
          "change": 0.0012,
          "percentChange": 0.5
        },
        "b": {
          "current": 0.3209,
          "previous": 0.3187,
          "change": 0.0022,
          "percentChange": 0.68
        },
        "rho": {
          "current": -0.2666,
          "previous": -0.2749,
          "change": 0.0083,
          "percentChange": 3.02
        },
        "m": {
          "current": -0.0744,
          "previous": -0.083,
          "change": 0.0086,
          "percentChange": 10.38
        },
        "sigma": {
          "current": 1.0701,
          "previous": 1.0812,
          "change": -0.0111,
          "percentChange": -1.03
        }
      },
      "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": [
          49.3431,
          48.8956,
          48.4568,
          48.0271,
          47.6068,
          47.1963,
          46.7959,
          46.406,
          46.0268,
          45.6588,
          45.3022,
          44.9573,
          44.6246,
          44.3042,
          43.9965,
          43.7017,
          43.4202,
          43.1521,
          42.8978,
          42.6574,
          42.4311,
          42.2192,
          42.0217,
          41.8389,
          41.6709,
          41.5177,
          41.3795,
          41.2563,
          41.1481,
          41.055,
          40.9769,
          40.9138,
          40.8656,
          40.8323,
          40.8137,
          40.8098,
          40.8203,
          40.8451,
          40.8839,
          40.9367,
          41.0032
        ],
        "previous": [
          49.0135,
          48.5696,
          48.1343,
          47.708,
          47.291,
          46.8836,
          46.4863,
          46.0992,
          45.7228,
          45.3573,
          45.0031,
          44.6605,
          44.3298,
          44.0112,
          43.7051,
          43.4117,
          43.1313,
          42.8641,
          42.6104,
          42.3703,
          42.1442,
          41.9321,
          41.7342,
          41.5506,
          41.3816,
          41.2271,
          41.0873,
          40.9622,
          40.8518,
          40.7562,
          40.6753,
          40.6092,
          40.5577,
          40.5207,
          40.4982,
          40.4901,
          40.4961,
          40.5162,
          40.5501,
          40.5976,
          40.6586
        ],
        "change": [
          0.3296,
          0.326,
          0.3225,
          0.3191,
          0.3158,
          0.3127,
          0.3096,
          0.3068,
          0.304,
          0.3015,
          0.2991,
          0.2968,
          0.2948,
          0.293,
          0.2914,
          0.29,
          0.2889,
          0.288,
          0.2874,
          0.2871,
          0.2869,
          0.2871,
          0.2875,
          0.2883,
          0.2893,
          0.2906,
          0.2922,
          0.2941,
          0.2963,
          0.2988,
          0.3016,
          0.3046,
          0.3079,
          0.3116,
          0.3155,
          0.3197,
          0.3242,
          0.3289,
          0.3338,
          0.3391,
          0.3446
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 0.296,
        "rotation": 0.003,
        "wingChange": 0.013,
        "rmsChange": 0.305
      }
    },
    {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "tauYears": 0.75981925,
      "daysToExpiry": 277.334,
      "expiryClassification": "standard",
      "rankingEligible": true,
      "forward": {
        "current": 65213.29,
        "previous": 66227.41,
        "change": -1014.12,
        "percentChange": -1.53
      },
      "atmIv": {
        "current": 42.84,
        "previous": 42.64,
        "change": 0.2,
        "percentChange": 0.47
      },
      "rr25": {
        "current": -4.2,
        "previous": -4.24,
        "change": 0.04,
        "percentChange": 0.94
      },
      "bf25": {
        "current": 2.98,
        "previous": 2.94,
        "change": 0.04,
        "percentChange": 1.36
      },
      "svi": {
        "a": {
          "current": -0.1912,
          "previous": -0.2407,
          "change": 0.0495,
          "percentChange": 20.56
        },
        "b": {
          "current": 0.3274,
          "previous": 0.3541,
          "change": -0.0267,
          "percentChange": -7.55
        },
        "rho": {
          "current": -0.2811,
          "previous": -0.3089,
          "change": 0.0278,
          "percentChange": 9.01
        },
        "m": {
          "current": -0.0563,
          "previous": -0.1104,
          "change": 0.0541,
          "percentChange": 49.04
        },
        "sigma": {
          "current": 1.038,
          "previous": 1.1124,
          "change": -0.0744,
          "percentChange": -6.69
        }
      },
      "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": [
          48.7027,
          48.3678,
          48.0397,
          47.7185,
          47.4044,
          47.0978,
          46.7987,
          46.5074,
          46.2241,
          45.949,
          45.6823,
          45.4242,
          45.1748,
          44.9344,
          44.7032,
          44.4812,
          44.2686,
          44.0657,
          43.8724,
          43.6889,
          43.5154,
          43.3519,
          43.1985,
          43.0554,
          42.9224,
          42.7998,
          42.6875,
          42.5855,
          42.4939,
          42.4126,
          42.3417,
          42.2811,
          42.2307,
          42.1906,
          42.1606,
          42.1406,
          42.1306,
          42.1304,
          42.14,
          42.1592,
          42.1879
        ],
        "previous": [
          48.529,
          48.1902,
          47.8585,
          47.5341,
          47.2171,
          46.9078,
          46.6064,
          46.313,
          46.0279,
          45.7511,
          45.483,
          45.2237,
          44.9733,
          44.732,
          44.5,
          44.2773,
          44.0641,
          43.8606,
          43.6668,
          43.4829,
          43.309,
          43.145,
          42.9912,
          42.8475,
          42.714,
          42.5907,
          42.4777,
          42.3749,
          42.2824,
          42.2002,
          42.1281,
          42.0663,
          42.0146,
          41.9729,
          41.9413,
          41.9195,
          41.9076,
          41.9055,
          41.9129,
          41.9298,
          41.9561
        ],
        "change": [
          0.1737,
          0.1776,
          0.1812,
          0.1844,
          0.1873,
          0.19,
          0.1923,
          0.1944,
          0.1962,
          0.1979,
          0.1993,
          0.2005,
          0.2015,
          0.2024,
          0.2032,
          0.2039,
          0.2045,
          0.2051,
          0.2056,
          0.206,
          0.2064,
          0.2069,
          0.2073,
          0.2079,
          0.2084,
          0.2091,
          0.2098,
          0.2106,
          0.2115,
          0.2124,
          0.2136,
          0.2148,
          0.2161,
          0.2177,
          0.2193,
          0.2211,
          0.223,
          0.2249,
          0.2271,
          0.2294,
          0.2318
        ],
        "classification": [
          "parallel shift higher"
        ],
        "parallelShift": 0.206,
        "rotation": 0.014,
        "wingChange": 0.0,
        "rmsChange": 0.206
      }
    }
  ],
  "events": [
    {
      "type": "rotation",
      "title": "Largest eligible smile rotation",
      "label": "24JUN26",
      "value": -5.804,
      "score": 5.804,
      "unit": "volatility points"
    },
    {
      "type": "atmIv",
      "title": "Largest standard-tenor ATM IV move",
      "label": "1W",
      "value": 3.82,
      "score": 3.82,
      "unit": "volatility points"
    },
    {
      "type": "rr25",
      "title": "Largest standard-tenor RR25 move",
      "label": "1W",
      "value": -1.52,
      "score": 1.52,
      "unit": "volatility points"
    },
    {
      "type": "bf25",
      "title": "Largest standard-tenor BF25 move",
      "label": "1W",
      "value": 0.48,
      "score": 0.48,
      "unit": "volatility points"
    },
    {
      "type": "sigma",
      "title": "Largest eligible SVI sigma move",
      "label": "3JUL26",
      "value": -0.0854,
      "score": 0.0854,
      "unit": "parameter units"
    },
    {
      "type": "rho",
      "title": "Largest eligible SVI rho move",
      "label": "10JUL26",
      "value": -0.0572,
      "score": 0.0572,
      "unit": "parameter units"
    }
  ],
  "expiryEffects": [
    {
      "label": "22JUN26",
      "daysToExpiry": 0.334,
      "metric": "Smile rotation",
      "value": -22.744,
      "unit": "volatility points",
      "context": "Excluded from headline rankings because the contract has fewer than the configured full days to expiry."
    },
    {
      "label": "23JUN26",
      "daysToExpiry": 1.334,
      "metric": "Smile rotation",
      "value": -12.346,
      "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": 222.85951954,
      "metric": "vega",
      "availability": "available"
    },
    "highestGamma": {
      "label": "22JUN26",
      "expiry": 1782115200000,
      "value": 0.00043798314,
      "metric": "gamma",
      "availability": "available"
    },
    "highestThetaDecay": {
      "label": "22JUN26",
      "expiry": 1782115200000,
      "value": -543.90372727,
      "metric": "theta",
      "availability": "available"
    },
    "highestVanna": {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "value": 0.0017087,
      "metric": "vanna",
      "availability": "available"
    },
    "highestVolga": {
      "label": "26MAR27",
      "expiry": 1806048000000,
      "value": -18.13555932,
      "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": "22JUN26",
        "values": [
          142.8655,
          136.2624,
          129.6231,
          122.9526,
          116.2566,
          109.541,
          102.8128,
          96.0791,
          89.3482,
          82.6289,
          75.9311,
          69.2665,
          62.6486,
          56.0945,
          49.6266,
          43.2769,
          37.0948,
          31.1615,
          25.6212,
          20.7362,
          16.9647,
          14.9569,
          15.23,
          17.6627,
          21.5885,
          26.3446,
          31.5136,
          36.8731,
          42.3081,
          47.7575,
          53.1873,
          58.5774,
          63.9157,
          69.1946,
          74.4094,
          79.5571,
          84.6362,
          89.6457,
          94.5856,
          99.456,
          104.2575
        ]
      },
      {
        "label": "23JUN26",
        "values": [
          37.3312,
          35.9174,
          34.5077,
          33.1038,
          31.7072,
          30.32,
          28.944,
          27.5816,
          26.2349,
          24.9069,
          23.6002,
          22.3181,
          21.064,
          19.8415,
          18.654,
          17.5048,
          16.3957,
          15.3262,
          14.2926,
          13.2884,
          12.3102,
          11.3718,
          10.5182,
          9.8222,
          9.3533,
          9.1471,
          9.1976,
          9.4733,
          9.933,
          10.5376,
          11.2537,
          12.0552,
          12.9213,
          13.8363,
          14.7884,
          15.7681,
          16.7683,
          17.7834,
          18.8088,
          19.8412,
          20.8776
        ]
      },
      {
        "label": "24JUN26",
        "values": [
          29.5791,
          28.6292,
          27.6571,
          26.6631,
          25.6473,
          24.6106,
          23.5537,
          22.478,
          21.3858,
          20.2796,
          19.1628,
          18.0401,
          16.9172,
          15.8015,
          14.7021,
          13.631,
          12.6031,
          11.6375,
          10.7577,
          9.9926,
          9.3748,
          8.9378,
          8.7103,
          8.7076,
          8.9269,
          9.3478,
          9.9389,
          10.6655,
          11.4952,
          12.4004,
          13.3592,
          14.3545,
          15.3728,
          16.4044,
          17.4415,
          18.4784,
          19.5105,
          20.5346,
          21.5483,
          22.5497,
          23.5374
        ]
      },
      {
        "label": "26JUN26",
        "values": [
          12.4115,
          12.0522,
          11.689,
          11.3221,
          10.952,
          10.5793,
          10.2045,
          9.8285,
          9.4524,
          9.0772,
          8.7048,
          8.3368,
          7.9755,
          7.6236,
          7.2841,
          6.9608,
          6.6576,
          6.3794,
          6.1309,
          5.9173,
          5.7439,
          5.6152,
          5.5357,
          5.5086,
          5.5362,
          5.6188,
          5.7552,
          5.942,
          6.1747,
          6.448,
          6.7562,
          7.0938,
          7.4558,
          7.8375,
          8.2351,
          8.6452,
          9.0648,
          9.4918,
          9.9237,
          10.3591,
          10.7964
        ]
      },
      {
        "label": "3JUL26",
        "values": [
          5.0219,
          4.9789,
          4.9276,
          4.8678,
          4.7988,
          4.7206,
          4.6325,
          4.5345,
          4.4264,
          4.3081,
          4.1796,
          4.0413,
          3.8935,
          3.7371,
          3.5732,
          3.4031,
          3.2287,
          3.0527,
          2.878,
          2.7084,
          2.5485,
          2.403,
          2.2775,
          2.1775,
          2.1077,
          2.0722,
          2.0734,
          2.1117,
          2.186,
          2.2934,
          2.4299,
          2.5907,
          2.7711,
          2.9664,
          3.1724,
          3.3854,
          3.6024,
          3.8206,
          4.038,
          4.2528,
          4.4638
        ]
      },
      {
        "label": "10JUL26",
        "values": [
          3.4792,
          3.3978,
          3.319,
          3.2427,
          3.1695,
          3.0992,
          3.032,
          2.9681,
          2.9075,
          2.85,
          2.7958,
          2.7448,
          2.6965,
          2.6509,
          2.6075,
          2.5655,
          2.5244,
          2.4832,
          2.4408,
          2.396,
          2.3474,
          2.2936,
          2.2332,
          2.165,
          2.088,
          2.0017,
          1.906,
          1.8013,
          1.6888,
          1.5698,
          1.4461,
          1.3196,
          1.1921,
          1.0653,
          0.9406,
          0.8193,
          0.7022,
          0.59,
          0.4831,
          0.3818,
          0.2863
        ]
      },
      {
        "label": "31JUL26",
        "values": [
          1.8459,
          1.8032,
          1.7622,
          1.723,
          1.6857,
          1.6504,
          1.6174,
          1.5867,
          1.5586,
          1.5331,
          1.5103,
          1.4904,
          1.4734,
          1.4594,
          1.4485,
          1.4404,
          1.4351,
          1.4326,
          1.4325,
          1.4346,
          1.4382,
          1.4431,
          1.4485,
          1.4539,
          1.4583,
          1.461,
          1.4613,
          1.4584,
          1.4515,
          1.4401,
          1.4238,
          1.4021,
          1.3751,
          1.3429,
          1.3055,
          1.2634,
          1.217,
          1.1669,
          1.1136,
          1.0579,
          1.0001
        ]
      },
      {
        "label": "28AUG26",
        "values": [
          1.1435,
          1.1275,
          1.1111,
          1.0946,
          1.0776,
          1.0604,
          1.043,
          1.0253,
          1.0075,
          0.9894,
          0.9713,
          0.9532,
          0.935,
          0.9168,
          0.8987,
          0.8809,
          0.8632,
          0.8457,
          0.8286,
          0.8119,
          0.7955,
          0.7796,
          0.7644,
          0.7496,
          0.7355,
          0.7219,
          0.709,
          0.6968,
          0.6852,
          0.6742,
          0.6639,
          0.6541,
          0.6449,
          0.6361,
          0.6278,
          0.6199,
          0.6124,
          0.6049,
          0.5977,
          0.5906,
          0.5835
        ]
      },
      {
        "label": "25SEP26",
        "values": [
          0.6178,
          0.6161,
          0.6143,
          0.6123,
          0.6101,
          0.608,
          0.6058,
          0.6038,
          0.6018,
          0.6001,
          0.5987,
          0.5976,
          0.597,
          0.5968,
          0.5972,
          0.5983,
          0.6001,
          0.6027,
          0.6061,
          0.6104,
          0.6157,
          0.6221,
          0.6294,
          0.6377,
          0.6472,
          0.6577,
          0.6691,
          0.6815,
          0.6949,
          0.709,
          0.724,
          0.7397,
          0.7559,
          0.7725,
          0.7896,
          0.8068,
          0.8241,
          0.8414,
          0.8585,
          0.8754,
          0.8918
        ]
      },
      {
        "label": "25DEC26",
        "values": [
          0.3296,
          0.326,
          0.3225,
          0.3191,
          0.3158,
          0.3127,
          0.3096,
          0.3068,
          0.304,
          0.3015,
          0.2991,
          0.2968,
          0.2948,
          0.293,
          0.2914,
          0.29,
          0.2889,
          0.288,
          0.2874,
          0.2871,
          0.2869,
          0.2871,
          0.2875,
          0.2883,
          0.2893,
          0.2906,
          0.2922,
          0.2941,
          0.2963,
          0.2988,
          0.3016,
          0.3046,
          0.3079,
          0.3116,
          0.3155,
          0.3197,
          0.3242,
          0.3289,
          0.3338,
          0.3391,
          0.3446
        ]
      },
      {
        "label": "26MAR27",
        "values": [
          0.1737,
          0.1776,
          0.1812,
          0.1844,
          0.1873,
          0.19,
          0.1923,
          0.1944,
          0.1962,
          0.1979,
          0.1993,
          0.2005,
          0.2015,
          0.2024,
          0.2032,
          0.2039,
          0.2045,
          0.2051,
          0.2056,
          0.206,
          0.2064,
          0.2069,
          0.2073,
          0.2079,
          0.2084,
          0.2091,
          0.2098,
          0.2106,
          0.2115,
          0.2124,
          0.2136,
          0.2148,
          0.2161,
          0.2177,
          0.2193,
          0.2211,
          0.223,
          0.2249,
          0.2271,
          0.2294,
          0.2318
        ]
      }
    ]
  }
}
