{"schemaVersion":1,"asset":"AVAX","reportDate":"2026-09-18","timestamps":{"currentSnapshotAt":"2026-09-18T16:30:00+00:00","previousSnapshotAt":"2026-09-17T16:30:00+00:00","generatedAt":"2026-09-18T16:31:48+00:00"},"comparison":{"status":"available","note":null},"provenance":{"reportArtifact":"published daily report","sourceReport":"ALTS","sourceReportHref":"/reports/altcoins/2026-09-18","source":"Stored Derivasys SVI surfaces","comparison":"Latest successful snapshot at or before the common cutoff versus the nearest successful snapshot 24 hours earlier, within a three-hour tolerance.","rrConvention":"25-delta risk reversal","bfConvention":"25-delta butterfly","fixedTenors":"Published ALTS tenor grid","realisedVolatility":null},"tenors":[{"tenor":"1W","targetExpiry":null,"availability":"available","unavailableReason":null,"atmIv":{"current":56.12,"previous":56.75,"change":-0.63,"percentChange":-1.11},"rr25":{"current":1.65,"previous":1.47,"change":0.18,"percentChange":12.24},"bf25":{"current":3.63,"previous":4.17,"change":-0.54,"percentChange":-12.95}},{"tenor":"2W","targetExpiry":null,"availability":"available","unavailableReason":null,"atmIv":{"current":56.55,"previous":57.29,"change":-0.74,"percentChange":-1.29},"rr25":{"current":1.93,"previous":1.02,"change":0.91,"percentChange":89.22},"bf25":{"current":3.85,"previous":4.2,"change":-0.35,"percentChange":-8.33}},{"tenor":"1M","targetExpiry":null,"availability":"available","unavailableReason":null,"atmIv":{"current":56.3,"previous":57.79,"change":-1.49,"percentChange":-2.58},"rr25":{"current":2.22,"previous":2.01,"change":0.21,"percentChange":10.45},"bf25":{"current":4.18,"previous":4.37,"change":-0.19,"percentChange":-4.35}},{"tenor":"3M","targetExpiry":null,"availability":"available","unavailableReason":null,"atmIv":{"current":57.01,"previous":58.15,"change":-1.14,"percentChange":-1.96},"rr25":{"current":1.72,"previous":1.75,"change":-0.03,"percentChange":-1.71},"bf25":{"current":4.32,"previous":4.33,"change":-0.01,"percentChange":-0.23}},{"tenor":"6M","targetExpiry":null,"availability":"unavailable","unavailableReason":"The target tenor is not bracketed by listed expiries; extrapolated values are suppressed.","atmIv":{"current":null,"previous":null,"change":null,"percentChange":null},"rr25":{"current":null,"previous":null,"change":null,"percentChange":null},"bf25":{"current":null,"previous":null,"change":null,"percentChange":null}},{"tenor":"9M","targetExpiry":null,"availability":"unavailable","unavailableReason":"The target tenor is not bracketed by listed expiries; extrapolated values are suppressed.","atmIv":{"current":null,"previous":null,"change":null,"percentChange":null},"rr25":{"current":null,"previous":null,"change":null,"percentChange":null},"bf25":{"current":null,"previous":null,"change":null,"percentChange":null}},{"tenor":"1Y","targetExpiry":null,"availability":"unavailable","unavailableReason":"The target tenor is not bracketed by listed expiries; extrapolated values are suppressed.","atmIv":{"current":null,"previous":null,"change":null,"percentChange":null},"rr25":{"current":null,"previous":null,"change":null,"percentChange":null},"bf25":{"current":null,"previous":null,"change":null,"percentChange":null}}],"realisedVolatility":null,"realisedVolatilityUnavailableReason":"Canonical AVAX index coverage for 7d is incomplete: expected 10080 one-minute returns, found 10042 (99.6230% coverage); returns spanning missing minutes are excluded"}