{"schemaVersion":1,"asset":"XRP","reportDate":"2026-09-20","timestamps":{"currentSnapshotAt":"2026-09-20T16:30:00+00:00","previousSnapshotAt":"2026-09-19T16:30:00+00:00","generatedAt":"2026-09-20T16:32:37+00:00"},"comparison":{"status":"available","note":null},"provenance":{"reportArtifact":"published daily report","sourceReport":"ALTS","sourceReportHref":"/reports/altcoins/2026-09-20","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":61.88,"previous":60.29,"change":1.59,"percentChange":2.64},"rr25":{"current":5.53,"previous":0.54,"change":4.99,"percentChange":924.07},"bf25":{"current":4.81,"previous":5.3,"change":-0.49,"percentChange":-9.25}},{"tenor":"2W","targetExpiry":null,"availability":"available","unavailableReason":null,"atmIv":{"current":59.75,"previous":59.25,"change":0.5,"percentChange":0.84},"rr25":{"current":4.96,"previous":0.97,"change":3.99,"percentChange":411.34},"bf25":{"current":4.84,"previous":5.21,"change":-0.37,"percentChange":-7.1}},{"tenor":"1M","targetExpiry":null,"availability":"available","unavailableReason":null,"atmIv":{"current":58.48,"previous":58.17,"change":0.31,"percentChange":0.53},"rr25":{"current":2.59,"previous":1.95,"change":0.64,"percentChange":32.82},"bf25":{"current":4.75,"previous":4.71,"change":0.04,"percentChange":0.85}},{"tenor":"3M","targetExpiry":null,"availability":"available","unavailableReason":null,"atmIv":{"current":56.92,"previous":57.13,"change":-0.21,"percentChange":-0.37},"rr25":{"current":2.93,"previous":3.01,"change":-0.08,"percentChange":-2.66},"bf25":{"current":5.11,"previous":5.07,"change":0.04,"percentChange":0.79}},{"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":{"source":"canonical/XRP-USDC-INDEX (DERIBIT and OKX indexes)","samplingInterval":"1 minute","annualizationBasis":"365 days","windowEnd":"2026-09-20T16:30:00+00:00","spotMove24hPercent":-2.11,"rv24hPercent":57.91,"rv7dPercent":80.68,"rv30dPercent":90.55,"observations":{"24h":1440,"7d":10042,"30d":43162},"coverage":{"24h":{"status":"complete","observedReturns":1440,"expectedReturns":1440,"coveragePercent":100,"largestMissingRunMinutes":0,"unavailableReason":null},"7d":{"status":"partial","observedReturns":10042,"expectedReturns":10080,"coveragePercent":99.623,"largestMissingRunMinutes":37,"unavailableReason":null},"30d":{"status":"partial","observedReturns":43162,"expectedReturns":43200,"coveragePercent":99.912,"largestMissingRunMinutes":37,"unavailableReason":null}},"coveragePolicy":{"version":"observed-minute-returns-v1","minimumCoveragePercent":99.5,"maximumMissingRunMinutes":60,"methodology":"Each RV window qualifies independently. RV annualises the mean squared observed one-minute log return; returns spanning gaps are excluded, not interpolated or zero-filled. Partial estimates assume observed minutes are representative and may miss volatility during gaps."},"oneWeekAtmIvPercent":61.88,"oneWeekIvMinus7dRvPoints":-18.8,"oneWeekIvMinus24hRvPoints":3.97,"oneWeekIvMinus30dRvPoints":-28.67,"oneWeekIvTo7dRvRatio":null,"spreadPercentile":null,"spotUnavailableReason":null},"realisedVolatilityUnavailableReason":null}