BTC Options Average Mark IV
Open-interest-weighted average mark implied volatility across listed BTC options.
Observation timeline
market observations · selected coverage below
Displayed coverage: 22 Aug 2026 to 13 Oct 2026. MAX means all available stored observations, not a promise of ten years for every asset. Observation dates are spaced by elapsed time. Lines connect available observations; intermediate values are unknown.
Accessible recent observations
| Date (UTC) | Value | Provider |
|---|---|---|
| 13 Oct 2026 00:45 | 42.961 % | Deribit |
| 13 Oct 2026 00:30 | 43.101 % | Deribit |
| 13 Oct 2026 00:15 | 43.016 % | Deribit |
| 13 Oct 2026 00:10 | 43.025 % | Deribit |
| 13 Oct 2026 00:00 | 42.975 % | Deribit |
| 12 Oct 2026 23:45 | 42.964 % | Deribit |
| 12 Oct 2026 23:30 | 42.905 % | Deribit |
| 12 Oct 2026 23:15 | 42.891 % | Deribit |
| 12 Oct 2026 23:00 | 42.734 % | Deribit |
| 12 Oct 2026 22:45 | 42.683 % | Deribit |
| 12 Oct 2026 22:30 | 42.675 % | Deribit |
| 12 Oct 2026 22:15 | 42.67 % | Deribit |
| 12 Oct 2026 22:00 | 42.683 % | Deribit |
| 12 Oct 2026 21:45 | 42.602 % | Deribit |
| 12 Oct 2026 21:30 | 42.577 % | Deribit |
| 12 Oct 2026 21:15 | 42.579 % | Deribit |
| 12 Oct 2026 21:00 | 42.508 % | Deribit |
| 12 Oct 2026 20:45 | 42.464 % | Deribit |
| 12 Oct 2026 20:30 | 42.459 % | Deribit |
| 12 Oct 2026 20:15 | 42.458 % | Deribit |
Primary source: open provider source ↗
What this chart does — and does not — claim.
Values are provider observations stored with their original observation dates. Missing dates are not interpolated. A plotted line connects available observations for visual orientation; it is not a claim that unobserved intermediate values are known.
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Historical series support context; published conclusions remain behind the separate evidence and human-review workflow.