IBIT volatility iShares Bitcoin Trust ETF
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.36.8%
HV20How much the stock actually moved, measured from daily closing prices over a past window (annualized). Compare with implied volatility to see what the options market priced versus what happened.29.8%
HV6036.9%
IV − HV20 spread
+7.0pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
45
Own-history percentileWhere today's IV30 sits versus its own daily history — 80 means higher than roughly 80% of recorded observations for that period.
28/60 days recorded
Cboe delayed options data · as of 18:38 UTC · How these are computed
IV term structure
At-the-money implied volatility for each listed expiration, plotted by days remaining.
| Expires | DTE | ATM IV | 25Δ skewThe IV gap between 25-delta puts and 25-delta calls for one expiration. Positive skew means downside protection is priced richer than upside exposure. | Implied move |
|---|---|---|---|---|
| Oct 19, 2026 | 0 | 39.5% | -1.4pt | ±0.6% |
| Oct 20, 2026 | 1 | 34.0% | +2.8pt | ±1.5% |
| Oct 21, 2026 | 2 | 34.6% | +2.0pt | ±2.1% |
| Oct 22, 2026 | 3 | 34.0% | +2.4pt | ±2.5% |
| Oct 23, 2026 | 4 | 34.2% | +2.6pt | ±2.9% |
| Oct 26, 2026 | 7 | 31.9% | +2.2pt | ±3.6% |
| Oct 27, 2026 | 8 | 32.5% | +2.8pt | ±3.9% |
| Oct 28, 2026 | 9 | 33.5% | +3.0pt | ±4.2% |
| Oct 29, 2026 | 10 | 34.2% | +3.2pt | ±4.6% |
| Oct 30, 2026 | 11 | 34.7% | +2.6pt | ±4.9% |
| Nov 02, 2026 | 14 | 34.9% | +3.0pt | ±5.5% |
| Nov 06, 2026 | 18 | 37.2% | +3.3pt | ±6.6% |
| Nov 13, 2026 | 25 | 36.9% | +3.1pt | ±7.7% |
| Nov 20, 2026 | 32 | 36.8% | +3.0pt | ±8.7% |
| Nov 27, 2026 | 39 | 36.5% | +2.6pt | ±9.6% |
| Nov 30, 2026 | 42 | 36.3% | +2.5pt | ±9.8% |
Volatility smile — Nov 20, 2026
Implied volatility by strike. The tilt toward puts (left side higher) is the skew: downside protection priced richer than upside.
callsputs
Implied vs realized, daily record
IV30HV20