WMB volatility The Williams Companies, Inc.
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.28.1%
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.30.4%
HV6027.0%
IV − HV20 spread
-2.3pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
37
Own-history percentileWhere today's IV30 sits versus its own daily history — 80 means higher than roughly 80% of recorded observations for that period.
3/60 days recorded
Cboe delayed options data · as of 18:39 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 |
|---|---|---|---|---|
| Sep 04, 2026 | 1 | 35.9% | +1.7pt | ±1.7% |
| Sep 11, 2026 | 8 | 26.6% | +1.7pt | ±3.6% |
| Sep 18, 2026 | 15 | 27.3% | +1.4pt | ±4.6% |
| Sep 25, 2026 | 22 | 29.5% | +1.0pt | ±5.9% |
| Oct 02, 2026 | 29 | 28.3% | +1.7pt | ±6.4% |
| Oct 09, 2026 | 36 | 27.1% | +0.5pt | ±6.9% |
| Oct 16, 2026 | 43 | 28.0% | +2.3pt | ±7.7% |
| Oct 23, 2026 | 50 | 28.3% | +0.0pt | ±8.4% |
| Nov 20, 2026 | 78 | 29.8% | +2.0pt | ±11.0% |
| Dec 18, 2026 | 106 | 29.4% | +2.8pt | ±12.7% |
| Jan 15, 2027 | 134 | 28.6% | +2.5pt | ±13.8% |
| Feb 19, 2027 | 169 | 29.0% | +2.0pt | ±15.7% |
| Mar 19, 2027 | 197 | 29.0% | +2.0pt | ±17.0% |
| Jun 17, 2027 | 287 | 29.2% | +2.3pt | ±20.4% |
| Sep 17, 2027 | 379 | 30.0% | +2.3pt | ±23.7% |
| Jan 21, 2028 | 505 | 30.4% | +1.0pt | ±27.4% |
Volatility smile — Sep 11, 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