GOOGL volatility Alphabet Inc.
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.27.6%
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.20.8%
HV6036.6%
IV − HV20 spread
+6.8pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
36
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 00:35 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 02, 2026 | 0 | 47.3% | +0.3pt | ±0.3% |
| Sep 04, 2026 | 2 | 30.2% | -0.6pt | ±1.8% |
| Sep 09, 2026 | 7 | 24.0% | -0.1pt | ±2.7% |
| Sep 11, 2026 | 9 | 26.1% | +0.4pt | ±3.3% |
| Sep 14, 2026 | 12 | 24.7% | +1.1pt | ±3.6% |
| Sep 16, 2026 | 14 | 26.0% | -1.0pt | ±4.3% |
| Sep 18, 2026 | 16 | 26.6% | -0.0pt | ±4.5% |
| Sep 25, 2026 | 23 | 26.9% | +0.5pt | ±5.4% |
| Oct 02, 2026 | 30 | 27.6% | -0.1pt | ±6.4% |
| Oct 09, 2026 | 37 | 27.3% | -0.3pt | ±7.0% |
| Oct 16, 2026 | 44 | 28.3% | +0.1pt | ±7.7% |
| Nov 20, 2026 | 79 | 33.0% | -0.4pt | ±12.3% |
| Dec 18, 2026 | 107 | 32.3% | -0.0pt | ±14.0% |
| Jan 15, 2027 | 135 | 32.0% | +0.7pt | ±15.6% |
| Feb 19, 2027 | 170 | 33.8% | +0.6pt | ±18.5% |
| Mar 19, 2027 | 198 | 33.0% | +0.6pt | ±19.4% |
Volatility smile — Sep 18, 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