ZS volatility Zscaler, Inc.
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.53.2%
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.62.1%
HV6064.1%
IV − HV20 spread
-8.9pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
74
Own-history percentileWhere today's IV30 sits versus its own daily history — 80 means higher than roughly 80% of recorded observations for that period.
29/60 days recorded
Cboe delayed options data · as of 22:06 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 23, 2026 | 4 | 57.4% | +5.5pt | ±4.8% |
| Oct 30, 2026 | 11 | 57.3% | +0.0pt | ±8.0% |
| Nov 06, 2026 | 18 | 56.0% | +4.2pt | ±9.9% |
| Nov 13, 2026 | 25 | 53.5% | +1.3pt | ±11.2% |
| Nov 20, 2026 | 32 | 53.1% | +2.9pt | ±12.6% |
| Nov 27, 2026 | 39 | 59.5% | +4.3pt | ±15.6% |
| Dec 18, 2026 | 60 | 63.6% | +1.4pt | ±20.4% |
| Jan 15, 2027 | 88 | 61.0% | +1.6pt | ±23.7% |
| Feb 19, 2027 | 123 | 58.7% | +0.9pt | ±26.9% |
| Mar 19, 2027 | 151 | 61.7% | +2.2pt | ±31.2% |
| May 21, 2027 | 214 | 60.2% | +1.4pt | ±36.1% |
| Jun 17, 2027 | 241 | 62.2% | — | ±39.5% |
| Sep 17, 2027 | 333 | 61.7% | — | ±45.8% |
| Jan 21, 2028 | 459 | 60.6% | +1.2pt | ±52.4% |
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