SMH volatility VanEck Semiconductor ETF
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.31.9%
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.30.7%
HV6050.0%
IV − HV20 spread
+1.1pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
48
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 09:38 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 |
|---|---|---|---|---|
| Sep 03, 2026 | 0 | 35.2% | +5.6pt | ±1.6% |
| Sep 04, 2026 | 1 | 35.2% | +1.2pt | ±2.1% |
| Sep 08, 2026 | 5 | 26.2% | -1.0pt | ±2.6% |
| Sep 09, 2026 | 6 | 27.3% | +2.3pt | ±3.0% |
| Sep 10, 2026 | 7 | 28.2% | +0.7pt | ±3.4% |
| Sep 11, 2026 | 8 | 30.4% | +1.8pt | ±3.8% |
| Sep 14, 2026 | 11 | 28.1% | +2.5pt | ±4.1% |
| Sep 15, 2026 | 12 | 28.4% | +2.1pt | ±4.2% |
| Sep 16, 2026 | 13 | 29.3% | +3.0pt | ±4.6% |
| Sep 17, 2026 | 14 | — | — | — |
| Sep 18, 2026 | 15 | 30.8% | +2.5pt | ±5.2% |
| Sep 25, 2026 | 22 | 31.2% | +3.2pt | ±6.3% |
| Oct 02, 2026 | 29 | 31.8% | +3.2pt | ±7.3% |
| Oct 09, 2026 | 36 | 32.1% | +3.6pt | ±8.3% |
| Oct 16, 2026 | 43 | 32.1% | +3.4pt | ±9.0% |
| Oct 23, 2026 | 50 | — | — | — |
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