STLD volatility Steel Dynamics, Inc.
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.41.6%
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.27.3%
HV6036.9%
IV − HV20 spread
+14.3pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
57
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 00:44 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 |
|---|---|---|---|---|
| Nov 20, 2026 | 32 | 41.6% | -0.6pt | ±11.7% |
| Dec 18, 2026 | 60 | 40.8% | +0.9pt | ±14.5% |
| Jan 15, 2027 | 88 | 39.4% | -0.3pt | ±16.7% |
| Feb 19, 2027 | 123 | 40.1% | +1.5pt | ±19.7% |
| Mar 19, 2027 | 151 | 39.7% | +1.3pt | ±21.6% |
| May 21, 2027 | 214 | 40.0% | +1.8pt | ±25.5% |
| Jun 17, 2027 | 241 | 40.0% | +2.1pt | ±27.0% |
| Sep 17, 2027 | 333 | 39.4% | +2.1pt | ±31.0% |
| Jan 21, 2028 | 459 | 39.3% | +1.9pt | ±35.8% |
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