KMI volatility Kinder Morgan, Inc.
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.23.5%
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.25.3%
HV6022.0%
IV − HV20 spread
-1.7pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
21
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 09:35 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 04, 2026 | 1 | 29.9% | +3.9pt | ±1.8% |
| Sep 11, 2026 | 8 | 22.6% | +1.6pt | ±2.8% |
| Sep 18, 2026 | 15 | 23.3% | +1.7pt | ±3.9% |
| Sep 25, 2026 | 22 | 23.4% | +1.7pt | ±4.7% |
| Oct 02, 2026 | 29 | 23.5% | +2.4pt | ±5.4% |
| Oct 09, 2026 | 36 | 23.5% | +0.1pt | ±6.0% |
| Oct 16, 2026 | 43 | 24.6% | +2.7pt | ±6.8% |
| Dec 18, 2026 | 106 | 24.4% | +1.7pt | ±10.6% |
| Jan 15, 2027 | 134 | 24.6% | +2.0pt | ±12.0% |
| Mar 19, 2027 | 197 | 24.1% | +2.7pt | ±14.1% |
| Jun 17, 2027 | 287 | 24.6% | +2.4pt | ±17.1% |
| Sep 17, 2027 | 379 | 22.6% | +3.3pt | ±17.8% |
| Jan 21, 2028 | 505 | 24.4% | +2.6pt | ±22.0% |
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