ENPH volatility Enphase Energy, Inc.
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.60.6%
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.49.2%
HV6066.4%
IV − HV20 spread
+11.4pt
Universe percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history).
90
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 00:34 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 | 2 | 66.0% | +5.3pt | ±3.9% |
| Sep 11, 2026 | 9 | 56.6% | -3.8pt | ±7.1% |
| Sep 18, 2026 | 16 | 61.8% | -2.4pt | ±10.3% |
| Sep 25, 2026 | 23 | 60.6% | -0.8pt | ±12.2% |
| Oct 02, 2026 | 30 | 60.6% | -5.8pt | ±13.9% |
| Oct 09, 2026 | 37 | 62.6% | -3.0pt | ±16.0% |
| Oct 16, 2026 | 44 | 62.0% | -2.7pt | ±17.1% |
| Nov 20, 2026 | 79 | 74.3% | -5.0pt | ±27.2% |
| Dec 18, 2026 | 107 | 70.4% | -4.8pt | ±30.0% |
| Jan 15, 2027 | 135 | 70.0% | -5.5pt | ±33.4% |
| Feb 19, 2027 | 170 | 73.1% | -3.5pt | ±39.0% |
| Jun 17, 2027 | 288 | 73.9% | -2.4pt | ±50.8% |
| Jan 21, 2028 | 506 | 73.3% | -0.4pt | ±65.4% |
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