NDX Implied Volatility
NDX $27,740.79 · Updated Nov 10, 4:00 PM ET
NDX at-the-money implied volatility is 28.3% for Nov 11, 2026 (1 day out). For Dec 10, 2026 it is 24.8%. Near-term volatility is priced above longer-dated volatility, an inverted term structure that usually accompanies an event or stress.
TERM STRUCTURE (ATM IV)
| Expiration | DTE | ATM strike | ATM IV |
|---|---|---|---|
| Nov 11, 2026 | 1 | 27740 | 28.3% |
| Nov 12, 2026 | 2 | 27740 | 28.7% |
| Nov 13, 2026 | 3 | 27740 | 29.4% |
| Nov 16, 2026 | 6 | 27740 | 24.7% |
| Nov 17, 2026 | 7 | 27740 | n/a |
| Nov 18, 2026 | 8 | 27750 | 26.9% |
| Nov 19, 2026 | 9 | 27750 | 27.3% |
| Nov 20, 2026 | 10 | 27750 | 27.8% |
| Nov 23, 2026 | 13 | 27750 | 25.8% |
| Nov 24, 2026 | 14 | 27750 | 26.0% |
| Nov 25, 2026 | 15 | 27750 | 26.2% |
| Nov 27, 2026 | 17 | 27750 | 25.4% |
SKEW, NOV 11, 2026
| Strike | Call IV | Put IV |
|---|---|---|
| 27675 | 30.3% | 27.5% |
| 27680 | 30.3% | 27.5% |
| 27690 | 30.1% | 27.5% |
| 27700 | 30.1% | 27.4% |
| 27710 | 30.0% | 27.2% |
| 27720 | 29.8% | 27.1% |
| 27725 | 29.8% | 27.1% |
| 27730 | 29.7% | 27.0% |
| 27740 | 29.6% | 27.0% |
| 27750 | 29.5% | 26.9% |
| 27760 | 29.5% | 26.7% |
| 27770 | 29.4% | 26.6% |
| 27775 | 29.3% | 26.4% |
| 27780 | 29.2% | 26.6% |
| 27790 | 29.1% | 26.4% |
| 27800 | 29.3% | 26.2% |
| 27810 | 29.1% | 26.2% |
How this is calculated: Implied Volatility methodology