NDX Options
NDX $29,273.40 · Updated Oct 26, 4:00 PM ET
NDX is at $29,273.40. The nearest expiration, Oct 27, 2026 (1 day out), lists 477 strikes, with 3,539 calls and 2,860 puts traded in the latest session. At-the-money implied volatility is 21.0%. The at-the-money straddle prices a move of about $254.90 (0.9%) by expiration.
NDX Options Chain
NDX is at $29,273.40. The nearest expiration, Oct 27, 2026 (1 day out), lists 477 strikes, with 3,539 calls and 2,860 puts traded in the latest session. At-the-money implied volatility is 21.0%. The at-the-money straddle prices a move of about $254.90 (0.9%) by expiration.
NDX Gamma Exposure (GEX)
NDX total dealer gamma exposure is -$361M across all listed expirations. Negative GEX means dealers are net short gamma; their hedging tends to amplify price moves. The gamma flip is $29,321.87, with spot 0.2% below it. The call wall is $29,675.00 and the put wall $28,000.00.
NDX Max Pain
NDX max pain for Oct 27, 2026 (1 day out) is $29,400.00, 0.4% above the current $29,273.40. That is the settlement price at which the open contracts on that date would pay holders the least. For Nov 25, 2026, max pain is $29,500.00.
NDX Put/Call Ratio
Across every listed NDX expiration, the put/call ratio is 1.28 by volume and 1.22 by open interest. More puts than calls are trading, a defensive tilt. 82,211 puts and 67,635 calls are open in total.
NDX Implied Volatility
NDX at-the-money implied volatility is 21.0% for Oct 27, 2026 (1 day out). For Nov 25, 2026 it is 23.0%. Longer-dated volatility is priced at or above near-term volatility, the normal upward-sloping term structure.
NDX Open Interest by Strike
Across all NDX expirations, the largest call open interest near the current $29,273.40 sits at the $29,675.00 strike (3,541 contracts) and the largest put open interest at $28,000.00 (4,782). 67,635 calls and 82,211 puts are open in total.
NDX Expected Move
The options market prices NDX to move about $254.90 (0.9%) by Oct 27, 2026, a range of $29,018.50 to $29,528.30. For Nov 25, 2026 (30 days out) the expected move is $1,536.60 (5.2%).