GM Options
GM $76.31 · Updated Oct 26, 4:00 PM ET
GM is at $76.31. The nearest expiration, Oct 30, 2026 (4 days out), lists 40 strikes, with 2,598 calls and 925 puts traded in the latest session. At-the-money implied volatility is 38.0%. The at-the-money straddle prices a move of about $2.45 (3.2%) by expiration.
GM Options Chain
GM is at $76.31. The nearest expiration, Oct 30, 2026 (4 days out), lists 40 strikes, with 2,598 calls and 925 puts traded in the latest session. At-the-money implied volatility is 38.0%. The at-the-money straddle prices a move of about $2.45 (3.2%) by expiration.
GM Gamma Exposure (GEX)
GM total dealer gamma exposure is $3M across all listed expirations. Positive GEX means dealers are net long gamma; their hedging tends to dampen price moves. The gamma flip is $73.61, with spot 3.7% above it. The call wall is $80.00 and the put wall $75.00.
GM Max Pain
GM max pain for Oct 30, 2026 (4 days out) is $75.00, 1.7% below the current $76.31. That is the settlement price at which the open contracts on that date would pay holders the least. For Nov 27, 2026, max pain is $78.00.
GM Put/Call Ratio
Across every listed GM expiration, the put/call ratio is 0.45 by volume and 0.83 by open interest. More calls than puts are trading. 106,563 puts and 128,703 calls are open in total.
GM Implied Volatility
GM at-the-money implied volatility is 38.0% for Oct 30, 2026 (4 days out). For Nov 27, 2026 it is 31.3%. Near-term volatility is priced above longer-dated volatility, an inverted term structure that usually accompanies an event or stress.
GM Open Interest by Strike
Across all GM expirations, the largest call open interest near the current $76.31 sits at the $80.00 strike (11,096 contracts) and the largest put open interest at $75.00 (8,823). 128,703 calls and 106,563 puts are open in total.
GM Expected Move
The options market prices GM to move about $2.45 (3.2%) by Oct 30, 2026, a range of $73.86 to $78.76. For Nov 27, 2026 (32 days out) the expected move is $5.66 (7.4%).