TSM Options
TSM $426.57 · Updated Oct 26, 4:00 PM ET
TSM is at $426.57. The nearest expiration, Oct 30, 2026 (4 days out), lists 92 strikes, with 26,243 calls and 11,610 puts traded in the latest session. At-the-money implied volatility is 42.6%. The at-the-money straddle prices a move of about $15.40 (3.6%) by expiration.
TSM Options Chain
TSM is at $426.57. The nearest expiration, Oct 30, 2026 (4 days out), lists 92 strikes, with 26,243 calls and 11,610 puts traded in the latest session. At-the-money implied volatility is 42.6%. The at-the-money straddle prices a move of about $15.40 (3.6%) by expiration.
TSM Gamma Exposure (GEX)
TSM total dealer gamma exposure is -$20M across all listed expirations. Negative GEX means dealers are net short gamma; their hedging tends to amplify price moves. The gamma flip is $421.90, with spot 1.1% above it. The call wall is $450.00 and the put wall $400.00.
TSM Max Pain
TSM max pain for Oct 30, 2026 (4 days out) is $425.00, 0.4% below the current $426.57. 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 $450.00.
TSM Put/Call Ratio
Across every listed TSM expiration, the put/call ratio is 1.22 by volume and 1.18 by open interest. More puts than calls are trading, a defensive tilt. 736,108 puts and 626,470 calls are open in total.
TSM Implied Volatility
TSM at-the-money implied volatility is 42.6% for Oct 30, 2026 (4 days out). For Nov 27, 2026 it is 33.5%. Near-term volatility is priced above longer-dated volatility, an inverted term structure that usually accompanies an event or stress.
TSM Open Interest by Strike
Across all TSM expirations, the largest call open interest near the current $426.57 sits at the $450.00 strike (45,187 contracts) and the largest put open interest at $400.00 (70,188). 626,470 calls and 736,108 puts are open in total.
TSM Expected Move
The options market prices TSM to move about $15.40 (3.6%) by Oct 30, 2026, a range of $411.17 to $441.97. For Nov 27, 2026 (32 days out) the expected move is $34.15 (8.0%).