COST Options
COST $1,005.06 · Updated Oct 26, 4:00 PM ET
COST is at $1,005.06. The nearest expiration, Oct 30, 2026 (4 days out), lists 124 strikes, with 2,826 calls and 3,432 puts traded in the latest session. At-the-money implied volatility is 21.9%. The at-the-money straddle prices a move of about $18.80 (1.9%) by expiration.
COST Options Chain
COST is at $1,005.06. The nearest expiration, Oct 30, 2026 (4 days out), lists 124 strikes, with 2,826 calls and 3,432 puts traded in the latest session. At-the-money implied volatility is 21.9%. The at-the-money straddle prices a move of about $18.80 (1.9%) by expiration.
COST Gamma Exposure (GEX)
COST total dealer gamma exposure is $130M across all listed expirations. Positive GEX means dealers are net long gamma; their hedging tends to dampen price moves. The gamma flip is $969.13, with spot 3.7% above it. The call wall is $1,020.00 and the put wall $1,000.00.
COST Max Pain
COST max pain for Oct 30, 2026 (4 days out) is $960.00, 4.5% below the current $1,005.06. 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 $985.00.
COST Put/Call Ratio
Across every listed COST expiration, the put/call ratio is 0.70 by volume and 1.28 by open interest. More calls than puts are trading. 116,998 puts and 91,694 calls are open in total.
COST Implied Volatility
COST at-the-money implied volatility is 21.9% for Oct 30, 2026 (4 days out). For Nov 27, 2026 it is 19.4%. Near-term volatility is priced above longer-dated volatility, an inverted term structure that usually accompanies an event or stress.
COST Open Interest by Strike
Across all COST expirations, the largest call open interest near the current $1,005.06 sits at the $1,000.00 strike (6,882 contracts) and the largest put open interest at $900.00 (4,736). 91,694 calls and 116,998 puts are open in total.
COST Expected Move
The options market prices COST to move about $18.80 (1.9%) by Oct 30, 2026, a range of $986.26 to $1,023.86. For Nov 27, 2026 (32 days out) the expected move is $46.33 (4.6%).