Costco Wholesale (COST) options traded 52,310 contracts on October 16, 2026 (28,449 calls and 23,861 puts, a put/call ratio of 0.84), compared with a 30-day average of 42,034. Options price a move of about ±1.2% by the nearest expiration.
Data as of October 16, 2026.
A breakdown of key statistics for each option expiration listed for COST. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.
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