Merck Common (New) (MRK) options traded 17,007 contracts on October 26, 2026 (9,599 calls and 7,408 puts, a put/call ratio of 0.77), compared with a 30-day average of 31,115. Options price a move of about ±2.9% by the nearest expiration.
Data as of October 26, 2026.
A breakdown of key statistics for each option expiration listed for MRK. 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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