Option chain for Merck Common (New) (MRK): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 19, 2026, MRK had 15 option expirations, from Oct 23, 2026 to Jan 19, 2029, and 13,886 contracts traded that day. The nearest expiration, Oct 23, 2026, had an at-the-money implied volatility of 27.8% (-8% on the day) and 4,788 contracts traded.
For the latest figures, see MRK options overview.
Key numbers
Expirations: at-the-money implied volatility, change on the day, volume
- Oct 23, 2026 (4 days): ATM IV 27.8% (-8%), volume 4,788
- Oct 30, 2026 (11 days): ATM IV 44.2% (+1%), volume 2,036
- Nov 6, 2026 (18 days): ATM IV 38.8% (-2%), volume 658
- Nov 13, 2026 (25 days): ATM IV 35.9% (-9%), volume 23
- Nov 20, 2026 (32 days): ATM IV 33.9% (-4%), volume 3,596
- Nov 27, 2026 (39 days): ATM IV 32.5% (-7%), volume 50
- Dec 18, 2026 (60 days): ATM IV 31.6% (-5%), volume 885
- Jan 15, 2027 (88 days): ATM IV 31.8% (-3%), volume 923
- Mar 19, 2027 (151 days): ATM IV 32.4% (-5%), volume 188
- Apr 16, 2027 (179 days): ATM IV 32.7% (-3%), volume 431
- Jun 17, 2027 (241 days): ATM IV 33.0% (-2%), volume 177
- Sep 17, 2027 (333 days): ATM IV 33.4% (+0%), volume 28
- Dec 17, 2027 (424 days): ATM IV 32.1% (-3%), volume 27
- Jan 21, 2028 (459 days): ATM IV 32.4% (-2%), volume 45
- Jan 19, 2029 (823 days): ATM IV 31.1% (-2%), volume 31
Data as of October 19, 2026.
Detailed and comprehensive option chain for each expiration listed for MRK. Includes volume, open interest,
implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity,
volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any MRK options strategy.
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