Merck & Co Inc (MRK) options traded 11.01K contracts on Nov 13, 2026, well below the 20-day average of 25.16K. Calls made up 52.5% of the volume, a put/call ratio of 0.90.
Option Volume by Strike
Showing results for MRK, 2026-11-20(m), calls & puts
Option Volume Stats
Showing results for MRK, 2026-11-20(m), calls & puts
| Call Volume | 1,562 |
|---|---|
| Put Volume | 1,516 |
| Volume Total | 3,078 |
| Put-Call Volume Ratio | 0.97 |
Highest Volume Options
Showing results for MRK, 2026-11-20(m), calls & puts
Option Volume Total by Expiry
Showing results for MRK, 2026-11-20(m), calls & puts. View all expiries
Option Volume History
Showing daily totals for MRK, all expirations, calls & puts. View full history
MRK Option Volume FAQ
What is option volume?
Option volume is the number of option contracts traded during a session. It resets at the start of each trading day.
How many MRK options traded on Nov 13, 2026?
5.78K calls and 5.23K puts traded on Nov 13, 2026, 11.01K contracts in total.
Is MRK option volume higher than usual?
Volume on Nov 13, 2026 was well below the 20-day average of 25.16K contracts. The busiest of the last 20 sessions was Oct 22, 2026, with 90.34K contracts. The 30-day average is 24.77K. See the MRK option volume history for a longer view.
What is the MRK put/call volume ratio?
The Merck put/call volume ratio was 0.90 on Nov 13, 2026. Over the last 20 sessions it averaged 0.70, which signals bullish sentiment over that stretch.
What is Merck & Co Inc?
Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections.