MMSI Unusual Option Activity
Merit Medical Systems Inc (MMSI) option volume on Nov 4, 2026 was 26.0% of open interest, above the 20-day average of 20.6%. Calls made up 100.0% of the volume.
MMSI Unusual Options FAQ
What makes option activity unusual?
Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.
Is MMSI seeing unusual options activity?
On Nov 4, 2026, Merit Medical Systems options traded 470 contracts against 1.81K open, a volume to open interest ratio of 0.26, above its 20-day average. The table above lists the contracts with the highest ratios.
Are MMSI traders trading more calls or puts?
Calls made up 100.0% of Merit Medical Systems option volume on Nov 4, 2026, a put/call ratio of 0.00, so calls outnumber puts. The MMSI option volume chart shows calls and puts by strike.
What is Merit Medical Systems Inc?
Merit Medical Systems Inc is a medical equipment company that develops and manufactures products for interventional cardiology, radiology, and endoscopy procedures.