470 calls and 0 puts traded on Nov 4, 2026, 470 contracts in total. Open interest was 1.81K contracts. Over the past 30 days, volume averaged 229 contracts per day. The MMSI option volume chart shows volume by strike and expiration date.

Merit Medical Systems IV rank is 5, so its 30-day implied volatility of 30.5% is near the bottom of its one-year range. Over the past year it ranged from 23.5% on Sep 17, 2026 to 178.5% on Jul 17, 2026. See the MMSI implied volatility history for a longer view.

The Merit Medical Systems put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 3.13. The MMSI open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Merit Medical Systems options about one week from expiration was $85.31, 5.9% below the $90.68 close. The MMSI max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 34.4%, options price a move of about ±$4.32 (±4.8%) over the next week, a range of roughly $86.36 to $95.00 from the Nov 4, 2026 close. The MMSI expected move chart shows it for every expiration date.