86 calls and 73 puts traded on Nov 4, 2026, 159 contracts in total. Open interest was 25.84K contracts. Over the past 30 days, volume averaged 1.03K contracts per day. The RMD option volume chart shows volume by strike and expiration date.

ResMed IV rank is 5, so its 30-day implied volatility of 31.5% is near the bottom of its one-year range. Over the past year it ranged from 23.9% on Dec 4, 2025 to 175.4% on Jul 17, 2026. See the RMD implied volatility history for a longer view.

The ResMed put/call volume ratio was 0.85 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 4.21. The RMD open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for ResMed options about one week from expiration was $240.61, close to the $240.46 close. The RMD max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 32.3%, options price a move of about ±$10.77 (±4.5%) over the next week, a range of roughly $229.69 to $251.23 from the Nov 4, 2026 close. The RMD expected move chart shows it for every expiration date.