6 calls and 0 puts traded on Nov 4, 2026, 6 contracts in total. Open interest was 198 contracts. Over the past 30 days, volume averaged 2 contracts per day. The CDP option volume chart shows volume by strike and expiration date.

COPT Defense Properties IV rank is 4, so its 30-day implied volatility of 24.3% is near the bottom of its one-year range. Over the past year it ranged from 17.8% on Aug 27, 2026 to 176.3% on Oct 16, 2026. See the CDP implied volatility history for a longer view.

The COPT Defense Properties put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.61. The CDP open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for COPT Defense Properties options about one week from expiration was $22.72, 31.4% below the $33.12 close. The CDP max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 24.2%, options price a move of about ±$1.11 (±3.3%) over the next week, a range of roughly $32.01 to $34.23 from the Nov 4, 2026 close. The CDP expected move chart shows it for every expiration date.