8 calls and 1 puts traded on Nov 4, 2026, 9 contracts in total. Open interest was 905 contracts. Over the past 30 days, volume averaged 13 contracts per day. The CNA option volume chart shows volume by strike and expiration date.

CNA Financial IV rank is 21, so its 30-day implied volatility of 46.6% is in the lower part of its one-year range. Over the past year it ranged from 12.7% on Mar 2, 2026 to 176.6% on Oct 16, 2026. See the CNA implied volatility history for a longer view.

The CNA Financial put/call volume ratio was 0.13 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 1.02. The CNA open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for CNA Financial options about one week from expiration was $45.25, 5.8% below the $48.01 close. The CNA max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 67.6%, options price a move of about ±$4.50 (±9.4%) over the next week, a range of roughly $43.51 to $52.51 from the Nov 4, 2026 close. The CNA expected move chart shows it for every expiration date.