15 calls and 1 puts traded on Nov 4, 2026, 16 contracts in total. Open interest was 3.71K contracts. Over the past 30 days, volume averaged 112 contracts per day. The RDN option volume chart shows volume by strike and expiration date.

Radian IV rank is 15, so its 30-day implied volatility of 42.5% is near the bottom of its one-year range. Over the past year it ranged from 19.0% on Jun 18, 2026 to 179.2% on Oct 16, 2026. See the RDN implied volatility history for a longer view.

The Radian put/call volume ratio was 0.07 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 2.93. The RDN open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Radian options about one week from expiration was $37.20, 1.7% above the $36.59 close. The RDN max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 46.1%, options price a move of about ±$2.34 (±6.4%) over the next week, a range of roughly $34.25 to $38.93 from the Nov 4, 2026 close. The RDN expected move chart shows it for every expiration date.