183 calls and 14 puts traded on Nov 4, 2026, 197 contracts in total. Open interest was 2.55K contracts. Over the past 30 days, volume averaged 179 contracts per day. The BKH option volume chart shows volume by strike and expiration date.

Black Hills IV rank is 8, so its 30-day implied volatility of 27.6% is near the bottom of its one-year range. Over the past year it ranged from 14.6% on Sep 23, 2026 to 173.7% on Jan 16, 2026. See the BKH implied volatility history for a longer view.

The Black Hills put/call volume ratio was 0.08 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.21. The BKH open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Black Hills options about one week from expiration was $70.25, 16.6% below the $84.23 close. The BKH max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 29.2%, options price a move of about ±$3.41 (±4.0%) over the next week, a range of roughly $80.82 to $87.64 from the Nov 4, 2026 close. The BKH expected move chart shows it for every expiration date.