34 calls and 2 puts traded on Nov 4, 2026, 36 contracts in total. Open interest was 1.11K contracts. Over the past 30 days, volume averaged 154 contracts per day. The SR option volume chart shows volume by strike and expiration date.

Spire IV rank is 8, so its 30-day implied volatility of 25.6% is near the bottom of its one-year range. Over the past year it ranged from 13.9% on Feb 25, 2026 to 168.9% on Jul 17, 2026. See the SR implied volatility history for a longer view.

The Spire put/call volume ratio was 0.06 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.09. The SR open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Spire options about one week from expiration was $85.00, 5.9% below the $90.31 close. The SR max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 30.7%, options price a move of about ±$3.83 (±4.2%) over the next week, a range of roughly $86.48 to $94.14 from the Nov 4, 2026 close. The SR expected move chart shows it for every expiration date.