309 calls and 190 puts traded on Nov 4, 2026, 499 contracts in total. Open interest was 17.85K contracts. Over the past 30 days, volume averaged 403 contracts per day. The BXP option volume chart shows volume by strike and expiration date.

BXP IV rank is 4, so its 30-day implied volatility of 28.7% is near the bottom of its one-year range. Over the past year it ranged from 23.4% on Dec 22, 2025 to 152.2% on Jan 16, 2026. See the BXP implied volatility history for a longer view.

The BXP put/call volume ratio was 0.61 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.86. The BXP open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for BXP options about one week from expiration was $65.31, 1.0% below the $65.96 close. The BXP max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 28.9%, options price a move of about ±$2.64 (±4.0%) over the next week, a range of roughly $63.32 to $68.60 from the Nov 4, 2026 close. The BXP expected move chart shows it for every expiration date.