3.37K calls and 366 puts traded on Nov 4, 2026, 3.74K contracts in total. Open interest was 185.65K contracts. Over the past 30 days, volume averaged 12.84K contracts per day. The PAA option volume chart shows volume by strike and expiration date.

Plains All American Pipeline L.P. IV rank is 49, so its 30-day implied volatility of 23.1% is near the middle of its one-year range. Over the past year it ranged from 12.3% on Dec 19, 2025 to 34.2% on Jan 7, 2026. See the PAA implied volatility history for a longer view.

The Plains All American Pipeline L.P. put/call volume ratio was 0.11 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.24. The PAA open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Plains All American Pipeline L.P. options about one week from expiration was $25.64, 1.7% above the $25.22 close. The PAA max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 34.2%, options price a move of about ±$1.20 (±4.7%) over the next week, a range of roughly $24.02 to $26.42 from the Nov 4, 2026 close. The PAA expected move chart shows it for every expiration date.