2.95K calls and 5.52K puts traded on Nov 4, 2026, 8.47K contracts in total. Open interest was 82.39K contracts. Over the past 30 days, volume averaged 4.0K contracts per day. The PSX option volume chart shows volume by strike and expiration date.

Phillips 66 IV rank is 97, so its 30-day implied volatility of 46.9% is near the top of its one-year range. Over the past year it ranged from 21.4% on Jan 2, 2026 to 47.6% on Nov 2, 2026. See the PSX implied volatility history for a longer view.

The Phillips 66 put/call volume ratio was 1.87 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.89. The PSX open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Phillips 66 options about one week from expiration was $275.71, 6.2% above the $259.65 close. The PSX max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 59.2%, options price a move of about ±$21.27 (±8.2%) over the next week, a range of roughly $238.38 to $280.92 from the Nov 4, 2026 close. The PSX expected move chart shows it for every expiration date.