970 calls and 690 puts traded on Nov 4, 2026, 1.66K contracts in total. Open interest was 39.21K contracts. Over the past 30 days, volume averaged 1.2K contracts per day. The WES option volume chart shows volume by strike and expiration date.

Western Midstream Partners IV rank is 13, so its 30-day implied volatility of 24.9% is near the bottom of its one-year range. Over the past year it ranged from 9.4% on Dec 30, 2025 to 125.9% on Jul 17, 2026. See the WES implied volatility history for a longer view.

The Western Midstream Partners put/call volume ratio was 0.71 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.55. The WES open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Western Midstream Partners options about one week from expiration was $45.06, 6.0% above the $42.52 close. The WES max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 27.1%, options price a move of about ±$1.59 (±3.8%) over the next week, a range of roughly $40.93 to $44.11 from the Nov 4, 2026 close. The WES expected move chart shows it for every expiration date.