28 calls and 25 puts traded on Nov 4, 2026, 53 contracts in total. Open interest was 1.95K contracts. Over the past 30 days, volume averaged 66 contracts per day. The ATO option volume chart shows volume by strike and expiration date.

Atmos Energy IV rank is 8, so its 30-day implied volatility of 21.3% is near the bottom of its one-year range. Over the past year it ranged from 11.1% on Dec 23, 2025 to 132.8% on May 15, 2026. See the ATO implied volatility history for a longer view.

The Atmos Energy put/call volume ratio was 0.89 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.45. The ATO open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Atmos Energy options about one week from expiration was $165.00, 6.5% below the $176.46 close. The ATO max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 22.9%, options price a move of about ±$5.59 (±3.2%) over the next week, a range of roughly $170.87 to $182.05 from the Nov 4, 2026 close. The ATO expected move chart shows it for every expiration date.