1.99K calls and 860 puts traded on Nov 4, 2026, 2.85K contracts in total. Open interest was 95.74K contracts. Over the past 30 days, volume averaged 3.43K contracts per day. The OKE option volume chart shows volume by strike and expiration date.

Oneok IV rank is 8, so its 30-day implied volatility of 31.4% is near the bottom of its one-year range. Over the past year it ranged from 19.8% on Dec 30, 2025 to 170.0% on Jul 17, 2026. See the OKE implied volatility history for a longer view.

The Oneok put/call volume ratio was 0.43 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.34. The OKE open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Oneok options about one week from expiration was $92.76, 4.7% above the $88.60 close. The OKE max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 33.4%, options price a move of about ±$4.10 (±4.6%) over the next week, a range of roughly $84.50 to $92.70 from the Nov 4, 2026 close. The OKE expected move chart shows it for every expiration date.