3 calls and 64 puts traded on Nov 4, 2026, 67 contracts in total. Open interest was 2.71K contracts. Over the past 30 days, volume averaged 158 contracts per day. The IEX option volume chart shows volume by strike and expiration date.

IDEX IV rank is 1, so its 30-day implied volatility of 22.1% is near the bottom of its one-year range. Over the past year it ranged from 20.6% on Aug 14, 2026 to 170.6% on Jul 17, 2026. See the IEX implied volatility history for a longer view.

The IDEX put/call volume ratio was 21.33 on Nov 4, 2026, so puts outnumber calls. The put/call open interest ratio was 0.82. The IEX open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for IDEX options about one week from expiration was $223.46, 4.4% below the $233.77 close. The IEX max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 22.4%, options price a move of about ±$7.24 (±3.1%) over the next week, a range of roughly $226.53 to $241.01 from the Nov 4, 2026 close. The IEX expected move chart shows it for every expiration date.