346 calls and 87 puts traded on Nov 4, 2026, 433 contracts in total. Open interest was 16.74K contracts. Over the past 30 days, volume averaged 594 contracts per day. The PNR option volume chart shows volume by strike and expiration date.

Pentair IV rank is 3, so its 30-day implied volatility of 26.5% is near the bottom of its one-year range. Over the past year it ranged from 21.2% on Nov 24, 2025 to 179.9% on Jul 17, 2026. See the PNR implied volatility history for a longer view.

The Pentair put/call volume ratio was 0.25 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.61. The PNR open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Pentair options about one week from expiration was $55.00, 23.6% below the $72.03 close. The PNR max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 24.4%, options price a move of about ±$2.43 (±3.4%) over the next week, a range of roughly $69.60 to $74.46 from the Nov 4, 2026 close. The PNR expected move chart shows it for every expiration date.