188 calls and 0 puts traded on Nov 4, 2026, 188 contracts in total. Open interest was 913 contracts. Over the past 30 days, volume averaged 150 contracts per day. The MSEX option volume chart shows volume by strike and expiration date.

Middlesex Water IV rank is 8, so its 30-day implied volatility of 26.4% is near the bottom of its one-year range. Over the past year it ranged from 14.0% on Aug 20, 2026 to 177.3% on Jul 17, 2026. See the MSEX implied volatility history for a longer view.

The Middlesex Water put/call volume ratio was 0.00 on Nov 4, 2026, so calls outnumber puts. The put/call open interest ratio was 0.15. The MSEX open interest chart shows calls and puts at each strike.

As of the Nov 4, 2026 close, max pain for Middlesex Water options about one week from expiration was $56.08, 5.3% below the $59.23 close. The MSEX max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 26.8%, options price a move of about ±$2.20 (±3.7%) over the next week, a range of roughly $57.03 to $61.43 from the Nov 4, 2026 close. The MSEX expected move chart shows it for every expiration date.