Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.

On Nov 4, 2026, Palomar options traded 26 contracts against 788 open, a volume to open interest ratio of 0.03, well below its 20-day average. The table above lists the contracts with the highest ratios.

Calls made up 92.3% of Palomar option volume on Nov 4, 2026, a put/call ratio of 0.08, so calls outnumber puts. The PLMR option volume chart shows calls and puts by strike.

Palomar Holdings Inc that provides property and casualty insurance products to individuals and businesses.