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, Trupanion options traded 35 contracts against 3.41K open, a volume to open interest ratio of 0.01, well below its 20-day average. The table above lists the contracts with the highest ratios.

Calls made up 71.4% of Trupanion option volume on Nov 4, 2026, a put/call ratio of 0.40, so calls outnumber puts. The TRUP option volume chart shows calls and puts by strike.

Trupanion Inc is a specialty insurance products provider in the United States.