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, Waste Management options traded 1.63K contracts against 45.2K open, a volume to open interest ratio of 0.04, below its 20-day average. The table above lists the contracts with the highest ratios.

Calls made up 56.1% of Waste Management option volume on Nov 4, 2026, a put/call ratio of 0.78, so calls outnumber puts. The WM option volume chart shows calls and puts by strike.

WM, previously known as Waste Management, ranks as the largest integrated provider of traditional solid waste services in the United States, operating 257 active landfill sites and about 342 transfer stations that help with transporting waste efficiently and economically.