WM Open Interest
Waste Management Inc (WM) had 45.2K open option contracts as of Nov 4, 2026: 29.91K calls and 15.29K puts. Open interest rose 9.9% over the past four weeks, and is WM's highest level in 4 weeks. The put/call open interest ratio is 0.51, so calls outnumber puts.
Open Interest by Strike
Showing results for WM, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for WM, 2026-11-20(m), calls & puts
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Highest Open Interest Options
Showing results for WM, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for WM, 2026-11-20(m), calls & puts. View all expiries
WM Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does WM have?
Waste Management had 45.2K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 40.53K contracts.
Is WM open interest rising or falling?
Open interest rose 9.9% over the past four weeks, and is WM's highest level in 4 weeks. It was 41.13K contracts on Oct 7, 2026. See the WM open interest history for a longer view.
What is the WM put/call open interest ratio?
The Waste Management put/call open interest ratio was 0.51 as of Nov 4, 2026. Four weeks earlier it was 0.60.
What is Waste Management Inc?
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.