Showing results for WSO, 2026-11-20(m), calls & puts
WSO Option Chain FAQ
What is an option chain?
An option chain lists every call and put for a stock, with prices, volume, open interest, and Greeks for each strike and expiration date.
How many WSO option contracts are listed?
As of Nov 4, 2026, Watsco Inc (WSO) had 320 listed option contracts across 4 expiration dates, from Nov 20, 2026 to May 21, 2027.
When do WSO options expire?
Watsco had 4 expiration dates as of Nov 4, 2026, 0 of them weekly. The nearest was Nov 20, 2026 and the furthest May 21, 2027.
How actively are WSO options traded?
173 Watsco option contracts traded on Nov 4, 2026, and open interest was 4.84K contracts. Over the past 30 days, volume averaged 106 contracts per day. The WSO option volume chart shows volume by strike and expiration date.
Is WSO implied volatility high right now?
Watsco IV rank is 10, so its 30-day implied volatility of 41.2% is near the bottom of its one-year range. Over the past year it ranged from 26.3% on Dec 26, 2025 to 178.8% on Jul 17, 2026. See the WSO implied volatility history for a longer view.
What is Watsco Inc?
Watsco is the largest HVAC and refrigeration products distributor in North America with approximately 13% market share.