Watsco is the largest heating, ventilation, air conditioning, and refrigeration products distributor in North America. The company primarily operates in the United States (90% of revenue), with significant exposure in the Sun Belt states. Watsco also has operations in Canada (5% of sales) and Latin America (5% of sales). The company's customer base consists of more than 125,000 contractors that serve the replacement and new construction HVACR markets for residential and light commercial applications.

What symbol and exchange does Watsco Class B shares trade?

Watsco Class B trades on the NYSE stock market under the symbol WSO.B.

What is Watsco Class B stock price doing today?

As of October 23, 2026, WSO.B stock price was flat at $284.20 with 37 million shares trading.

How much is Watsco Class B worth?

WSO.B has a market cap of $11.53 billion. This is considered a Large Cap stock.

What is the highest and lowest price Watsco Class B traded in the last 3 year period?

In the last 3 years, WSO.B traded as high as $569.90 and as low as $281.44.

What are the top ETFs holding Watsco Class B?

The top ETF exchange traded funds that WSO.B belongs to (by Net Assets): DFAC, DCOR, DXUV.

Is Watsco Class B (WSO.B) a good investment?

WSO.B has underperformed the market in the last year with a price return of -21.7% while the SPY ETF gained +14.3%. WSO.B has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -24.7% and -7.5%, respectively, while the SPY returned +3.2% and -2.4%, respectively.

What are the support and resistance levels for Watsco Class B (WSO.B)?

WSO.B support price is $266.75 and resistance is $301.65 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that WSO.B shares will trade within this expected range on the day.