Watsco (WSO) Options Chain & Prices $425.59 +6.33 (+1.51%) Closing price 03:59 PM EasternExtended Trading$425.05 -0.54 (-0.13%) As of 05:33 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock WSO Put and Call Options List 3/20/2026 2/20/2026 12/19/2025 11/21/2025 10/17/2025 9/19/2025 Options Date Put and Call Options Put Options Call Options Options Type All In The Money Out of The Money Moneyness With Volume Without Volume All Volume Strike Price Min Strike Price Max Export to Excel ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades9/19/2025$380.00$2.085Put1 - 15(+0)29.08% (+0.79%)-0.11611619/19/2025$390.00$3.468Put11 - 5(+0)28.15% (+1.65%)-0.17882119/19/2025$400.00$25.466Call22 - 0(+0)27.35% (+2.24%)0.73825629/19/2025$410.00$8.732Put1 - - 11(+10)26.69% (+2.41%)-0.36975319/19/2025$420.00$13.069Put1 - - 5(+0)26.17% (+2.04%)-0.49046919/19/2025$420.00$12.944Call1 - - 5(+3)26.17% (+2.04%)0.51568619/19/2025$430.00$8.538Call2 - 13(+1)25.80% (+1.18%)0.39478629/19/2025$440.00$5.354Call21 - 5(+1)25.59% (-0.03%)0.28398429/19/2025$450.00$3.208Call1212 - 11(+1)25.51% (-1.38%)0.19255249/19/2025$490.00$0.313Call1 - - 2(+0)26.31% (-6.53%)0.0268461 Get the Latest News and Ratings for WSO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Watsco and its competitors with MarketBeat's FREE daily newsletter. End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies FAST Options Data FIX Options Data GGG Options Data GWW Options Data ITW Options Data LII Options Data MLM Options Data OTIS Options Data PNR Options Data URI Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:WSO) was last updated on 8/19/2025 by MarketBeat.com Staff From Our PartnersTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredThis is my Christian duty“This land I will give to you…” — a 4,000-year-old line from Genesis may hold the key to unlocking a $150 tril...Paradigm Press | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. 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