Masimo (MASI) Options Chain & Prices $148.73 +1.50 (+1.02%) Closing price 04:00 PM EasternExtended Trading$148.76 +0.03 (+0.02%) As of 04:20 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock MASI Put and Call Options List 6/18/2026 3/20/2026 12/19/2025 11/21/2025 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 VolatilityDeltaTrades11/21/2025$150.00$7.147Call1 - - 6(+1)48.32% (-0.13%)0.485402111/21/2025$155.00$5.136Call1 - 132(+3)47.70% (+0.03%)0.3912111/21/2025$160.00$3.658Call1 - - 6(+1)47.74% (+0.20%)0.3064271End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies AMN Options VEEV Options DXCM Options STE Options PODD Options HOLX Options BAX Options GMED Options TFX Options ITGR Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:MASI) was last updated on 10/23/2025 by MarketBeat.com Staff From Our PartnersRobinhood warningA strange chasm is coming to Wall Street... It's already creating millionaires and billionaires at the fast...Stansberry Research | SponsoredYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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