Tandem Diabetes Care (TNDM) Options Chain & Prices $18.47 +0.44 (+2.44%) Closing price 04:00 PM EasternExtended Trading$20.62 +2.15 (+11.64%) As of 07:55 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 Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock TNDM Put and Call Options List 1/15/2027 12/18/2026 11/20/2026 8/21/2026 6/18/2026 5/15/2026 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 ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades5/15/2026$15.00$0.759Put4 - 32504(+2503)209.69% (+61.43%)-0.20264435/15/2026$16.00$1.020Put352010180(+2)201.08% (+60.65%)-0.26138285/15/2026$17.00$1.356Put19 - 62550(+2504)194.17% (+59.05%)-0.32941645/15/2026$17.00$2.891Call56411139(+0)194.17% (+59.05%)0.673144185/15/2026$18.00$1.777Put7921501031(+0)188.76% (+56.63%)-0.404235185/15/2026$18.00$2.312Call20518420199(+45)188.76% (+56.63%)0.598586345/15/2026$19.00$1.820Call2,2391,10290756(+0)184.67% (+53.60%)0.520888755/15/2026$20.00$2.880Put846713168(-6)181.69% (+50.25%)-0.55938365/15/2026$20.00$1.414Call137802954(+8)181.69% (+50.25%)0.44402205/15/2026$21.00$1.086Call23172240(+99)182.06% (+39.64%)0.37150685/15/2026$22.00$0.828Call1531718(+0)178.26% (+43.61%)0.3058814End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Envista Options Data iRhythm Technologies Options Data TransMedics Group Options Data Liquidia Options Data LivaNova Options Data Soleno Therapeutics Options Data LeMaitre Vascular Options Data Warby Parker Options Data AxoGen Options Data Establishment Labs Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:TNDM) was last updated on 5/7/2026 by MarketBeat.com Staff. 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