United Microelectronics (UMC) Options Chain & Prices $21.18 +0.88 (+4.31%) As of 01:22 PM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock UMC Put and Call Options List 1/21/2028 1/15/2027 10/16/2026 9/18/2026 8/21/2026 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 VolatilityDeltaTrades8/21/2026$17.00$0.903Put2189337(+84)100.78% (-0.06%)-0.22299588/21/2026$18.00$1.238Put4944891924(+563)99.78% (+0.05%)-0.283091508/21/2026$18.00$3.680Call1 - - 14(+8)99.78% (+0.05%)0.72123518/21/2026$19.00$1.649Put917546(+422)99.22% (+0.20%)-0.34774658/21/2026$19.00$3.094Call5 - 575(-1)99.22% (+0.20%)0.65701428/21/2026$20.00$2.138Put575110309657(+526)98.99% (+0.37%)-0.414281248/21/2026$20.00$2.584Call23810910192(+53)98.99% (+0.37%)0.590973158/21/2026$21.00$2.700Put2727 - 989(+261)98.99% (+0.56%)-0.48020228/21/2026$21.00$2.146Call3172643951(+36)98.99% (+0.56%)0.525603288/21/2026$22.00$3.329Put1 - 1592(+292)99.17% (+0.75%)-0.54348418/21/2026$22.00$1.776Call31711190(+17)99.17% (+0.75%)0.462915178/21/2026$23.00$4.018Put1 - - 1218(-9)99.47% (+0.93%)-0.60269818/21/2026$23.00$1.465Call1374368793(+215)99.47% (+0.93%)0.404337308/21/2026$24.00$1.206Call330493622348(+36)99.85% (+1.11%)0.350738668/21/2026$25.00$0.991Call10821541043(+1)100.29% (+1.28%)0.30252438End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies ASE Technology Options NXP Semiconductors Options Nokia Options Astera Labs Options STMicroelectronics Options Lumentum Options L3Harris Technologies Options Flex Options Credo Technology Group Options Celestica Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:UMC) was last updated on 7/21/2026 by MarketBeat.com Staff. From Our PartnersLouis Navellier: My #1 AI stock for 2026 (name & ticker inside)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...InvestorPlace | SponsoredTrump Takes Emergency Action - Plus Elon Musk's New VentureElon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Tru...Altimetry | SponsoredYour $29.97 book is free todayWhy Some Traders Skip Stocks Entirely You don't need a big account to trade options. 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