United Microelectronics (UMC) Options Chain & Prices $19.88 +0.81 (+4.25%) As of 08/28/2026 03:58 PM Eastern Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest UMC Put and Call Options List 1/21/2028 4/16/2027 1/15/2027 10/16/2026 9/18/2026 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 VolatilityDeltaTrades9/18/2026$16.00$0.106Put1 - - 866(-1)66.04% (+6.85%)-0.07265619/18/2026$16.00$4.028Call93641(+2)66.04% (+6.85%)0.92852859/18/2026$17.00$0.195Put21138327(-1)61.51% (+4.57%)-0.12659109/18/2026$17.00$3.119Call3111875(+0)61.51% (+4.57%)0.87490939/18/2026$18.00$0.361Put1196146688(+22)58.33% (+2.28%)-0.214795129/18/2026$18.00$2.287Call1 - - 839(+0)58.33% (+2.28%)0.78729619/18/2026$19.00$0.657Put153113776(-22)56.73% (+0.35%)-0.34020549/18/2026$19.00$1.583Call2094375(+0)56.73% (+0.35%)0.662823129/18/2026$20.00$1.121Put1696512(+0)56.69% (-0.91%)-0.48613189/18/2026$20.00$1.047Call3712905828456(+455)56.69% (-0.96%)0.518139469/18/2026$21.00$1.753Put7 - 4515(+0)57.86% (-1.49%)-0.6242569/18/2026$21.00$0.676Call40726381(+0)57.86% (-1.49%)0.381404219/18/2026$22.00$2.516Put1 - 136(+0)59.80% (-1.60%)-0.73598219/18/2026$22.00$0.437Call4126111555(+1)59.80% (-1.60%)0.271056199/18/2026$23.00$0.285Call117139326167(+234)62.12% (-1.44%)0.19001821End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Analog Devices Options Qualcomm Options ASE Technology Options Monolithic Power Systems Options NXP Semiconductors Options Astera Labs Options STMicroelectronics Options Credo Technology Group Options Microchip Technology Options onsemi Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:UMC) was last updated on 8/28/2026 by MarketBeat.com Staff. From Our PartnersThe retirement stock I'd buy before Nvidia todayIn 2014, Marc Chaikin pointed readers toward Nvidia. Now the 60-year Wall Street veteran and creator of the Ch...Chaikin Analytics | SponsoredWhy major institutions are piling into this digital asset nowBlackRock, JPMorgan, Goldman Sachs, and Fidelity are reportedly accumulating a scarce blockchain asset - one t...Awesomely | SponsoredThe cat is out the bagAlmost 80,000 tech jobs vanished in the first three months of 2026. 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