United Microelectronics (UMC) Options Chain & Prices $24.63 +0.16 (+0.65%) Closing price 09/18/2026 03:59 PM EasternExtended Trading$24.73 +0.10 (+0.42%) As of 09/18/2026 08:00 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 ForecastsChartCompetitorsDividendEarningsFinancialsNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest UMC Put and Call Options List 1/19/2029 1/21/2028 4/16/2027 1/15/2027 11/20/2026 10/16/2026 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 VolatilityDeltaTrades10/16/2026$20.00$0.218Put903 - 2062(+1)63.68% (-1.96%)-0.099638810/16/2026$20.00$4.928Call22 - 212246(+3)63.68% (-1.96%)0.89972610/16/2026$21.00$0.350Put3 - 11793(-23)61.59% (-1.85%)-0.149999210/16/2026$21.00$4.063Call4 - - 1560(+0)61.59% (-1.85%)0.849545210/16/2026$22.00$0.555Put1295885290(+18)60.26% (-1.84%)-0.2182496010/16/2026$22.00$3.271Call746681942(-23)60.26% (-1.84%)0.7815821210/16/2026$23.00$0.855Put68694399604(+18)59.61% (-1.92%)-0.30262418510/16/2026$23.00$2.574Call163173727058(-1680)59.61% (-1.92%)0.6975683010/16/2026$24.00$1.264Put5026191133(+175)59.50% (-2.08%)-0.3973452210/16/2026$24.00$1.984Call227112495(+1675)59.50% (-2.08%)0.6033571110/16/2026$25.00$1.783Put5049 - 678(+77)59.80% (-2.27%)-0.4944162310/16/2026$25.00$1.504Call1,01965429017619(-186)59.80% (-2.27%)0.5068526610/16/2026$26.00$1.126Call211164529587(+4107)60.38% (-2.49%)0.4152663610/16/2026$27.00$0.836Call18 - 6806(+18)61.14% (-2.70%)0.333426810/16/2026$28.00$0.617Call61 - 367(+30)62.00% (-2.91%)0.263549410/16/2026$29.00$0.453Call4 - 1903(+13)62.91% (-3.12%)0.2058554End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Marvell Technology Options Qualcomm Options Analog Devices Options ASE Technology Options Monolithic Power Systems Options NXP Semiconductors Options Astera Labs Options STMicroelectronics Options Microchip Technology Options Credo Technology Group Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:UMC) was last updated on 9/18/2026 by MarketBeat.com Staff. From Our PartnersALERT: Drop these 5 stocks before the market opens tomorrow!The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...Weiss Ratings | SponsoredThey didn't warn anyone in 1971. 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