Definium Therapeutics (DFTX) Options Chain & Prices $40.98 -2.84 (-6.48%) As of 08/28/2026 04:00 PM Eastern Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest DFTX Put and Call Options List 1/21/2028 3/19/2027 1/15/2027 12/18/2026 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$33.00$0.442Put44 - 11(+0)81.35% (-2.13%)-0.10718919/18/2026$34.00$0.597Put1 - - 38(+1)80.92% (-2.05%)-0.13706219/18/2026$35.00$0.794Put1110 - 268(+0)80.52% (-1.97%)-0.17209929/18/2026$37.00$1.313Put844345(+0)79.86% (-1.82%)-0.2538739/18/2026$38.00$1.640Put7 - 1318(+0)79.58% (-1.75%)-0.29924459/18/2026$39.00$2.030Put58322661(+1)79.32% (-1.70%)-0.348785109/18/2026$40.00$2.466Put14760431053(+19)79.09% (-1.64%)-0.399211359/18/2026$40.00$3.780Call44 - 99(+0)79.09% (-1.64%)0.60804719/18/2026$41.00$3.268Call1411315(-8)78.88% (-1.59%)0.55734659/18/2026$42.00$3.490Put31131896(-1)78.69% (-1.53%)-0.5007947 Get the Latest News and Ratings for DFTX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Definium Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 9/18/2026$42.00$2.817Call37201725(-1)78.69% (-1.53%)0.507674119/18/2026$43.00$4.082Put1212 - 158(-2)78.52% (-1.49%)-0.55119229/18/2026$43.00$2.397Call2 - 222(+0)78.52% (-1.49%)0.45700829/18/2026$44.00$4.721Put3 - 1861(+2)78.37% (-1.44%)-0.60001639/18/2026$45.00$5.419Put2 - 2307(-8)78.23% (-1.41%)-0.64759729/18/2026$45.00$1.716Call12312967761(-7)76.24% (-4.45%)0.363046379/18/2026$46.00$1.440Call2020 - 54(+5)78.11% (-1.37%)0.31989819/18/2026$47.00$1.201Call11 - 11181(+0)78.00% (-1.33%)0.2798229/18/2026$48.00$0.996Call24616269(+0)77.89% (-1.30%)0.24304479/18/2026$49.00$0.822Call11 - 196(+14)77.80% (-1.27%)0.2096551End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Viatris Options Data Jazz Pharmaceuticals Options Data Neurocrine Biosciences Options Data Corcept Therapeutics Options Data Elanco Animal Health Options Data Axsome Therapeutics Options Data Dr. Reddy's Laboratories Options Data Crinetics Pharmaceuticals Options Data Lantheus Options Data Liquidia Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:DFTX) 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. 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