CollPlant Biotechnologies (CLGN) Options Chain & Prices $2.58 -0.05 (-1.90%) Closing price 03:59 PM EasternExtended Trading$2.63 +0.05 (+2.09%) As of 05:43 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 Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock CLGN Put and Call Options List 4/17/2026 1/16/2026 10/17/2025 9/19/2025 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 to Excel ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades9/19/2025$2.50$0.168Call1 - 1152(+0)116.93% (-14.41%)0.673161End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies PROF Options Data RCEL Options Data EDAP Options Data NSPR Options Data HYPR Options Data APYX Options Data VANI Options Data LUNG Options Data CTSO Options Data TELA Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:CLGN) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersWhy More Investors Are Using Family Trusts to Protect Their WealthFor many investors, a family trust can be an essential tool for protecting assets, avoiding probate, and ensur...SmartAsset | SponsoredCrypto Gets Official Government Backing—Here's the WinnerTrump Just Signed the GENIUS Act—One Coin is About to Explode We're at the BEGINNING of smart money really ...Crypto 101 Media | SponsoredIRS Wants Another Check on Sept 15th—What If You Could Keep It Instead?On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed profession...American Alternative | SponsoredNvidia CEO Makes First Ever Tesla AnnouncementWhile headlines focus on Tesla’s car sales, tech analyst Jeff Brown says the real story is Tesla’s role in a $...Brownstone Research | SponsoredNvidia Times 1,000,000Nvidia’s latest AI chip is a $25,000 powerhouse — with 80 billion transistors and the ability to perform 60 tr...Paradigm Press | SponsoredOpenAI’s new $300 billion dealOpenAI just signed a $300 billion cloud deal with Oracle to secure the computing power needed for its next Cha...Porter & Company | SponsoredNew Buy Alert: Should you put $1,000 into Oracle (ORCL) now?Barron's is calling this Oracle's "Nvidia Moment..." 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