Amphastar Pharmaceuticals (AMPH) Options Chain & Prices $21.18 -0.77 (-3.51%) Closing price 07/15/2025 04:00 PM EasternExtended Trading$21.15 -0.03 (-0.16%) As of 07/15/2025 06:41 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock AMPH Put and Call Options List 12/19/2025 9/19/2025 8/15/2025 7/18/2025 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 VolatilityDeltaTradesEnd-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Avidity Biosciences Options PTC Therapeutics Options Arcellx Options Merus Options Zai Lab Options Scholar Rock Options ACADIA Pharmaceuticals Options Viking Therapeutics Options SpringWorks Therapeutics Options Protagonist Therapeutics Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:AMPH) was last updated on 7/16/2025 by MarketBeat.com Staff From Our Partners3..2..1.. AI 2.0 ignition (don’t sleep on this)I just put together an urgent new presentation that you need to see right away. 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