Amphastar Pharmaceuticals (AMPH) Stock Chart & Stock Price History $44.09 +0.47 (+1.08%) (As of 11/20/2024 ET) Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Amphastar Pharmaceuticals Stock Price Performance 5 Day Performance-1.17%1 Month Performance-13.24%3 Month Performance-5.93%6 Month Performance+5.20%Year-To-Date Performance-28.71%1 Year Performance-22.17% Receive AMPH Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amphastar Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address Blackrock’s Sending THIS Crypto Higher on Purpose (Ad)It's a groundbreaking opportunity that could be poised for extraordinary gains. The catalyst behind this surge is a massive new blockchain development…YES, I WANT THE #1 CRYPTO NOW AMPH Stock Chart for Thursday, November, 21, 2024 AMPH Chart by TradingView Amphastar Pharmaceuticals Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization11/20/2024$43.62$44.09+1.08%$44.54$43.09607,136 shs$2.12 billion11/19/2024$44.16$43.62-1.22%$44.27$43.21432,584 shs$2.10 billion11/18/2024$44.61$44.16-1.01%$44.70$44.00343,041 shs$2.12 billion11/15/2024$45.06$44.61-1.00%$45.39$43.88408,627 shs$2.14 billion11/14/2024$45.48$45.06-0.92%$45.87$44.71359,021 shs$2.17 billion11/13/2024$47.71$45.48-4.67%$47.99$45.38421,188 shs$2.19 billion Get the Latest News and Ratings for AMPH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Amphastar Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 11/12/2024$48.57$47.71-1.77%$49.12$47.48364,171 shs$2.32 billion11/11/2024$48.31$48.57+0.54%$49.17$47.37382,477 shs$2.35 billion11/08/2024$46.09$48.31+4.82%$49.53$46.03626,882 shs$2.35 billion11/07/2024$53.40$46.09-13.69%$49.44$46.031.37 million shs$2.24 billion11/06/2024$51.56$53.40+3.57%$53.96$52.05606,089 shs$2.60 billion11/05/2024$50.59$51.56+1.92%$51.72$50.33199,229 shs$2.51 billion11/04/2024$50.73$50.59-0.28%$51.53$50.26376,563 shs$2.46 billion11/01/2024$50.53$50.73+0.40%$51.22$50.25181,198 shs$2.47 billion10/31/2024$50.78$50.53-0.49%$51.35$50.06266,346 shs$2.47 billion10/30/2024$51.15$50.78-0.72%$51.57$50.42289,249 shs$2.48 billion10/29/2024$51.41$51.15-0.51%$51.36$50.55180,767 shs$2.50 billion10/28/2024$50.29$51.41+2.23%$51.84$50.53337,991 shs$2.51 billion10/25/2024$49.63$50.29+1.33%$50.55$49.80179,313 shs$2.46 billion10/24/2024$49.83$49.63-0.40%$51.36$49.38442,390 shs$2.43 billion10/23/2024$50.38$49.83-1.09%$50.63$49.47271,479 shs$2.44 billion10/22/2024$50.82$50.38-0.87%$51.02$50.20188,528 shs$2.46 billion10/21/2024$50.84$50.82-0.04%$51.42$50.08208,974 shs$2.49 billion Related Companies PTGX Stock Chart SNDX Stock Chart CALT Stock Chart PAHC Stock Chart ESPR Stock Chart ENTA Stock Chart ROIV Stock Chart ASND Stock Chart LEGN Stock Chart ELAN Stock Chart Receive AMPH Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amphastar Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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