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Range Low Price High Price Comment
30 days $38.44 $44.83 Wednesday, 24th Apr 2024 AMPH stock ended at $41.00. This is 0.220% more than the trading day before Tuesday, 23rd Apr 2024. During the day the stock fluctuated 1.90% from a day low at $40.43 to a day high of $41.20.
90 days $38.44 $56.45
52 weeks $35.62 $67.66

Historical Amphastar Pharmaceuticals prices

Date Open High Low Close Volume
Sep 21, 2021 $18.69 $18.80 $18.43 $18.45 104 777
Sep 20, 2021 $18.15 $18.77 $18.11 $18.71 196 383
Sep 17, 2021 $17.88 $18.42 $17.75 $18.37 486 555
Sep 16, 2021 $17.82 $18.08 $17.56 $17.93 116 353
Sep 15, 2021 $18.00 $18.32 $17.85 $17.88 116 003
Sep 14, 2021 $18.56 $18.59 $17.82 $17.98 126 090
Sep 13, 2021 $18.07 $18.50 $17.80 $18.45 183 858
Sep 10, 2021 $18.00 $18.66 $17.80 $17.83 152 484
Sep 09, 2021 $19.47 $19.47 $18.05 $18.05 177 284
Sep 08, 2021 $19.30 $19.30 $18.53 $18.72 155 109
Sep 07, 2021 $19.20 $19.85 $18.75 $18.80 149 603
Sep 03, 2021 $19.52 $19.52 $19.23 $19.27 125 706
Sep 02, 2021 $19.70 $19.94 $19.42 $19.53 252 982
Sep 01, 2021 $19.58 $19.83 $19.57 $19.74 156 266
Aug 31, 2021 $19.31 $19.67 $19.31 $19.66 176 183
Aug 30, 2021 $19.27 $19.49 $19.27 $19.38 156 313
Aug 27, 2021 $18.95 $19.49 $18.95 $19.30 210 520
Aug 26, 2021 $18.78 $19.05 $18.73 $18.90 143 044
Aug 25, 2021 $19.01 $19.09 $18.80 $18.86 103 370
Aug 24, 2021 $19.17 $19.47 $19.13 $19.22 107 387
Aug 23, 2021 $18.85 $19.21 $18.85 $19.17 97 337
Aug 20, 2021 $18.59 $19.47 $18.59 $18.89 204 408
Aug 19, 2021 $18.98 $19.06 $18.50 $18.68 109 122
Aug 18, 2021 $19.13 $19.43 $19.05 $19.08 130 832
Aug 17, 2021 $19.27 $19.28 $19.05 $19.16 122 459
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About Amphastar Pharmaceuticals

Amphastar Pharmaceuticals Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. The company operates through two segments, Finished Pharmaceutical Products and API. It offers Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma; Eno... AMPH Profile

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