Range Low Price High Price Comment
30 days $38.44 $43.97 Wednesday, 1st May 2024 AMPH stock ended at $42.08. This is 2.01% more than the trading day before Tuesday, 30th Apr 2024. During the day the stock fluctuated 2.77% from a day low at $41.21 to a day high of $42.35.
90 days $38.44 $56.45
52 weeks $35.93 $67.66

Historical Amphastar Pharmaceuticals prices

Date Open High Low Close Volume
Mar 31, 2021 $18.01 $18.41 $18.01 $18.32 255 620
Mar 30, 2021 $18.11 $18.32 $17.96 $18.00 77 978
Mar 29, 2021 $18.31 $18.54 $18.06 $18.11 194 978
Mar 26, 2021 $17.92 $18.19 $17.86 $18.04 94 418
Mar 25, 2021 $17.94 $18.04 $17.63 $17.90 117 240
Mar 24, 2021 $18.08 $18.24 $17.66 $17.66 134 687
Mar 23, 2021 $18.35 $18.35 $17.85 $17.99 137 460
Mar 22, 2021 $18.13 $18.59 $18.01 $18.49 153 358
Mar 19, 2021 $17.89 $18.16 $17.64 $18.07 511 852
Mar 18, 2021 $18.00 $18.41 $17.84 $17.91 187 898
Mar 17, 2021 $18.27 $18.40 $17.82 $17.99 203 285
Mar 16, 2021 $19.25 $19.44 $17.72 $18.44 218 862
Mar 15, 2021 $19.33 $19.40 $18.88 $19.15 176 629
Mar 12, 2021 $19.06 $19.41 $18.97 $19.36 141 276
Mar 11, 2021 $18.96 $19.10 $18.71 $19.04 165 172
Mar 10, 2021 $18.88 $18.93 $18.61 $18.78 180 300
Mar 09, 2021 $18.10 $19.14 $18.10 $18.79 281 457
Mar 08, 2021 $17.44 $18.05 $17.44 $17.96 196 498
Mar 05, 2021 $17.33 $17.57 $17.12 $17.52 222 278
Mar 04, 2021 $17.70 $17.80 $17.17 $17.21 199 607
Mar 03, 2021 $17.48 $17.86 $17.20 $17.78 212 036
Mar 02, 2021 $17.44 $17.73 $17.15 $17.37 1 418 808
Mar 01, 2021 $17.79 $18.03 $17.41 $17.48 304 092
Feb 26, 2021 $17.55 $17.89 $17.31 $17.53 388 606
Feb 25, 2021 $18.22 $18.45 $17.86 $17.89 121 250
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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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