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Range Low Price High Price Comment
30 days $38.44 $43.30 Thursday, 2nd May 2024 AMPH stock ended at $42.66. This is 1.38% more than the trading day before Wednesday, 1st May 2024. During the day the stock fluctuated 3.29% from a day low at $41.92 to a day high of $43.30.
90 days $38.44 $56.45
52 weeks $35.93 $67.66

Historical Amphastar Pharmaceuticals prices

Date Open High Low Close Volume
Jan 20, 2021 $18.62 $18.68 $18.31 $18.53 229 257
Jan 19, 2021 $19.12 $19.12 $18.52 $18.64 246 284
Jan 15, 2021 $19.22 $19.45 $18.67 $18.69 155 290
Jan 14, 2021 $19.50 $19.80 $19.15 $19.26 188 903
Jan 13, 2021 $19.72 $19.97 $19.31 $19.39 158 918
Jan 12, 2021 $19.62 $19.66 $19.40 $19.52 120 020
Jan 11, 2021 $19.59 $20.00 $19.47 $19.53 150 360
Jan 08, 2021 $19.02 $19.85 $19.02 $19.80 306 691
Jan 07, 2021 $20.10 $20.93 $19.73 $20.65 191 317
Jan 06, 2021 $20.26 $20.55 $19.92 $20.10 375 815
Jan 05, 2021 $20.02 $20.34 $19.67 $20.02 178 222
Jan 04, 2021 $20.26 $20.41 $19.87 $20.14 298 717
Dec 31, 2020 $19.93 $20.19 $19.84 $20.11 124 201
Dec 30, 2020 $19.65 $20.14 $19.65 $19.85 217 283
Dec 29, 2020 $20.68 $20.68 $19.70 $19.81 373 097
Dec 28, 2020 $19.42 $19.42 $18.87 $19.02 145 316
Dec 24, 2020 $18.96 $19.35 $18.96 $19.14 100 214
Dec 23, 2020 $18.85 $19.04 $18.81 $18.88 110 940
Dec 22, 2020 $18.84 $19.04 $18.60 $18.86 123 235
Dec 21, 2020 $18.71 $18.89 $18.26 $18.82 146 908
Dec 18, 2020 $18.28 $19.14 $18.20 $18.96 766 058
Dec 17, 2020 $18.48 $18.58 $18.17 $18.20 218 844
Dec 16, 2020 $18.91 $18.91 $18.34 $18.36 146 710
Dec 15, 2020 $18.93 $18.93 $18.66 $18.84 222 923
Dec 14, 2020 $18.93 $19.18 $18.82 $18.85 163 661
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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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