Amphastar Pharmaceuticals, Inc. (AMPH)
NasdaqGS - NasdaqGS Real Time Price. Currency in USD
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At close: 04:00PM EDT
After hours:
Time Period:
May 13, 2023 - May 13, 2024
Show:
Historical Prices
Frequency:
Daily
Currency in USDDownload
| Date | Open | High | Low | Close* | Adj Close** | Volume |
|---|---|---|---|---|---|---|
| May 13, 2024 | 42.30 | 42.50 | 41.24 | 42.37 | 42.37 | 343,874 |
| May 10, 2024 | 42.53 | 42.85 | 41.26 | 42.21 | 42.21 | 595,800 |
| May 09, 2024 | 45.56 | 46.62 | 42.15 | 42.43 | 42.43 | 450,900 |
| May 08, 2024 | 42.84 | 43.29 | 42.09 | 42.21 | 42.21 | 433,700 |
| May 07, 2024 | 42.82 | 43.47 | 41.94 | 42.77 | 42.77 | 250,400 |
| May 06, 2024 | 42.74 | 43.39 | 42.47 | 42.68 | 42.68 | 209,600 |
| May 03, 2024 | 42.99 | 43.13 | 42.03 | 42.46 | 42.46 | 353,200 |
| May 02, 2024 | 42.43 | 43.30 | 41.92 | 42.66 | 42.66 | 280,800 |
| May 01, 2024 | 41.41 | 42.37 | 41.21 | 42.08 | 42.08 | 435,000 |
| Apr 30, 2024 | 42.02 | 42.30 | 41.21 | 41.25 | 41.25 | 354,800 |
| Apr 29, 2024 | 41.15 | 42.36 | 41.15 | 42.02 | 42.02 | 344,900 |
| Apr 26, 2024 | 40.77 | 41.42 | 40.50 | 41.11 | 41.11 | 263,600 |
| Apr 25, 2024 | 40.85 | 41.07 | 40.39 | 40.83 | 40.83 | 236,100 |
| Apr 24, 2024 | 40.70 | 41.20 | 40.43 | 41.00 | 41.00 | 218,300 |
| Apr 23, 2024 | 40.29 | 41.08 | 40.29 | 40.91 | 40.91 | 210,200 |
| Apr 22, 2024 | 40.31 | 40.75 | 39.93 | 40.17 | 40.17 | 345,100 |
| Apr 19, 2024 | 38.52 | 40.06 | 38.48 | 40.01 | 40.01 | 410,100 |
| Apr 18, 2024 | 40.02 | 40.02 | 38.43 | 38.65 | 38.65 | 329,500 |
| Apr 17, 2024 | 41.23 | 41.65 | 39.82 | 40.05 | 40.05 | 494,600 |
| Apr 16, 2024 | 40.58 | 41.43 | 40.41 | 40.90 | 40.90 | 305,200 |
| Apr 15, 2024 | 39.80 | 40.90 | 39.31 | 40.78 | 40.78 | 403,700 |
| Apr 12, 2024 | 40.01 | 40.17 | 38.95 | 39.62 | 39.62 | 392,100 |
| Apr 11, 2024 | 40.35 | 40.49 | 39.81 | 40.15 | 40.15 | 375,300 |
| Apr 10, 2024 | 40.08 | 40.49 | 39.64 | 40.05 | 40.05 | 403,800 |
| Apr 09, 2024 | 41.17 | 41.23 | 40.68 | 40.90 | 40.90 | 279,700 |
| Apr 08, 2024 | 41.96 | 42.16 | 41.01 | 41.05 | 41.05 | 230,900 |
| Apr 05, 2024 | 41.34 | 42.01 | 41.01 | 41.79 | 41.79 | 369,000 |
| Apr 04, 2024 | 42.40 | 42.47 | 41.29 | 41.52 | 41.52 | 315,000 |
| Apr 03, 2024 | 42.20 | 42.40 | 41.57 | 41.94 | 41.94 | 280,300 |
| Apr 02, 2024 | 43.11 | 43.15 | 42.07 | 42.32 | 42.32 | 421,300 |
| Apr 01, 2024 | 43.97 | 43.97 | 43.11 | 43.44 | 43.44 | 312,300 |
| Mar 28, 2024 | 43.76 | 44.83 | 43.76 | 43.91 | 43.91 | 453,300 |
| Mar 27, 2024 | 43.54 | 43.87 | 43.05 | 43.52 | 43.52 | 419,300 |
| Mar 26, 2024 | 43.98 | 43.98 | 42.84 | 43.21 | 43.21 | 365,300 |
| Mar 25, 2024 | 44.04 | 44.32 | 43.61 | 43.63 | 43.63 | 285,500 |
| Mar 22, 2024 | 44.45 | 44.47 | 43.45 | 43.70 | 43.70 | 310,900 |
| Mar 21, 2024 | 44.28 | 44.63 | 43.70 | 44.53 | 44.53 | 315,200 |
| Mar 20, 2024 | 44.61 | 44.89 | 44.00 | 44.03 | 44.03 | 316,800 |
| Mar 19, 2024 | 42.78 | 44.68 | 42.75 | 44.57 | 44.57 | 410,600 |
| Mar 18, 2024 | 43.05 | 43.40 | 42.16 | 42.85 | 42.85 | 322,800 |
| Mar 15, 2024 | 43.16 | 43.76 | 42.80 | 43.05 | 43.05 | 704,100 |
| Mar 14, 2024 | 43.37 | 43.52 | 42.96 | 43.19 | 43.19 | 447,200 |
| Mar 13, 2024 | 44.01 | 44.32 | 43.26 | 43.55 | 43.55 | 419,700 |
| Mar 12, 2024 | 43.82 | 44.24 | 43.17 | 44.15 | 44.15 | 524,300 |
| Mar 11, 2024 | 45.46 | 45.58 | 43.75 | 43.81 | 43.81 | 571,300 |
| Mar 08, 2024 | 46.53 | 47.05 | 45.43 | 45.67 | 45.67 | 427,500 |
| Mar 07, 2024 | 45.08 | 47.07 | 45.00 | 46.76 | 46.76 | 459,500 |
| Mar 06, 2024 | 48.00 | 48.00 | 45.77 | 46.31 | 46.31 | 510,900 |
| Mar 05, 2024 | 47.36 | 47.81 | 46.44 | 47.33 | 47.33 | 517,500 |
| Mar 04, 2024 | 46.47 | 46.96 | 45.49 | 46.68 | 46.68 | 658,300 |
| Mar 01, 2024 | 47.08 | 47.08 | 45.17 | 46.22 | 46.22 | 1,131,600 |
| Feb 29, 2024 | 49.81 | 50.35 | 44.58 | 46.57 | 46.57 | 1,798,000 |
| Feb 28, 2024 | 55.95 | 55.95 | 53.96 | 54.74 | 54.74 | 378,200 |
| Feb 27, 2024 | 55.85 | 56.38 | 55.06 | 55.44 | 55.44 | 501,900 |
| Feb 26, 2024 | 53.41 | 55.69 | 53.39 | 55.09 | 55.09 | 368,100 |
| Feb 23, 2024 | 52.30 | 53.55 | 51.91 | 53.41 | 53.41 | 289,100 |
| Feb 22, 2024 | 51.34 | 52.38 | 51.26 | 51.91 | 51.91 | 432,100 |
| Feb 21, 2024 | 52.16 | 52.82 | 51.08 | 51.25 | 51.25 | 469,000 |
| Feb 20, 2024 | 53.59 | 53.59 | 51.70 | 52.45 | 52.45 | 422,900 |
| Feb 16, 2024 | 55.40 | 55.58 | 53.68 | 54.06 | 54.06 | 348,300 |
| Feb 15, 2024 | 55.00 | 55.61 | 54.04 | 55.51 | 55.51 | 376,900 |
| Feb 14, 2024 | 55.24 | 55.88 | 54.80 | 54.93 | 54.93 | 243,100 |
| Feb 13, 2024 | 54.86 | 55.85 | 54.27 | 54.75 | 54.75 | 358,300 |
| Feb 12, 2024 | 55.91 | 56.45 | 55.38 | 56.02 | 56.02 | 325,700 |
| Feb 09, 2024 | 55.07 | 56.12 | 54.70 | 55.61 | 55.61 | 354,500 |
| Feb 08, 2024 | 53.09 | 54.72 | 52.79 | 54.60 | 54.60 | 377,000 |
| Feb 07, 2024 | 52.40 | 53.45 | 52.13 | 52.96 | 52.96 | 319,500 |
| Feb 06, 2024 | 52.24 | 52.72 | 51.26 | 52.49 | 52.49 | 590,400 |
| Feb 05, 2024 | 52.47 | 53.04 | 52.06 | 52.35 | 52.35 | 361,600 |
| Feb 02, 2024 | 53.10 | 53.41 | 52.25 | 52.80 | 52.80 | 387,000 |
| Feb 01, 2024 | 53.56 | 53.68 | 52.01 | 53.49 | 53.49 | 392,100 |
| Jan 31, 2024 | 55.14 | 55.28 | 53.32 | 53.36 | 53.36 | 367,100 |
| Jan 30, 2024 | 55.40 | 55.51 | 54.16 | 54.94 | 54.94 | 384,100 |
| Jan 29, 2024 | 54.49 | 55.56 | 53.82 | 55.39 | 55.39 | 1,156,500 |
| Jan 26, 2024 | 54.09 | 54.60 | 53.40 | 53.88 | 53.88 | 538,200 |
| Jan 25, 2024 | 55.59 | 55.86 | 52.93 | 53.24 | 53.24 | 361,000 |
| Jan 24, 2024 | 56.02 | 56.13 | 55.00 | 55.22 | 55.22 | 210,800 |
| Jan 23, 2024 | 56.19 | 56.77 | 55.25 | 55.45 | 55.45 | 201,900 |
| Jan 22, 2024 | 55.52 | 56.57 | 55.23 | 55.92 | 55.92 | 289,700 |
| Jan 19, 2024 | 56.70 | 56.88 | 54.11 | 55.04 | 55.04 | 438,500 |
| Jan 18, 2024 | 56.44 | 56.45 | 55.30 | 56.43 | 56.43 | 308,100 |
| Jan 17, 2024 | 55.02 | 56.37 | 54.92 | 56.14 | 56.14 | 345,500 |
| Jan 16, 2024 | 54.00 | 55.77 | 53.81 | 55.50 | 55.50 | 417,900 |
| Jan 12, 2024 | 54.28 | 54.80 | 53.53 | 54.21 | 54.21 | 606,000 |
| Jan 11, 2024 | 54.60 | 54.64 | 52.33 | 54.03 | 54.03 | 719,800 |
| Jan 10, 2024 | 56.97 | 57.25 | 53.58 | 54.82 | 54.82 | 1,212,100 |
| Jan 09, 2024 | 58.64 | 58.64 | 56.07 | 56.82 | 56.82 | 625,300 |
| Jan 08, 2024 | 63.31 | 63.96 | 56.42 | 59.45 | 59.45 | 965,000 |
| Jan 05, 2024 | 63.45 | 65.92 | 62.45 | 62.74 | 62.74 | 614,000 |
| Jan 04, 2024 | 61.66 | 64.42 | 61.50 | 63.45 | 63.45 | 541,800 |
| Jan 03, 2024 | 62.26 | 63.15 | 60.86 | 61.04 | 61.04 | 524,700 |
| Jan 02, 2024 | 61.78 | 62.41 | 60.08 | 62.29 | 62.29 | 428,700 |
| Dec 29, 2023 | 62.20 | 62.87 | 60.85 | 61.85 | 61.85 | 448,600 |
| Dec 28, 2023 | 63.10 | 63.15 | 62.10 | 62.17 | 62.17 | 342,700 |
| Dec 27, 2023 | 62.96 | 63.67 | 61.62 | 62.93 | 62.93 | 306,400 |
| Dec 26, 2023 | 61.00 | 63.50 | 61.00 | 62.51 | 62.51 | 647,700 |
| Dec 22, 2023 | 60.42 | 61.47 | 59.94 | 60.92 | 60.92 | 314,500 |
| Dec 21, 2023 | 59.35 | 59.97 | 58.62 | 59.96 | 59.96 | 203,200 |
| Dec 20, 2023 | 60.54 | 60.72 | 58.53 | 58.53 | 58.53 | 305,900 |
| Dec 19, 2023 | 58.25 | 60.49 | 58.24 | 60.46 | 60.46 | 377,200 |
| *Close price adjusted for splits.**Adjusted close price adjusted for splits and dividend and/or capital gain distributions. | ||||||
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