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Amphastar Pharma (AMPH)
NASDAQ
$20.15+$0.21 (+1.05%)
Price as of Aug 03, 2026 8:02 AM EDT- $879.2MMarket Cap
- -5.99%1-Year Change
- Drug Manufacturers - Specialty & GenericIndustry
Amphastar Pharma (AMPH)
$20.15+$0.21 (+1.05%)
- 1 Month-1.19%Low Price$18.72High Price$20.58
- 3 Months-9.20%Low Price$16.87High Price$24.03
- 1 Year-5.99%Low Price$16.87High Price$30.81
Date
| Open | High | Low | Close | Change (%) | Volume |
|---|---|---|---|---|---|---|
07/31/2026 | 20.35 | 20.41 | 19.67 | 19.94 | -2.16% | 367,629 |
07/30/2026 | 20.31 | 20.53 | 19.95 | 20.38 | -0.97% | 355,683 |
07/29/2026 | 20.24 | 20.70 | 19.99 | 20.58 | +2.13% | 321,673 |
07/28/2026 | 19.38 | 20.27 | 19.38 | 20.15 | +5.06% | 390,836 |
07/27/2026 | 18.97 | 19.31 | 18.96 | 19.18 | +2.46% | 285,919 |
07/24/2026 | 18.90 | 19.12 | 18.50 | 18.72 | -0.79% | 445,584 |
07/23/2026 | 19.08 | 19.34 | 18.73 | 18.87 | -2.23% | 650,430 |
07/22/2026 | 19.71 | 19.95 | 19.20 | 19.30 | -1.48% | 409,242 |
07/21/2026 | 19.42 | 19.89 | 19.42 | 19.59 | -0.20% | 621,073 |
07/20/2026 | 19.78 | 19.91 | 19.52 | 19.63 | -0.58% | 437,416 |
07/17/2026 | 19.84 | 20.35 | 19.63 | 19.75 | -0.58% | 338,457 |
07/16/2026 | 19.40 | 20.14 | 19.40 | 19.86 | +2.37% | 416,861 |
07/15/2026 | 18.87 | 19.50 | 18.83 | 19.40 | +3.16% | 356,089 |
07/14/2026 | 19.10 | 19.39 | 18.46 | 18.81 | -2.51% | 321,518 |
07/13/2026 | 19.00 | 19.68 | 18.95 | 19.29 | +3.04% | 384,539 |
07/10/2026 | 18.97 | 19.15 | 18.61 | 18.72 | -1.58% | 311,051 |
07/09/2026 | 18.86 | 19.13 | 18.61 | 19.02 | +0.74% | 446,579 |
07/08/2026 | 19.96 | 19.96 | 18.52 | 18.88 | -5.98% | 438,664 |
07/07/2026 | 20.06 | 20.28 | 19.74 | 20.08 | +2.40% | 449,984 |
07/06/2026 | 19.48 | 20.01 | 19.08 | 19.61 | -0.15% | 313,781 |
07/02/2026 | 20.35 | 20.35 | 19.63 | 19.64 | -2.29% | 315,753 |
07/01/2026 | 20.32 | 20.54 | 19.91 | 20.10 | -0.40% | 422,006 |
06/30/2026 | 20.71 | 20.71 | 19.86 | 20.18 | -2.56% | 400,207 |
06/29/2026 | 21.12 | 21.24 | 19.66 | 20.71 | -4.91% | 727,089 |
06/26/2026 | 21.01 | 21.81 | 20.88 | 21.78 | +3.52% | 623,975 |
06/25/2026 | 21.00 | 22.00 | 20.79 | 21.04 | +0.10% | 481,265 |
06/24/2026 | 19.77 | 21.09 | 19.77 | 21.02 | +7.63% | 701,214 |
06/23/2026 | 18.61 | 19.58 | 18.50 | 19.53 | +6.55% | 660,872 |
06/22/2026 | 18.80 | 18.90 | 18.22 | 18.33 | -2.55% | 767,439 |
06/18/2026 | 19.51 | 19.66 | 18.70 | 18.81 | -3.09% | 1,327,603 |
06/17/2026 | 19.94 | 20.26 | 19.15 | 19.41 | -2.76% | 1,008,517 |
06/16/2026 | 19.91 | 20.41 | 19.62 | 19.96 | +1.27% | 724,208 |
06/15/2026 | 20.11 | 20.29 | 19.59 | 19.71 | -1.89% | 528,512 |
06/12/2026 | 19.90 | 20.55 | 19.90 | 20.09 | -2.14% | 377,788 |
06/11/2026 | 20.15 | 20.65 | 20.10 | 20.53 | +1.18% | 463,562 |
06/10/2026 | 20.21 | 20.77 | 19.99 | 20.29 | +0.64% | 405,165 |
06/09/2026 | 19.53 | 20.27 | 19.53 | 20.16 | +3.97% | 506,256 |
06/08/2026 | 19.75 | 19.85 | 19.34 | 19.39 | -1.77% | 558,989 |
06/05/2026 | 18.86 | 20.14 | 18.85 | 19.74 | +5.56% | 750,284 |
06/04/2026 | 18.28 | 18.90 | 18.28 | 18.70 | +3.20% | 459,231 |
06/03/2026 | 18.26 | 18.36 | 17.73 | 18.12 | -1.79% | 509,284 |
06/02/2026 | 18.36 | 18.67 | 18.10 | 18.45 | +0.16% | 810,643 |
06/01/2026 | 18.63 | 19.01 | 18.22 | 18.42 | -2.28% | 569,685 |
05/29/2026 | 19.28 | 19.46 | 18.55 | 18.85 | -2.33% | 849,067 |
05/28/2026 | 19.04 | 19.55 | 19.02 | 19.30 | +1.05% | 621,218 |
05/27/2026 | 19.31 | 19.34 | 18.50 | 19.10 | +1.54% | 501,592 |
05/26/2026 | 18.45 | 19.12 | 18.45 | 18.81 | +2.17% | 670,766 |
05/22/2026 | 18.25 | 18.44 | 17.93 | 18.41 | +1.38% | 485,175 |
05/21/2026 | 18.07 | 18.37 | 17.76 | 18.16 | +0.44% | 1,656,977 |
05/20/2026 | 17.81 | 18.19 | 17.70 | 18.08 | +1.46% | 868,756 |
05/19/2026 | 17.28 | 17.91 | 17.00 | 17.82 | +3.60% | 725,146 |
05/18/2026 | 16.70 | 17.31 | 16.65 | 17.20 | +1.96% | 866,027 |
05/15/2026 | 17.27 | 17.53 | 16.76 | 16.87 | -2.49% | 679,289 |
05/14/2026 | 17.81 | 18.08 | 17.26 | 17.30 | -5.57% | 739,074 |
05/13/2026 | 17.50 | 18.57 | 17.43 | 18.32 | +4.69% | 971,188 |
05/12/2026 | 18.41 | 18.58 | 17.26 | 17.50 | -5.15% | 1,219,603 |
05/11/2026 | 19.13 | 19.41 | 18.33 | 18.45 | -2.89% | 1,359,763 |
05/08/2026 | 18.58 | 19.53 | 18.28 | 19.00 | -20.93% | 1,983,804 |
05/07/2026 | 24.01 | 24.35 | 23.87 | 24.03 | +0.54% | 373,521 |
05/07/2026 |
$0.42 Earnings | |||||
05/06/2026 | 23.50 | 24.15 | 23.50 | 23.90 | +2.18% | 392,763 |
05/05/2026 | 22.85 | 23.46 | 22.75 | 23.39 | +2.86% | 366,945 |
05/04/2026 | 21.82 | 23.22 | 21.72 | 22.74 | +3.93% | 487,139 |
05/01/2026 | 21.98 | 22.26 | 21.64 | 21.88 | -0.36% | 353,190 |
04/30/2026 | 21.63 | 22.36 | 21.57 | 21.96 | +1.53% | 407,242 |
04/29/2026 | 21.50 | 21.86 | 21.48 | 21.63 | -0.87% | 266,941 |
04/28/2026 | 21.71 | 22.04 | 21.56 | 21.82 | +0.79% | 281,225 |
04/27/2026 | 21.47 | 22.06 | 21.46 | 21.65 | +1.12% | 329,513 |
04/24/2026 | 21.05 | 21.60 | 20.77 | 21.41 | +1.90% | 429,703 |
04/23/2026 | 20.99 | 21.23 | 20.77 | 21.01 | +0.10% | 302,590 |
04/22/2026 | 21.40 | 21.59 | 20.77 | 20.99 | -1.04% | 410,802 |
04/21/2026 | 22.38 | 22.66 | 21.10 | 21.21 | -7.46% | 684,192 |
04/20/2026 | 22.67 | 23.26 | 22.54 | 22.92 | +0.17% | 542,349 |
04/17/2026 | 22.18 | 23.00 | 21.98 | 22.88 | +4.91% | 537,832 |
04/16/2026 | 21.67 | 22.02 | 21.41 | 21.81 | +0.60% | 361,313 |
04/15/2026 | 21.38 | 21.76 | 21.19 | 21.68 | +1.40% | 389,357 |
04/14/2026 | 21.36 | 21.70 | 21.12 | 21.38 | +0.09% | 343,451 |
04/13/2026 | 20.17 | 21.48 | 20.17 | 21.36 | +4.86% | 577,873 |
04/10/2026 | 20.98 | 21.10 | 20.14 | 20.37 | -2.40% | 354,457 |
04/09/2026 | 20.32 | 21.19 | 20.32 | 20.87 | +2.30% | 519,216 |
04/08/2026 | 20.68 | 21.07 | 20.18 | 20.40 | -0.87% | 613,466 |
04/07/2026 | 20.39 | 20.81 | 20.26 | 20.58 | 0.00% | 351,463 |
04/06/2026 | 20.45 | 20.73 | 20.04 | 20.58 | +0.64% | 344,067 |
04/02/2026 | 19.95 | 20.66 | 19.88 | 20.45 | +1.04% | 390,454 |
04/01/2026 | 19.74 | 20.31 | 19.68 | 20.24 | +3.32% | 677,388 |
03/31/2026 | 19.53 | 20.00 | 19.27 | 19.59 | +1.93% | 534,427 |
03/30/2026 | 19.15 | 19.67 | 19.07 | 19.22 | +1.10% | 410,715 |
03/27/2026 | 19.37 | 19.64 | 18.92 | 19.01 | -2.66% | 346,015 |
03/26/2026 | 19.50 | 19.80 | 18.98 | 19.53 | -0.20% | 363,470 |
03/25/2026 | 19.45 | 19.96 | 19.39 | 19.57 | +1.77% | 317,563 |
03/24/2026 | 19.10 | 19.57 | 18.98 | 19.23 | 0.00% | 367,780 |
03/23/2026 | 20.04 | 20.08 | 19.23 | 19.23 | -1.38% | 414,859 |
03/20/2026 | 19.56 | 19.76 | 19.15 | 19.50 | -0.20% | 1,133,340 |
03/19/2026 | 19.10 | 19.82 | 19.06 | 19.54 | +2.84% | 583,123 |
03/18/2026 | 19.21 | 19.47 | 18.97 | 19.00 | -2.61% | 650,426 |
03/17/2026 | 19.48 | 20.00 | 19.48 | 19.51 | +0.52% | 635,572 |
03/16/2026 | 18.93 | 19.46 | 18.65 | 19.41 | +6.77% | 737,990 |
03/13/2026 | 18.23 | 18.46 | 17.81 | 18.18 | +0.03% | 604,648 |
03/12/2026 | 18.58 | 18.58 | 17.03 | 18.18 | -3.17% | 901,683 |
03/11/2026 | 18.91 | 19.50 | 18.52 | 18.77 | -0.74% | 548,285 |