Amphastar Pharmaceuticals, Inc. (AMPH)
NASDAQ: AMPH · Real-Time Price · USD
47.88
+1.16 (2.48%)
At close: Sep 26, 2024, 4:00 PM
48.68
+0.80 (1.67%)
After-hours: Sep 26, 2024, 6:08 PM EDT
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 26, 2024 | 47.00 | 47.94 | 46.93 | 47.88 | 47.88 | 2.48% | 207,199 |
| Sep 25, 2024 | 47.43 | 47.77 | 46.58 | 46.72 | 46.72 | -1.41% | 267,518 |
| Sep 24, 2024 | 48.69 | 48.95 | 47.21 | 47.39 | 47.39 | -2.51% | 256,437 |
| Sep 23, 2024 | 49.20 | 49.61 | 48.46 | 48.61 | 48.61 | -1.16% | 221,343 |
| Sep 20, 2024 | 50.46 | 50.62 | 48.94 | 49.18 | 49.18 | -1.82% | 990,071 |
| Sep 19, 2024 | 50.61 | 50.61 | 49.24 | 50.09 | 50.09 | 0.62% | 342,761 |
| Sep 18, 2024 | 48.59 | 50.23 | 48.30 | 49.78 | 49.78 | 2.34% | 565,159 |
| Sep 17, 2024 | 49.28 | 49.28 | 48.00 | 48.64 | 48.64 | 0.54% | 290,269 |
| Sep 16, 2024 | 48.54 | 48.79 | 47.60 | 48.38 | 48.38 | 0.60% | 401,970 |
| Sep 13, 2024 | 47.23 | 48.34 | 47.04 | 48.09 | 48.09 | 3.37% | 645,141 |
| Sep 12, 2024 | 45.19 | 46.75 | 44.75 | 46.52 | 46.52 | 3.22% | 652,921 |
| Sep 11, 2024 | 44.17 | 45.16 | 43.67 | 45.07 | 45.07 | 1.60% | 313,602 |
| Sep 10, 2024 | 44.72 | 44.99 | 43.60 | 44.36 | 44.36 | -0.40% | 277,547 |
| Sep 9, 2024 | 45.09 | 45.76 | 44.53 | 44.54 | 44.54 | -1.85% | 258,549 |
| Sep 6, 2024 | 45.45 | 46.03 | 45.17 | 45.38 | 45.38 | -0.09% | 239,076 |
| Sep 5, 2024 | 46.98 | 47.24 | 45.21 | 45.42 | 45.42 | -3.16% | 362,539 |
| Sep 4, 2024 | 46.73 | 47.09 | 46.34 | 46.90 | 46.90 | -0.17% | 219,183 |
| Sep 3, 2024 | 48.32 | 48.59 | 46.95 | 46.98 | 46.98 | -3.61% | 409,397 |
| Aug 30, 2024 | 49.10 | 49.30 | 48.25 | 48.74 | 48.74 | -0.25% | 205,162 |
| Aug 29, 2024 | 48.63 | 49.22 | 48.63 | 48.86 | 48.86 | 0.62% | 237,574 |
| Aug 28, 2024 | 48.10 | 48.66 | 48.00 | 48.56 | 48.56 | 0.17% | 227,972 |
| Aug 27, 2024 | 48.39 | 48.55 | 47.99 | 48.48 | 48.48 | 0.69% | 248,761 |
| Aug 26, 2024 | 48.00 | 48.70 | 47.65 | 48.15 | 48.15 | 0.42% | 359,807 |
| Aug 23, 2024 | 47.43 | 48.31 | 47.43 | 47.95 | 47.95 | 1.52% | 358,815 |
| Aug 22, 2024 | 46.98 | 47.49 | 46.80 | 47.23 | 47.23 | 0.77% | 321,268 |
| Aug 21, 2024 | 46.34 | 47.47 | 46.34 | 46.87 | 46.87 | 1.85% | 344,192 |
| Aug 20, 2024 | 46.86 | 47.60 | 45.87 | 46.02 | 46.02 | -1.65% | 375,330 |
| Aug 19, 2024 | 45.01 | 46.87 | 44.97 | 46.79 | 46.79 | 4.07% | 491,497 |
| Aug 16, 2024 | 45.29 | 45.32 | 43.96 | 44.96 | 44.96 | -0.79% | 387,833 |
| Aug 15, 2024 | 43.02 | 45.35 | 42.82 | 45.32 | 45.32 | 6.79% | 525,127 |
| Aug 14, 2024 | 43.36 | 43.36 | 42.31 | 42.44 | 42.44 | -2.57% | 251,374 |
| Aug 13, 2024 | 43.14 | 43.74 | 42.85 | 43.56 | 43.56 | 0.72% | 394,377 |
| Aug 12, 2024 | 43.04 | 43.80 | 42.81 | 43.25 | 43.25 | 0.93% | 278,415 |
| Aug 9, 2024 | 43.99 | 44.36 | 42.82 | 42.85 | 42.85 | -2.75% | 365,605 |
| Aug 8, 2024 | 42.49 | 44.76 | 40.22 | 44.06 | 44.06 | 13.29% | 789,171 |
| Aug 7, 2024 | 39.91 | 40.00 | 38.42 | 38.89 | 38.89 | -1.29% | 470,425 |
| Aug 6, 2024 | 40.57 | 40.75 | 39.20 | 39.40 | 39.40 | -2.50% | 522,718 |
| Aug 5, 2024 | 40.14 | 40.71 | 39.47 | 40.41 | 40.41 | -2.79% | 474,047 |
| Aug 2, 2024 | 41.61 | 42.00 | 41.21 | 41.57 | 41.57 | -2.07% | 397,105 |
| Aug 1, 2024 | 43.50 | 44.18 | 42.22 | 42.45 | 42.45 | -2.46% | 415,442 |
| Jul 31, 2024 | 43.78 | 44.25 | 43.32 | 43.52 | 43.52 | - | 747,737 |
| Jul 30, 2024 | 42.34 | 43.70 | 41.92 | 43.52 | 43.52 | 3.37% | 463,231 |
| Jul 29, 2024 | 42.40 | 43.19 | 42.00 | 42.10 | 42.10 | -0.89% | 200,427 |
| Jul 26, 2024 | 42.48 | 43.16 | 41.89 | 42.48 | 42.48 | 0.81% | 293,569 |
| Jul 25, 2024 | 41.40 | 42.56 | 41.30 | 42.14 | 42.14 | 2.31% | 453,070 |
| Jul 24, 2024 | 40.67 | 41.26 | 40.51 | 41.19 | 41.19 | 1.58% | 355,482 |
| Jul 23, 2024 | 40.68 | 41.27 | 40.49 | 40.55 | 40.55 | -0.30% | 311,873 |
| Jul 22, 2024 | 39.90 | 40.84 | 39.46 | 40.67 | 40.67 | 2.68% | 331,883 |
| Jul 19, 2024 | 39.80 | 40.37 | 39.57 | 39.61 | 39.61 | -0.35% | 314,430 |
| Jul 18, 2024 | 39.25 | 40.72 | 39.25 | 39.75 | 39.75 | 0.84% | 438,371 |
| Jul 17, 2024 | 39.41 | 40.36 | 39.31 | 39.42 | 39.42 | -0.55% | 398,231 |
| Jul 16, 2024 | 39.21 | 39.86 | 39.01 | 39.64 | 39.64 | 2.27% | 227,605 |
| Jul 15, 2024 | 38.88 | 39.26 | 38.52 | 38.76 | 38.76 | 0.16% | 315,455 |
| Jul 12, 2024 | 39.83 | 39.86 | 38.40 | 38.70 | 38.70 | -1.20% | 374,582 |
| Jul 11, 2024 | 38.00 | 39.35 | 38.00 | 39.17 | 39.17 | 4.79% | 424,880 |
| Jul 10, 2024 | 37.02 | 37.50 | 36.93 | 37.38 | 37.38 | 1.05% | 406,578 |
| Jul 9, 2024 | 37.48 | 37.48 | 36.56 | 36.99 | 36.99 | -1.02% | 717,690 |
| Jul 8, 2024 | 37.98 | 38.45 | 37.00 | 37.37 | 37.37 | -1.01% | 376,255 |
| Jul 5, 2024 | 38.51 | 38.51 | 37.26 | 37.75 | 37.75 | -2.10% | 389,050 |
| Jul 3, 2024 | 37.50 | 38.56 | 37.49 | 38.56 | 38.56 | 2.61% | 284,256 |
| Jul 2, 2024 | 38.57 | 38.57 | 37.30 | 37.58 | 37.58 | -2.41% | 599,895 |
| Jul 1, 2024 | 38.83 | 39.40 | 37.46 | 38.51 | 38.51 | -3.73% | 731,795 |
| Jun 28, 2024 | 40.63 | 40.94 | 39.53 | 40.00 | 40.00 | -0.87% | 602,875 |
| Jun 27, 2024 | 40.20 | 41.48 | 40.20 | 40.35 | 40.35 | 0.80% | 403,858 |
| Jun 26, 2024 | 40.38 | 40.68 | 39.92 | 40.03 | 40.03 | -1.36% | 231,451 |
| Jun 25, 2024 | 40.85 | 41.14 | 40.41 | 40.58 | 40.58 | -0.64% | 226,179 |
| Jun 24, 2024 | 40.51 | 41.53 | 40.34 | 40.84 | 40.84 | 0.96% | 336,060 |
| Jun 21, 2024 | 39.82 | 40.83 | 39.66 | 40.45 | 40.45 | 1.68% | 444,830 |
| Jun 20, 2024 | 40.01 | 40.71 | 39.70 | 39.78 | 39.78 | -0.67% | 249,265 |
| Jun 18, 2024 | 40.58 | 40.90 | 40.00 | 40.05 | 40.05 | -1.21% | 273,321 |
| Jun 17, 2024 | 40.49 | 40.83 | 39.78 | 40.54 | 40.54 | 0.12% | 258,824 |
| Jun 14, 2024 | 40.33 | 40.53 | 39.76 | 40.49 | 40.49 | -0.34% | 274,075 |
| Jun 13, 2024 | 40.43 | 41.06 | 40.05 | 40.63 | 40.63 | 0.44% | 346,478 |
| Jun 12, 2024 | 41.74 | 41.90 | 40.39 | 40.45 | 40.45 | -1.68% | 287,545 |
| Jun 11, 2024 | 41.40 | 41.93 | 40.80 | 41.14 | 41.14 | -1.20% | 306,217 |
| Jun 10, 2024 | 40.26 | 41.68 | 39.71 | 41.64 | 41.64 | 2.28% | 472,597 |
| Jun 7, 2024 | 40.80 | 41.16 | 40.20 | 40.71 | 40.71 | -0.59% | 350,023 |
| Jun 6, 2024 | 41.91 | 42.27 | 40.84 | 40.95 | 40.95 | -2.59% | 313,478 |
| Jun 5, 2024 | 42.65 | 42.67 | 41.65 | 42.04 | 42.04 | -0.43% | 478,750 |
| Jun 4, 2024 | 42.91 | 43.49 | 41.92 | 42.22 | 42.22 | -0.07% | 583,975 |
| Jun 3, 2024 | 42.33 | 43.19 | 42.17 | 42.25 | 42.25 | -0.19% | 409,203 |
| May 31, 2024 | 42.35 | 42.57 | 41.41 | 42.33 | 42.33 | 0.43% | 352,375 |
| May 30, 2024 | 41.73 | 42.52 | 41.73 | 42.15 | 42.15 | 1.22% | 148,145 |
| May 29, 2024 | 41.65 | 42.04 | 41.45 | 41.64 | 41.64 | -0.80% | 201,666 |
| May 28, 2024 | 43.42 | 43.50 | 41.78 | 41.98 | 41.98 | -2.97% | 377,085 |
| May 24, 2024 | 43.35 | 43.75 | 42.91 | 43.26 | 43.26 | -0.21% | 226,682 |
| May 23, 2024 | 43.56 | 43.90 | 42.87 | 43.35 | 43.35 | -0.25% | 247,784 |
| May 22, 2024 | 42.25 | 44.14 | 42.19 | 43.46 | 43.46 | 3.70% | 325,091 |
| May 21, 2024 | 43.02 | 43.35 | 41.89 | 41.91 | 41.91 | -2.69% | 285,963 |
| May 20, 2024 | 43.52 | 43.95 | 42.89 | 43.07 | 43.07 | -0.94% | 269,722 |
| May 17, 2024 | 42.62 | 43.60 | 42.19 | 43.48 | 43.48 | 1.73% | 328,465 |
| May 16, 2024 | 42.30 | 42.81 | 41.71 | 42.74 | 42.74 | 0.71% | 376,856 |
| May 15, 2024 | 41.54 | 42.63 | 41.30 | 42.44 | 42.44 | 2.76% | 464,992 |
| May 14, 2024 | 43.21 | 43.28 | 41.27 | 41.30 | 41.30 | -2.53% | 566,213 |
| May 13, 2024 | 42.30 | 42.50 | 41.21 | 42.37 | 42.37 | 0.38% | 378,389 |
| May 10, 2024 | 42.53 | 42.85 | 41.26 | 42.21 | 42.21 | -0.52% | 595,849 |
| May 9, 2024 | 45.56 | 46.62 | 42.15 | 42.43 | 42.43 | 0.52% | 450,925 |
| May 8, 2024 | 42.84 | 43.29 | 42.09 | 42.21 | 42.21 | -1.31% | 433,724 |
| May 7, 2024 | 42.82 | 43.47 | 41.94 | 42.77 | 42.77 | 0.21% | 250,442 |
| May 6, 2024 | 42.74 | 43.39 | 42.47 | 42.68 | 42.68 | 0.52% | 209,637 |