5 DAY PERFORMANCE
-3.37%
1 MONTH PERFORMANCE
-16.39%
3 MONTH PERFORMANCE
-21.28%
6 MONTH PERFORMANCE
-5.50%
YEAR-TO-DATE PERFORMANCE
-38.88%
1 YEAR PERFORMANCE
-39.20%
Amphastar Pharmaceuticals, Inc. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 12/27/2024 | $37.88 | $37.80 (-0.21%) | $38.27 | $37.36 | 374,192 | $1.84 B |
| 12/26/2024 | $38.25 | $38.17 (-0.21%) | $38.60 | $37.81 | 403,600 | $1.86 B |
| 12/24/2024 | $39.16 | $38.27 (-2.27%) | $39.56 | $37.88 | 305,200 | $1.86 B |
| 12/23/2024 | $39.07 | $39.12 (0.13%) | $39.77 | $38.37 | 543,071 | $1.90 B |
| 12/20/2024 | $39.31 | $39.14 (-0.43%) | $40.74 | $38.96 | 2.48 M | $1.90 B |
| 12/19/2024 | $39.59 | $39.39 (-0.51%) | $40.26 | $38.81 | 669,500 | $1.92 B |
| 12/18/2024 | $40.77 | $39.45 (-3.24%) | $41.13 | $38.78 | 984,600 | $1.92 B |
| 12/17/2024 | $40.43 | $40.85 (1.04%) | $41.84 | $40.37 | 524,810 | $1.99 B |
| 12/16/2024 | $42.13 | $40.84 (-3.06%) | $42.49 | $40.71 | 665,907 | $1.99 B |
| 12/13/2024 | $44.44 | $42.24 (-4.95%) | $45.39 | $41.82 | 831,517 | $2.05 B |
| 12/12/2024 | $43.56 | $44.50 (2.16%) | $45.00 | $43.51 | 632,739 | $2.16 B |
| 12/11/2024 | $43.92 | $43.57 (-0.8%) | $44.37 | $43.55 | 328,229 | $2.12 B |
| 12/10/2024 | $44.00 | $43.64 (-0.82%) | $44.16 | $43.60 | 388,212 | $2.12 B |
| 12/09/2024 | $43.96 | $43.83 (-0.3%) | $44.48 | $43.74 | 435,700 | $2.13 B |
| 12/06/2024 | $43.79 | $43.80 (0.02%) | $44.27 | $43.47 | 267,467 | $2.13 B |
| 12/05/2024 | $44.27 | $43.60 (-1.51%) | $44.27 | $43.34 | 699,900 | $2.12 B |
| 12/04/2024 | $45.02 | $44.30 (-1.6%) | $45.24 | $44.26 | 401,355 | $2.15 B |
| 12/03/2024 | $45.84 | $44.92 (-2.01%) | $46.11 | $44.71 | 308,300 | $2.18 B |
| 12/02/2024 | $44.93 | $45.88 (2.11%) | $46.09 | $44.40 | 606,763 | $2.23 B |
| 11/29/2024 | $45.21 | $45.19 (-0.04%) | $45.55 | $44.88 | 190,808 | $2.20 B |
| 11/27/2024 | $44.23 | $45.21 (2.22%) | $45.71 | $44.23 | 439,700 | $2.20 B |
| 11/26/2024 | $44.45 | $44.22 (-0.52%) | $44.88 | $44.16 | 283,742 | $2.15 B |
| 11/25/2024 | $45.71 | $44.64 (-2.34%) | $46.43 | $44.42 | 666,200 | $2.17 B |
| 11/22/2024 | $45.48 | $45.46 (-0.04%) | $45.65 | $44.95 | 410,772 | $2.21 B |
| 11/21/2024 | $44.22 | $44.55 (0.75%) | $44.71 | $43.71 | 364,200 | $2.17 B |
| 11/20/2024 | $43.71 | $44.09 (0.87%) | $44.54 | $43.09 | 607,136 | $2.14 B |
| 11/19/2024 | $43.80 | $43.62 (-0.41%) | $44.27 | $43.21 | 432,600 | $2.12 B |
| 11/18/2024 | $44.39 | $44.16 (-0.52%) | $44.86 | $44.00 | 343,046 | $2.15 B |
| 11/15/2024 | $45.07 | $44.61 (-1.02%) | $45.39 | $43.88 | 408,700 | $2.17 B |
| 11/14/2024 | $45.48 | $45.06 (-0.92%) | $45.91 | $44.71 | 359,021 | $2.19 B |
| 11/13/2024 | $47.51 | $45.48 (-4.27%) | $47.99 | $45.39 | 421,200 | $2.21 B |
| 11/12/2024 | $48.38 | $47.71 (-1.38%) | $49.12 | $47.48 | 364,200 | $2.32 B |
| 11/11/2024 | $48.52 | $48.57 (0.1%) | $49.17 | $47.37 | 382,500 | $2.36 B |
| 11/08/2024 | $46.18 | $48.31 (4.61%) | $49.53 | $46.03 | 626,900 | $2.35 B |
| 11/07/2024 | $47.94 | $46.09 (-3.86%) | $49.45 | $46.03 | 1.37 M | $2.24 B |
| 11/06/2024 | $52.05 | $53.40 (2.59%) | $53.96 | $52.05 | 611,837 | $2.60 B |
| 11/05/2024 | $50.59 | $51.56 (1.92%) | $51.72 | $50.33 | 199,229 | $2.51 B |
| 11/04/2024 | $50.72 | $50.59 (-0.26%) | $51.53 | $50.26 | 376,600 | $2.46 B |
| 11/01/2024 | $50.75 | $50.73 (-0.04%) | $51.22 | $50.25 | 181,298 | $2.48 B |
| 10/31/2024 | $50.39 | $50.53 (0.28%) | $51.35 | $50.04 | 266,346 | $2.47 B |
| 10/30/2024 | $50.42 | $50.78 (0.71%) | $51.57 | $50.42 | 289,255 | $2.48 B |
| 10/29/2024 | $51.29 | $51.15 (-0.27%) | $51.36 | $50.55 | 180,800 | $2.50 B |
| 10/28/2024 | $50.57 | $51.41 (1.66%) | $51.84 | $50.53 | 338,028 | $2.51 B |
| 10/25/2024 | $50.00 | $50.29 (0.58%) | $50.55 | $49.80 | 179,600 | $2.46 B |
| 10/24/2024 | $49.68 | $49.63 (-0.1%) | $51.36 | $49.38 | 465,917 | $2.43 B |
| 10/23/2024 | $50.40 | $49.83 (-1.13%) | $50.63 | $49.47 | 314,643 | $2.44 B |
| 10/22/2024 | $50.59 | $50.38 (-0.42%) | $51.02 | $50.20 | 188,623 | $2.46 B |
| 10/21/2024 | $50.83 | $50.82 (-0.02%) | $51.42 | $50.08 | 209,000 | $2.49 B |
| 10/18/2024 | $49.87 | $50.84 (1.95%) | $51.44 | $49.83 | 245,300 | $2.49 B |
| 10/17/2024 | $51.27 | $49.71 (-3.04%) | $51.35 | $49.48 | 272,800 | $2.43 B |
| 10/16/2024 | $49.60 | $50.83 (2.48%) | $50.85 | $49.59 | 283,418 | $2.49 B |
| 10/15/2024 | $49.17 | $49.31 (0.28%) | $50.50 | $49.17 | 368,001 | $2.41 B |
| 10/14/2024 | $47.76 | $49.29 (3.2%) | $49.32 | $47.63 | 284,225 | $2.41 B |
| 10/11/2024 | $46.27 | $47.57 (2.81%) | $47.61 | $46.27 | 302,018 | $2.33 B |
| 10/10/2024 | $46.00 | $46.29 (0.63%) | $46.56 | $45.55 | 295,129 | $2.26 B |
| 10/09/2024 | $46.38 | $46.32 (-0.13%) | $47.82 | $46.17 | 297,800 | $2.27 B |
| 10/08/2024 | $46.97 | $46.28 (-1.47%) | $47.31 | $46.19 | 212,122 | $2.26 B |
| 10/07/2024 | $46.51 | $46.83 (0.69%) | $46.93 | $46.21 | 313,123 | $2.29 B |
| 10/04/2024 | $46.63 | $46.72 (0.19%) | $47.39 | $46.39 | 167,665 | $2.28 B |
| 10/03/2024 | $46.37 | $46.32 (-0.11%) | $46.82 | $45.50 | 228,300 | $2.27 B |
| 10/02/2024 | $48.30 | $46.50 (-3.73%) | $48.48 | $46.35 | 348,437 | $2.27 B |
| 10/01/2024 | $48.55 | $48.35 (-0.41%) | $48.98 | $47.74 | 233,300 | $2.36 B |
| 09/30/2024 | $48.06 | $48.53 (0.98%) | $49.22 | $48.00 | 266,900 | $2.37 B |