Amphastar Pharmaceuticals... (AMPH)
NASDAQ: AMPH
· Real-Time Price · USD
30.50
0.84 (2.83%)
At close: Aug 22, 2025, 3:59 PM
29.82
-2.23%
After-hours: Aug 22, 2025, 06:44 PM EDT
AMPH Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | 29.98 | 30.90 | 29.98 | 30.50 | 30.50 | 2.83% | 494,557 |
| Aug 21, 2025 | 29.57 | 30.42 | 29.43 | 29.66 | 29.66 | 0.14% | 491,400 |
| Aug 20, 2025 | 30.21 | 30.39 | 29.42 | 29.62 | 29.62 | -2.34% | 434,200 |
| Aug 19, 2025 | 29.93 | 30.99 | 29.85 | 30.33 | 30.33 | 1.92% | 527,820 |
| Aug 18, 2025 | 29.83 | 30.65 | 29.58 | 29.76 | 29.76 | -0.23% | 433,187 |
| Aug 15, 2025 | 30.21 | 30.63 | 29.82 | 29.83 | 29.83 | -1.26% | 652,000 |
| Aug 14, 2025 | 30.03 | 30.63 | 29.64 | 30.21 | 30.21 | -0.89% | 464,400 |
| Aug 13, 2025 | 30.44 | 31.23 | 30.00 | 30.48 | 30.48 | 0.43% | 1,016,810 |
| Aug 12, 2025 | 28.18 | 30.63 | 28.14 | 30.35 | 30.35 | 10.93% | 1,601,991 |
| Aug 11, 2025 | 24.73 | 27.41 | 24.69 | 27.36 | 27.36 | 14.91% | 1,816,531 |
| Aug 8, 2025 | 22.29 | 24.70 | 22.07 | 23.81 | 23.81 | 10.13% | 1,005,009 |
| Aug 7, 2025 | 21.15 | 21.74 | 20.70 | 21.62 | 21.62 | 3.84% | 705,613 |
| Aug 6, 2025 | 21.42 | 21.68 | 20.79 | 20.82 | 20.82 | -2.89% | 414,600 |
| Aug 5, 2025 | 21.44 | 21.57 | 21.18 | 21.44 | 21.44 | 0.19% | 389,000 |
| Aug 4, 2025 | 21.19 | 21.43 | 20.88 | 21.40 | 21.40 | 0.90% | 463,700 |
| Aug 1, 2025 | 20.86 | 21.25 | 20.39 | 21.21 | 21.21 | 1.24% | 440,200 |
| Jul 31, 2025 | 21.06 | 21.33 | 20.77 | 20.95 | 20.95 | -1.83% | 545,003 |
| Jul 30, 2025 | 21.70 | 21.84 | 21.23 | 21.34 | 21.34 | -1.52% | 304,733 |
| Jul 29, 2025 | 22.10 | 22.13 | 21.65 | 21.67 | 21.67 | -2.56% | 359,000 |
| Jul 28, 2025 | 22.37 | 22.90 | 22.06 | 22.24 | 22.24 | -0.58% | 457,600 |