Amphastar Pharmaceuticals...

28.48
0.11 (0.39%)
At close: Mar 27, 2025, 3:59 PM
28.67
0.65%
Pre-market: Mar 28, 2025, 07:00 AM EDT

AMPH Stock Price History

Date Open High Low Close Change % Change Volume
Mar 27, 2025 28.37 28.75 28.26 28.50 0.13 0.46% 439,359
Mar 26, 2025 28.40 28.83 28.02 28.37 -0.02 -0.07% 437,900
Mar 25, 2025 28.50 28.66 27.80 28.39 -0.07 -0.25% 713,226
Mar 24, 2025 28.50 28.65 28.07 28.46 0.17 0.60% 538,425
Mar 21, 2025 27.66 28.44 27.66 28.29 0.38 1.36% 1,478,700
Mar 20, 2025 27.72 28.38 27.69 27.91 0.05 0.18% 407,000
Mar 19, 2025 27.40 27.87 27.09 27.86 0.50 1.83% 471,500
Mar 18, 2025 27.50 27.81 27.22 27.36 -0.33 -1.19% 602,500
Mar 17, 2025 26.68 27.98 26.68 27.69 1.03 3.86% 648,301
Mar 14, 2025 26.22 26.76 26.14 26.66 0.42 1.60% 500,925
Mar 13, 2025 26.34 26.86 25.89 26.24 -0.04 -0.15% 467,600
Mar 12, 2025 27.35 27.55 26.22 26.28 -1.05 -3.84% 700,518
Mar 11, 2025 28.40 28.40 27.25 27.33 -1.08 -3.80% 515,800
Mar 10, 2025 28.64 29.34 28.22 28.41 -0.40 -1.39% 537,000
Mar 7, 2025 28.14 29.37 28.08 28.81 0.49 1.73% 544,300
Mar 6, 2025 27.80 28.49 27.26 28.32 0.26 0.93% 721,300
Mar 5, 2025 27.52 28.06 27.04 28.06 0.44 1.59% 632,400
Mar 4, 2025 27.21 28.24 27.00 27.62 0.10 0.36% 803,214
Mar 3, 2025 28.51 29.10 26.98 27.52 -0.91 -3.20% 999,415
Feb 28, 2025 30.50 31.00 27.82 28.43 -3.06 -9.72% 1,792,762
Feb 27, 2025 31.18 31.70 31.00 31.49 0.28 0.90% 606,609
Feb 26, 2025 31.82 32.22 31.08 31.21 -0.78 -2.44% 508,000
Feb 25, 2025 32.39 32.56 31.87 31.99 -0.30 -0.93% 575,644
Feb 24, 2025 31.23 32.69 31.08 32.29 1.01 3.23% 518,437
Feb 21, 2025 31.55 31.60 30.96 31.28 -0.02 -0.06% 523,506
Feb 20, 2025 31.20 31.41 30.95 31.30 0.09 0.29% 550,105
Feb 19, 2025 30.69 31.45 30.65 31.21 0.46 1.50% 661,918
Feb 18, 2025 31.02 31.65 30.34 30.75 -0.27 -0.87% 977,847
Feb 14, 2025 31.77 31.90 30.95 31.02 -0.72 -2.27% 550,056
Feb 13, 2025 31.95 31.95 31.46 31.74 -0.08 -0.25% 316,800
Feb 12, 2025 32.11 32.40 31.75 31.82 -0.39 -1.21% 358,800
Feb 11, 2025 32.10 32.25 31.55 32.21 0.00 0.00% 435,624
Feb 10, 2025 32.22 32.48 31.76 32.21 -0.16 -0.49% 319,637
Feb 7, 2025 32.71 32.95 32.16 32.37 -0.42 -1.28% 311,590
Feb 6, 2025 32.82 33.42 32.60 32.79 0.00 0.00% 349,696
Feb 5, 2025 33.35 33.35 32.50 32.79 -0.40 -1.21% 356,053
Feb 4, 2025 32.42 33.76 32.25 33.19 -0.20 -0.60% 440,800
Feb 3, 2025 34.08 34.39 32.88 33.39 -1.48 -4.24% 611,610
Jan 31, 2025 36.35 36.35 34.75 34.87 -1.50 -4.12% 517,933
Jan 30, 2025 36.42 37.04 36.06 36.37 -0.05 -0.14% 421,800
Jan 29, 2025 36.92 37.28 36.40 36.42 -0.70 -1.89% 425,146
Jan 28, 2025 37.08 37.38 36.53 37.12 0.01 0.03% 444,824
Jan 27, 2025 36.62 37.66 36.48 37.11 0.61 1.67% 421,701
Jan 24, 2025 36.31 36.84 35.79 36.50 0.11 0.30% 588,500
Jan 23, 2025 36.22 36.66 35.84 36.39 0.25 0.69% 350,600
Jan 22, 2025 35.90 36.30 35.56 36.14 0.11 0.31% 358,168
Jan 21, 2025 36.04 36.32 35.46 36.03 0.33 0.92% 474,835
Jan 17, 2025 35.67 35.96 35.27 35.70 0.04 0.11% 410,713
Jan 16, 2025 36.28 36.85 34.60 35.66 -0.58 -1.60% 1,060,443
Jan 15, 2025 39.01 39.01 35.87 36.24 -2.24 -5.82% 908,143