Amphastar Pharmaceuticals, Inc. AMPH
NASDAQ · United States · Health Technology
$25.70-0.11 (-0.45%)
Market open· · USD · Data may be delayed
Prices may be delayed and are for informational purposes only - not investment advice.
Market open· · USD · Data may be delayed
Prices may be delayed and are for informational purposes only - not investment advice.
| Date | Close | Change | Open | High | Low | Volume |
|---|---|---|---|---|---|---|
| 2026-10-01 | $25.64 | -0.66% | $25.60 | $26.02 | $25.40 | 128.28K |
| 2026-09-30 | $25.81 | -3.26% | $26.73 | $26.79 | $25.77 | 509.40K |
| 2026-09-29 | $26.68 | -2.59% | $27.59 | $27.64 | $26.52 | 632.00K |
| 2026-09-28 | $27.39 | +4.82% | $25.99 | $27.80 | $25.96 | 747.90K |
| 2026-09-25 | $26.13 | -0.53% | $26.25 | $26.63 | $25.66 | 376.90K |
| 2026-09-24 | $26.27 | +5.25% | $24.81 | $26.31 | $24.65 | 572.10K |
| 2026-09-23 | $24.96 | +2.63% | $24.39 | $25.12 | $24.20 | 508.10K |
| 2026-09-22 | $24.32 | -0.65% | $24.60 | $24.83 | $24.00 | 522.40K |
| 2026-09-21 | $24.48 | +3.64% | $23.54 | $25.41 | $23.45 | 595.80K |
| 2026-09-18 | $23.62 | -0.84% | $23.69 | $23.99 | $23.51 | 1.45M |
| 2026-09-17 | $23.82 | -0.54% | $24.08 | $24.18 | $23.50 | 465.60K |
| 2026-09-16 | $23.95 | +1.31% | $23.64 | $24.39 | $23.49 | 503.90K |
| 2026-09-15 | $23.64 | -1.13% | $23.75 | $23.94 | $23.56 | 354.40K |
| 2026-09-14 | $23.91 | +0.55% | $23.84 | $24.28 | $23.56 | 474.90K |
| 2026-09-11 | $23.78 | +1.02% | $23.65 | $23.80 | $23.24 | 410.90K |
| 2026-09-10 | $23.54 | +2.17% | $23.00 | $23.69 | $22.76 | 515.00K |
| 2026-09-09 | $23.04 | +0.48% | $22.84 | $23.07 | $22.57 | 351.60K |
| 2026-09-08 | $22.93 | -1.08% | $22.82 | $23.14 | $22.30 | 460.00K |
| 2026-09-04 | $23.18 | -2.77% | $23.47 | $23.74 | $23.07 | 650.10K |
| 2026-09-03 | $23.84 | +0.42% | $23.88 | $23.92 | $23.04 | 469.80K |
| 2026-09-02 | $23.74 | +3.40% | $23.05 | $23.83 | $23.03 | 456.70K |
| 2026-09-01 | $22.96 | +1.91% | $22.59 | $23.05 | $22.59 | 551.00K |
| 2026-08-31 | $22.53 | +2.36% | $21.86 | $22.65 | $21.52 | 274.00K |
| 2026-08-28 | $22.01 | +0.59% | $21.88 | $22.15 | $21.69 | 224.50K |
| 2026-08-27 | $21.88 | -0.64% | $21.69 | $21.97 | $21.63 | 259.80K |
| 2026-08-26 | $22.02 | +0.18% | $21.86 | $22.44 | $21.72 | 395.60K |
| 2026-08-25 | $21.98 | +2.14% | $21.50 | $22.07 | $21.41 | 283.80K |
| 2026-08-24 | $21.52 | -0.37% | $21.60 | $21.81 | $21.26 | 210.30K |
| 2026-08-21 | $21.60 | -0.37% | $21.64 | $22.20 | $21.44 | 376.60K |
| 2026-08-20 | $21.68 | -0.28% | $21.38 | $21.76 | $21.24 | 338.70K |
| 2026-08-19 | $21.74 | +1.87% | $21.64 | $21.99 | $21.15 | 410.80K |
| 2026-08-18 | $21.34 | +2.30% | $21.11 | $21.59 | $21.08 | 411.80K |
| 2026-08-17 | $20.86 | -0.24% | $20.90 | $21.23 | $20.77 | 533.50K |
| 2026-08-14 | $20.91 | +3.62% | $20.02 | $21.07 | $19.89 | 305.70K |
| 2026-08-13 | $20.18 | +1.00% | $20.18 | $20.27 | $19.84 | 526.10K |
| 2026-08-12 | $19.98 | -2.15% | $20.16 | $20.22 | $19.61 | 343.80K |
| 2026-08-11 | $20.42 | +0.54% | $20.00 | $20.57 | $20.00 | 570.50K |
| 2026-08-10 | $20.31 | -2.26% | $20.74 | $20.90 | $19.55 | 645.70K |
| 2026-08-07 | $20.78 | +4.90% | $22.48 | $22.65 | $20.40 | 1.30M |
| 2026-08-06 | $19.81 | -2.12% | $20.22 | $20.25 | $19.60 | 527.30K |
| 2026-08-05 | $20.24 | +1.71% | $20.06 | $20.28 | $19.88 | 351.60K |
| 2026-08-04 | $19.90 | -1.58% | $20.11 | $20.38 | $19.86 | 481.60K |
| 2026-08-03 | $20.22 | +1.40% | $20.11 | $20.46 | $19.70 | 413.20K |
| 2026-07-31 | $19.94 | -2.16% | $20.35 | $20.41 | $19.67 | 367.60K |
| 2026-07-30 | $20.38 | -0.97% | $20.31 | $20.53 | $19.95 | 355.70K |
| 2026-07-29 | $20.58 | +2.13% | $20.24 | $20.70 | $19.99 | 321.70K |
| 2026-07-28 | $20.15 | +5.06% | $19.38 | $20.27 | $19.38 | 390.80K |
| 2026-07-27 | $19.18 | +2.46% | $18.97 | $19.31 | $18.96 | 285.90K |
| 2026-07-24 | $18.72 | -0.79% | $18.90 | $19.12 | $18.50 | 445.70K |
| 2026-07-23 | $18.87 | -2.23% | $19.08 | $19.34 | $18.73 | 650.40K |
| 2026-07-22 | $19.30 | -1.48% | $19.71 | $19.95 | $19.20 | 409.20K |
| 2026-07-21 | $19.59 | -0.20% | $19.42 | $19.89 | $19.42 | 621.10K |
| 2026-07-20 | $19.63 | -0.61% | $19.78 | $19.91 | $19.52 | 437.40K |
| 2026-07-17 | $19.75 | -0.55% | $19.84 | $20.35 | $19.63 | 338.50K |
| 2026-07-16 | $19.86 | +2.37% | $19.40 | $20.14 | $19.40 | 416.90K |
| 2026-07-15 | $19.40 | +3.14% | $18.87 | $19.50 | $18.83 | 356.10K |
| 2026-07-14 | $18.81 | -2.49% | $19.10 | $19.39 | $18.41 | 334.70K |
| 2026-07-13 | $19.29 | +3.04% | $19.00 | $19.68 | $18.95 | 384.50K |
| 2026-07-10 | $18.72 | -1.58% | $18.97 | $19.15 | $18.61 | 311.10K |
| 2026-07-09 | $19.02 | +0.74% | $18.86 | $19.13 | $18.61 | 446.60K |
| 2026-07-08 | $18.88 | -5.98% | $19.96 | $19.96 | $18.52 | 438.70K |
| 2026-07-07 | $20.08 | +2.40% | $20.06 | $20.28 | $19.74 | 450.00K |
| 2026-07-06 | $19.61 | -0.15% | $19.48 | $20.01 | $19.08 | 313.80K |
| 2026-07-02 | $19.64 | -2.29% | $20.35 | $20.35 | $19.63 | 315.80K |
| 2026-07-01 | $20.10 | -0.40% | $20.32 | $20.54 | $19.91 | 422.10K |
| 2026-06-30 | $20.18 | -2.56% | $20.71 | $20.71 | $19.86 | 400.20K |
| 2026-06-29 | $20.71 | -4.91% | $21.12 | $21.24 | $19.66 | 727.10K |
| 2026-06-26 | $21.78 | +3.52% | $21.01 | $21.81 | $20.88 | 624.00K |
| 2026-06-25 | $21.04 | +0.10% | $21.00 | $22.00 | $20.79 | 481.30K |
| 2026-06-24 | $21.02 | +7.63% | $19.77 | $21.09 | $19.77 | 701.20K |
| 2026-06-23 | $19.53 | +6.55% | $18.61 | $19.58 | $18.50 | 660.90K |
| 2026-06-22 | $18.33 | -2.55% | $18.80 | $18.90 | $18.22 | 767.40K |
| 2026-06-18 | $18.81 | -3.09% | $19.51 | $19.66 | $18.70 | 1.33M |
| 2026-06-17 | $19.41 | -2.76% | $19.94 | $20.26 | $19.15 | 1.01M |
| 2026-06-16 | $19.96 | +1.27% | $19.91 | $20.41 | $19.62 | 724.20K |
| 2026-06-15 | $19.71 | -1.89% | $20.11 | $20.29 | $19.59 | 528.50K |
| 2026-06-12 | $20.09 | -2.14% | $19.90 | $20.55 | $19.90 | 377.80K |
| 2026-06-11 | $20.53 | +1.18% | $20.15 | $20.65 | $20.10 | 463.50K |
| 2026-06-10 | $20.29 | +0.64% | $20.21 | $20.77 | $19.99 | 405.20K |
| 2026-06-09 | $20.16 | +3.97% | $19.53 | $20.27 | $19.53 | 506.30K |
| 2026-06-08 | $19.39 | -1.77% | $19.75 | $19.85 | $19.34 | 559.00K |
| 2026-06-05 | $19.74 | +5.56% | $18.86 | $20.14 | $18.85 | 750.30K |
| 2026-06-04 | $18.70 | +3.20% | $18.28 | $18.90 | $18.28 | 459.20K |
| 2026-06-03 | $18.12 | -1.79% | $18.26 | $18.36 | $17.73 | 509.30K |
| 2026-06-02 | $18.45 | +0.16% | $18.36 | $18.67 | $18.10 | 810.50K |
| 2026-06-01 | $18.42 | -2.28% | $18.63 | $19.01 | $18.22 | 569.70K |
| 2026-05-29 | $18.85 | -2.33% | $19.28 | $19.46 | $18.55 | 849.10K |
| 2026-05-28 | $19.30 | +1.05% | $19.04 | $19.55 | $19.02 | 621.20K |
| 2026-05-27 | $19.10 | +1.54% | $19.31 | $19.34 | $18.50 | 497.10K |
| 2026-05-26 | $18.81 | +2.17% | $18.45 | $19.12 | $18.45 | 670.80K |