AMPH: Amphastar Pharmaceuticals Inc.

As of Friday, August 22nd, 2025

$ 30.50

+0.84 +2.83%

Open: 29.98
High: 30.90
Low: 29.98
Volume: 494,527
Previous Close on Thursday, August 21st, 2025

$ 29.66

+0.04 +0.14%

Open: 29.57
High: 30.42
Low: 29.43
Volume: 491,388
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Historical Data


Date Open High Low Close Volume Chg %Chg
2025-08-22 29.98 30.90 29.98 30.50 494,527 +0.84 +2.83
2025-08-21 29.57 30.42 29.43 29.66 491,388 +0.04 +0.14
2025-08-20 30.21 30.39 29.42 29.62 434,156 -0.71 -2.34
2025-08-19 29.93 30.99 29.85 30.33 527,802 +0.57 +1.92
2025-08-18 29.83 30.65 29.58 29.76 433,088 -0.07 -0.23
2025-08-15 30.21 30.63 29.82 29.83 651,949 -0.38 -1.26
2025-08-14 30.03 30.63 29.64 30.21 464,371 -0.27 -0.89
2025-08-13 30.44 31.23 30.00 30.48 1,011,989 +0.13 +0.43

Metrics and Technicals


Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 30.99
On 2025-08-19
29.42
On 2025-08-20
0.67 2.25 30.99
On 2025-08-19
29.42
On 2025-08-20
-5.07 29.97
10D 31.23
On 2025-08-13
24.69
On 2025-08-11
6.69 28.10 31.23
On 2025-08-13
29.42
On 2025-08-20
-5.80 29.81
20D 31.23
On 2025-08-13
20.39
On 2025-08-01
8.13 36.34 22.90
On 2025-07-28
20.39
On 2025-08-01
-10.98 25.73
WTD 30.99
On 2025-08-19
29.42
On 2025-08-20
0.67 2.25 30.99
On 2025-08-19
29.42
On 2025-08-20
-5.07 29.97
MTD 31.23
On 2025-08-13
20.39
On 2025-08-01
9.55 45.58 31.23
On 2025-08-13
29.42
On 2025-08-20
-5.80 26.78
As of Friday, August 22nd, 2025
 
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AMPH

Amphastar Pharmaceuticals Inc.

30.50 +0.84 +2.83 494,527