AMPH: Amphastar Pharmaceuticals Inc.

As of Friday, September 12th, 2025

$ 28.06

-0.62 -2.16%

Open: 28.86
High: 28.86
Low: 27.91
Volume: 273,425
Previous Close on Thursday, September 11th, 2025

$ 28.68

+0.28 +0.99%

Open: 28.36
High: 28.89
Low: 28.36
Volume: 421,373

Historical Data

Date Open High Low Close Volume Chg %Chg
2025-09-12 28.86 28.86 27.91 28.06 273,423 -0.62 -2.16
2025-09-11 28.36 28.89 28.36 28.68 421,373 +0.28 +0.99
2025-09-10 29.18 29.26 28.34 28.40 297,838 -0.93 -3.17
2025-09-09 29.26 29.43 28.99 29.33 379,382 +0.07 +0.24
2025-09-08 29.30 29.41 28.49 29.26 385,596 -0.16 -0.54
2025-09-05 29.08 29.78 28.98 29.42 414,936 +0.23 +0.79
2025-09-04 29.39 29.59 28.88 29.19 553,276 -0.20 -0.68
2025-09-03 30.49 31.10 29.29 29.39 566,946 -1.42 -4.61
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 29.43
On 2025-09-09		 27.91
On 2025-09-12		 -1.36 -4.62 29.43
On 2025-09-09		 27.91
On 2025-09-12		 -5.16 28.75
10D 31.26
On 2025-09-02		 27.91
On 2025-09-12		 -2.20 -7.27 31.26
On 2025-09-02		 27.91
On 2025-09-12		 -10.73 29.32
20D 31.26
On 2025-09-02		 27.91
On 2025-09-12		 -2.15 -7.12 31.26
On 2025-09-02		 27.91
On 2025-09-12		 -10.73 29.69
WTD 29.43
On 2025-09-09		 27.91
On 2025-09-12		 -1.36 -4.62 29.43
On 2025-09-09		 27.91
On 2025-09-12		 -5.16 28.75
MTD 31.26
On 2025-09-02		 27.91
On 2025-09-12		 -2.56 -8.36 31.26
On 2025-09-02		 27.91
On 2025-09-12		 -10.73 29.17
As of Friday, September 12th, 2025
 
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45,834.22 -273.78 -0.59 414,208,871
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15,628.08 -139.33 -0.88 155,150,292
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14.74 +0.06 +0.41
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11,135.35 +53.80 +0.49
 
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AMPH

Amphastar Pharmaceuticals Inc.

28.06 -0.62 -2.16 273,425