AMPH: Amphastar Pharmaceuticals Inc.

As of Monday, February 9th, 2026

$ 28.61

-0.65 -2.22%

Open: 29.08
High: 29.20
Low: 28.37
Volume: 284,951
Previous Close on Friday, February 6th, 2026

$ 29.26

+0.63 +2.20%

Open: 28.61
High: 29.46
Low: 28.61
Volume: 343,837

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-02-09 29.08 29.20 28.37 28.61 284,951 -0.65 -2.22
2026-02-06 28.61 29.46 28.61 29.26 343,837 +0.63 +2.20
2026-02-05 28.45 29.22 28.45 28.63 287,455 +0.02 +0.07
2026-02-04 28.79 29.37 28.56 28.61 378,851 +0.37 +1.31
2026-02-03 27.57 28.28 27.06 28.24 50,629 +0.32 +1.15
2026-02-02 26.36 28.13 26.34 27.92 443,957 +1.43 +5.40
2026-01-30 26.15 26.60 26.04 26.49 294,469 +0.34 +1.30
2026-01-29 26.10 26.43 25.80 26.15 18,437 +0.03 +0.11
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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 29.46
On 2026-02-06		 27.06
On 2026-02-03		 0.69 2.47 29.46
On 2026-02-06		 28.37
On 2026-02-09		 -3.70 28.67
10D 29.46
On 2026-02-06		 25.80
On 2026-01-29		 2.01 7.56 29.46
On 2026-02-06		 28.37
On 2026-02-09		 -3.70 27.63
20D 29.52
On 2026-01-12		 25.42
On 2026-01-16		 0.87 3.14 29.52
On 2026-01-12		 25.42
On 2026-01-16		 -13.89 27.26
WTD 29.20
On 2026-02-09		 28.37
On 2026-02-09		 -0.65 -2.22 -- -- -- 28.61
MTD 29.46
On 2026-02-06		 26.34
On 2026-02-02		 2.12 8.00 29.46
On 2026-02-06		 28.37
On 2026-02-09		 -3.70 28.55
As of Monday, February 9th, 2026
 
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AMPH

Amphastar Pharmaceuticals Inc.

28.61 -0.65 -2.22 284,951