AMPH: Amphastar Pharmaceuticals Inc.

As of Friday, March 13th, 2026

$ 18.18

+0.01 +0.03%

Open: 18.23
High: 18.46
Low: 17.81
Volume: 604,646
Previous Close on Thursday, March 12th, 2026

$ 18.18

-0.60 -3.17%

Open: 18.58
High: 18.58
Low: 17.03
Volume: 901,668

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-03-13 18.23 18.46 17.81 18.18 604,646 +0.01 +0.03
2026-03-12 18.58 18.58 17.03 18.18 901,668 -0.60 -3.17
2026-03-11 18.91 19.50 18.52 18.77 547,690 -0.14 -0.74
2026-03-10 19.21 19.57 18.84 18.91 526,934 -0.30 -1.56
2026-03-09 18.97 19.37 18.52 19.21 687,385 -0.13 -0.67
2026-03-06 20.05 20.08 18.94 19.34 753,558 -1.10 -5.38
2026-03-05 19.67 20.60 19.54 20.44 725,385 +0.48 +2.40
2026-03-04 19.97 20.20 19.56 19.96 594,582 +0.13 +0.66
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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 19.57
On 2026-03-10		 17.03
On 2026-03-12		 -1.16 -6.00 19.57
On 2026-03-10		 17.03
On 2026-03-12		 -12.98 18.65
10D 21.14
On 2026-03-02		 17.03
On 2026-03-12		 -2.05 -10.13 21.14
On 2026-03-02		 17.03
On 2026-03-12		 -19.44 19.38
20D 29.23
On 2026-02-17		 17.03
On 2026-03-12		 -9.37 -34.01 29.23
On 2026-02-17		 17.03
On 2026-03-12		 -41.74 23.32
WTD 19.57
On 2026-03-10		 17.03
On 2026-03-12		 -1.16 -6.00 19.57
On 2026-03-10		 17.03
On 2026-03-12		 -12.98 18.65
MTD 21.14
On 2026-03-02		 17.03
On 2026-03-12		 -2.05 -10.13 21.14
On 2026-03-02		 17.03
On 2026-03-12		 -19.44 19.38
As of Friday, March 13th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
AMPH

Amphastar Pharmaceuticals Inc.

18.18 +0.01 +0.03 604,646