AMPH: Amphastar Pharmaceuticals Inc.

As of Friday, October 30th, 2026

$ 27.72

+0.79 +2.93%

Open: 27.12
High: 27.80
Low: 26.76
Volume: 664,418
Previous Close on Thursday, October 29th, 2026

$ 26.93

+0.60 +2.28%

Open: 26.84
High: 27.00
Low: 26.45
Volume: 371,412

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-10-30 27.12 27.80 26.76 27.72 664,418 +0.79 +2.93
2026-10-29 26.84 27.00 26.45 26.93 371,412 +0.60 +2.28
2026-10-28 25.36 26.36 25.36 26.33 396,452 +0.76 +2.97
2026-10-27 25.38 25.70 25.29 25.57 323,925 +0.10 +0.39
2026-10-26 25.27 25.65 25.22 25.47 22,739 +0.33 +1.31
2026-10-23 25.91 25.91 24.62 25.14 482,286 -0.90 -3.46
2026-10-22 26.25 26.50 25.92 26.04 315 -0.16 -0.61
2026-10-21 25.69 26.35 25.51 26.20 390,202 +0.26 +1.00
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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 27.80
On 2026-10-30		 25.22
On 2026-10-26		 2.58 10.26 25.65
On 2026-10-26		 25.65
On 2026-10-26		 0.00 26.40
10D 27.80
On 2026-10-30		 24.62
On 2026-10-23		 1.85 7.15 26.61
On 2026-10-20		 24.62
On 2026-10-23		 -7.48 26.15
20D 27.80
On 2026-10-30		 24.62
On 2026-10-23		 2.29 9.01 27.10
On 2026-10-15		 24.62
On 2026-10-23		 -9.15 26.10
WTD 27.80
On 2026-10-30		 25.22
On 2026-10-26		 2.58 10.26 25.65
On 2026-10-26		 25.65
On 2026-10-26		 0.00 26.40
MTD 27.80
On 2026-10-30		 24.62
On 2026-10-23		 1.91 7.40 27.10
On 2026-10-15		 24.62
On 2026-10-23		 -9.15 26.03
As of Friday, October 30th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
AMPH

Amphastar Pharmaceuticals Inc.

27.72 +0.79 +2.93 664,418