Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)Price and VolumeDetailed Quote
Top NewsMore NewsPerformance
52-Week Range
12.5% below 52-week high
25.84
16.6452W Low
29.5252W High
1 Week
3.5% below 1-week high
25.031W Low
26.791W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $25.84, 12.5% below its 52-week high. Over the past week it ranged between $25.03 and $26.79.
Past 12 Months
1W
+$0.03
1M
+$2.91
3M
+$5.76
6M
+$5.26
YTD
-$0.62
1Y
-$0.74
AMPH was -2.8% over the past year, +25.6% over six months, -2.3% year to date, +0.1% in the last week.
12 Months vs Market
AMPH
DIA
SPY
QQQ
IWM
Over the past 12 months AMPH returned -2.8% versus DIA (Dow) +9.1%, SPY (S&P 500) +15.4%, QQQ (Nasdaq 100) +24.1% and IWM (Russell 2000) +12.6%.
Volume & Liquidity
0.13× 3-mo avg
Today 60,591
3-mo avg 467.4K
1W
1M
3M
6M
YTD
1Y
AMPH most recently traded 60,591 shares against a 3-month average daily volume of 467.4K. More NewsRead More
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August 13, 2026
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August 06, 2026
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Frequently Asked QuestionsIs Amphastar Pharmaceuticals, Inc. - Common Stock publicly traded?
Yes, Amphastar Pharmaceuticals, Inc. - Common Stock is publicly traded.
What exchange does Amphastar Pharmaceuticals, Inc. - Common Stock trade on?
Amphastar Pharmaceuticals, Inc. - Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Amphastar Pharmaceuticals, Inc. - Common Stock?
The ticker symbol for Amphastar Pharmaceuticals, Inc. - Common Stock is AMPH on the Nasdaq Stock Market
What is the current price of Amphastar Pharmaceuticals, Inc. - Common Stock?
The current price of Amphastar Pharmaceuticals, Inc. - Common Stock is 25.84
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/07/26 10:21 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.24B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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