Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 43,334 |
| Open | 25.39 |
| Bid (Size) | 25.57 (600) |
| Ask (Size) | 25.71 (100) |
| Prev. Close | 25.54 |
| Today's Range | 25.09 - 25.66 |
| 52wk Range | 16.64 - 29.52 |
| Shares Outstanding | 48,081,433 |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
13.1% below 52-week high
25.64
16.6452W Low
29.5252W High
1 Week
2.0% below 1-week high
25.031W Low
26.171W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $25.64, 13.1% below its 52-week high. Over the past week it ranged between $25.03 and $26.17.
Past 12 Months
1W
+$0.29
1M
+$2.71
3M
+$6.76
6M
+$5.24
YTD
-$0.82
1Y
-$0.19
AMPH was -0.7% over the past year, +25.7% over six months, -3.1% year to date, +1.1% in the last week.
12 Months vs Market
AMPH
-0.7%
DIA
+9.5%
SPY
+16.0%
QQQ
+25.1%
IWM
+13.1%
Over the past 12 months AMPH returned -0.7% versus DIA (Dow) +9.5%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +25.1% and IWM (Russell 2000) +13.1%.
Volume & Liquidity
0.09× 3-mo avg
Today 43,334
3-mo avg 472.4K
1W
521.0K
1M
548.8K
3M
472.4K
6M
544.0K
YTD
521.9K
1Y
494.2K
AMPH most recently traded 43,334 shares against a 3-month average daily volume of 472.4K.
More News
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August 27, 2026
Amphastar (AMPH) Q2 2026 Earnings Call Transcript ↗
August 13, 2026
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August 06, 2026
1 Value Stock to Own for Decades and 2 Facing Challenges
August 03, 2026
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July 28, 2026
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July 22, 2026
Frequently Asked Questions
Is 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 25.64
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/08/26 10:36 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.23B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.