Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 34,783 |
| Open | 25.54 |
| Bid (Size) | 25.09 (100) |
| Ask (Size) | 25.20 (100) |
| Prev. Close | 25.37 |
| Today's Range | 25.11 - 25.54 |
| 52wk Range | 16.64 - 29.52 |
| Shares Outstanding | 48,081,433 |
| Dividend Yield | N/A |
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Performance
52-Week Range
14.9% below 52-week high
25.13
16.6452W Low
29.5252W High
1 Week
9.1% below 1-week high
25.061W Low
27.641W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $25.13, 14.9% below its 52-week high. Over the past week it ranged between $25.06 and $27.64.
Past 12 Months
1W
-$1.55
1M
+$2.20
3M
+$5.52
6M
+$4.55
YTD
-$1.33
1Y
-$1.45
AMPH was -5.5% over the past year, +22.1% over six months, -5.0% year to date, -5.8% in the last week.
12 Months vs Market
AMPH
-5.5%
DIA
+10.4%
SPY
+16.2%
QQQ
+25.3%
IWM
+14.6%
Over the past 12 months AMPH returned -5.5% versus DIA (Dow) +10.4%, SPY (S&P 500) +16.2%, QQQ (Nasdaq 100) +25.3% and IWM (Russell 2000) +14.6%.
Volume & Liquidity
0.07× 3-mo avg
Today 34,783
3-mo avg 465.0K
1W
500.2K
1M
541.4K
3M
465.0K
6M
539.7K
YTD
520.8K
1Y
492.2K
AMPH most recently traded 34,783 shares against a 3-month average daily volume of 465.0K.
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August 13, 2026
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August 06, 2026
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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 25.13
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/06/26 10:14 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.21B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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