Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 30 |
| Open | 26.20 |
| Bid (Size) | 25.50 (100) |
| Ask (Size) | 27.48 (200) |
| Prev. Close | 26.20 |
| Today's Range | 26.20 - 26.20 |
| 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
11.2% below 52-week high
26.20
16.6452W Low
29.5252W High
1 Week
3.3% below 1-week high
25.511W Low
27.101W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.20, 11.2% below its 52-week high. Over the past week it ranged between $25.51 and $27.10.
Past 12 Months
1W
-$0.22
1M
+$1.72
3M
+$6.90
6M
+$5.21
YTD
-$0.26
1Y
+$1.94
AMPH was +8.0% over the past year, +24.8% over six months, -1.0% year to date, -0.8% in the last week.
12 Months vs Market
AMPH
+8.0%
DIA
+12.5%
SPY
+15.2%
QQQ
+18.6%
IWM
+11.9%
Over the past 12 months AMPH returned +8.0% versus DIA (Dow) +12.5%, SPY (S&P 500) +15.2%, QQQ (Nasdaq 100) +18.6% and IWM (Russell 2000) +11.9%.
Volume & Liquidity
0.00× 3-mo avg
Today 30
3-mo avg 466.0K
1W
351.1K
1M
467.1K
3M
466.0K
6M
534.1K
YTD
514.2K
1Y
493.6K
AMPH most recently traded 30 shares against a 3-month average daily volume of 466.0K.
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August 13, 2026
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August 06, 2026
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August 03, 2026
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July 28, 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 26.20
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/21/26 04:00 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.26B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.