Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 181,833 |
| Open | 25.36 |
| Bid (Size) | 26.01 (200) |
| Ask (Size) | 26.10 (100) |
| Prev. Close | 25.57 |
| Today's Range | 25.36 - 26.28 |
| 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
11.8% below 52-week high
26.05
16.6452W Low
29.5252W High
1 Week
1.7% below 1-week high
24.621W Low
26.501W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.05, 11.8% below its 52-week high. Over the past week it ranged between $24.62 and $26.50.
Past 12 Months
1W
-$0.15
1M
-$1.34
3M
+$5.90
6M
+$4.23
YTD
-$0.41
1Y
+$2.01
AMPH was +8.4% over the past year, +19.4% over six months, -1.5% year to date, -0.6% in the last week.
12 Months vs Market
AMPH
+8.4%
DIA
+10.4%
SPY
+12.6%
QQQ
+15.1%
IWM
+12.1%
Over the past 12 months AMPH returned +8.4% versus DIA (Dow) +10.4%, SPY (S&P 500) +12.6%, QQQ (Nasdaq 100) +15.1% and IWM (Russell 2000) +12.1%.
Volume & Liquidity
0.40× 3-mo avg
Today 181,833
3-mo avg 459.2K
1W
347.5K
1M
432.6K
3M
459.2K
6M
533.1K
YTD
510.8K
1Y
493.2K
AMPH most recently traded 181,833 shares against a 3-month average daily volume of 459.2K.
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Amphastar (AMPH) Q2 2026 Earnings Call Transcript ↗
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 26.05
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/28/26 01:56 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.25B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.