Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 483,121 |
| Open | 25.91 |
| Bid (Size) | 24.01 (100) |
| Ask (Size) | 26.89 (200) |
| Prev. Close | 26.04 |
| Today's Range | 24.62 - 25.91 |
| 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
14.8% below 52-week high
25.14
16.6452W Low
29.5252W High
1 Week
5.5% below 1-week high
24.621W Low
26.611W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $25.14, 14.8% below its 52-week high. Over the past week it ranged between $24.62 and $26.61.
Past 12 Months
1W
-$1.00
1M
-$1.13
3M
+$5.96
6M
+$3.49
YTD
-$1.32
1Y
+$0.62
AMPH was +2.5% over the past year, +16.1% over six months, -5.0% year to date, -3.8% in the last week.
12 Months vs Market
AMPH
+2.5%
DIA
+10.4%
SPY
+12.2%
QQQ
+14.1%
IWM
+10.6%
Over the past 12 months AMPH returned +2.5% versus DIA (Dow) +10.4%, SPY (S&P 500) +12.2%, QQQ (Nasdaq 100) +14.1% and IWM (Russell 2000) +10.6%.
Volume & Liquidity
1.05× 3-mo avg
Today 483,121
3-mo avg 462.2K
1W
369.9K
1M
450.7K
3M
462.2K
6M
535.6K
YTD
513.1K
1Y
493.9K
AMPH most recently traded 483,121 shares against a 3-month average daily volume of 462.2K.
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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 25.14
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/23/26 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 1.21B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.