Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 352,085 |
| Open | 26.61 |
| Bid (Size) | 24.01 (100) |
| Ask (Size) | 27.48 (200) |
| Prev. Close | 26.42 |
| Today's Range | 25.52 - 26.61 |
| 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
12.4% below 52-week high
25.87
16.6452W Low
29.5252W High
1 Week
4.5% below 1-week high
25.521W 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 $25.87, 12.4% below its 52-week high. Over the past week it ranged between $25.52 and $27.10.
Past 12 Months
1W
-$0.89
1M
+$1.92
3M
+$6.12
6M
+$2.99
YTD
-$0.59
1Y
+$2.65
AMPH was +11.4% over the past year, +13.1% over six months, -2.2% year to date, -3.3% in the last week.
12 Months vs Market
AMPH
+11.4%
DIA
+13.0%
SPY
+15.5%
QQQ
+18.3%
IWM
+10.4%
Over the past 12 months AMPH returned +11.4% versus DIA (Dow) +13.0%, SPY (S&P 500) +15.5%, QQQ (Nasdaq 100) +18.3% and IWM (Russell 2000) +10.4%.
Volume & Liquidity
0.75× 3-mo avg
Today 352,085
3-mo avg 471.3K
1W
351.7K
1M
526.9K
3M
471.3K
6M
539.8K
YTD
516.7K
1Y
493.5K
AMPH most recently traded 352,085 shares against a 3-month average daily volume of 471.3K.
More News
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September 01, 2026
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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 25.87
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/16/26 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 1.24B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.