Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 398,305 |
| Open | 27.37 |
| Bid (Size) | 27.85 (700) |
| Ask (Size) | 27.92 (200) |
| Prev. Close | 27.12 |
| Today's Range | 27.09 - 28.57 |
| 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
5.6% below 52-week high
27.88
16.6452W Low
29.5252W High
1 Week
25.361W Low
27.801W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $27.88, 5.6% below its 52-week high. Over the past week it ranged between $25.36 and $27.80.
Past 12 Months
1W
+$1.55
1M
+$2.51
3M
+$7.98
6M
+$4.49
YTD
+$1.42
1Y
+$2.58
AMPH was +10.2% over the past year, +19.2% over six months, +5.4% year to date, +5.9% in the last week.
12 Months vs Market
AMPH
+10.2%
DIA
+12.5%
SPY
+12.3%
QQQ
+9.6%
IWM
+15.5%
Over the past 12 months AMPH returned +10.2% versus DIA (Dow) +12.5%, SPY (S&P 500) +12.3%, QQQ (Nasdaq 100) +9.6% and IWM (Russell 2000) +15.5%.
Volume & Liquidity
0.85× 3-mo avg
Today 398,305
3-mo avg 468.9K
1W
496.2K
1M
418.1K
3M
468.9K
6M
538.5K
YTD
510.4K
1Y
495.6K
AMPH most recently traded 398,305 shares against a 3-month average daily volume of 468.9K.
More News
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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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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 27.88
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/04/26 02:57 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.34B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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