Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 299,509 |
| Open | 25.63 |
| Bid (Size) | 24.01 (100) |
| Ask (Size) | 27.38 (100) |
| Prev. Close | 25.87 |
| Today's Range | 25.63 - 26.31 |
| 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
11.4% below 52-week high
26.14
16.6452W Low
29.5252W High
1 Week
3.5% 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 $26.14, 11.4% below its 52-week high. Over the past week it ranged between $25.52 and $27.10.
Past 12 Months
1W
-$0.62
1M
+$2.52
3M
+$6.51
6M
+$3.22
YTD
-$0.32
1Y
+$2.41
AMPH was +10.2% over the past year, +14.0% over six months, -1.2% year to date, -2.3% in the last week.
12 Months vs Market
AMPH
+10.2%
DIA
+11.1%
SPY
+14.2%
QQQ
+17.5%
IWM
+9.3%
Over the past 12 months AMPH returned +10.2% versus DIA (Dow) +11.1%, SPY (S&P 500) +14.2%, QQQ (Nasdaq 100) +17.5% and IWM (Russell 2000) +9.3%.
Volume & Liquidity
0.63× 3-mo avg
Today 299,509
3-mo avg 473.4K
1W
351.7K
1M
530.9K
3M
473.4K
6M
539.8K
YTD
516.7K
1Y
494.4K
AMPH most recently traded 299,509 shares against a 3-month average daily volume of 473.4K.
More News
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September 24, 2026
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September 18, 2026
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September 01, 2026
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August 27, 2026
Amphastar (AMPH) Q2 2026 Earnings Call Transcript ↗
August 13, 2026
Amphastar Pharmaceuticals Q2 Earnings Call Highlights ↗
August 06, 2026
1 Value Stock to Own for Decades and 2 Facing Challenges
August 03, 2026
3 Reasons AMPH is Risky and 1 Stock to Buy Instead
July 28, 2026
3 Stocks Under $50 We Keep Off Our Radar
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 26.14
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/19/26 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.
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