Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 193,086 |
| Open | 29.44 |
| Bid (Size) | 28.36 (300) |
| Ask (Size) | 28.58 (100) |
| Prev. Close | 27.66 |
| Today's Range | 28.00 - 31.00 |
| 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
3.6% below 52-week high
28.46
16.6452W Low
29.5252W High
1 Week
2.6% below 1-week high
26.691W Low
29.211W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $28.46, 3.6% below its 52-week high. Over the past week it ranged between $26.69 and $29.21.
Past 12 Months
1W
+$0.74
1M
+$2.55
3M
+$8.65
6M
+$4.43
YTD
+$2.00
1Y
+$3.15
AMPH was +12.4% over the past year, +18.4% over six months, +7.6% year to date, +2.7% in the last week.
12 Months vs Market
AMPH
+12.4%
DIA
+8.9%
SPY
+9.2%
QQQ
+5.7%
IWM
+11.6%
Over the past 12 months AMPH returned +12.4% versus DIA (Dow) +8.9%, SPY (S&P 500) +9.2%, QQQ (Nasdaq 100) +5.7% and IWM (Russell 2000) +11.6%.
Volume & Liquidity
0.41× 3-mo avg
Today 193,086
3-mo avg 475.3K
1W
592.7K
1M
434.6K
3M
475.3K
6M
542.4K
YTD
511.5K
1Y
497.4K
AMPH most recently traded 193,086 shares against a 3-month average daily volume of 475.3K.
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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
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 28.46
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/06/26 10:44 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.37B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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