Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 164,457 |
| Open | 26.61 |
| Bid (Size) | 25.71 (200) |
| Ask (Size) | 25.81 (100) |
| 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
12.7% below 52-week high
25.76
16.6452W Low
29.5252W High
1 Week
4.9% below 1-week high
25.651W 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 $25.76, 12.7% below its 52-week high. Over the past week it ranged between $25.65 and $27.10.
Past 12 Months
1W
-$0.86
1M
+$2.12
3M
+$5.90
6M
+$3.95
YTD
-$0.70
1Y
+$2.62
AMPH was +11.3% over the past year, +18.1% over six months, -2.6% year to date, -3.2% in the last week.
12 Months vs Market
AMPH
+11.3%
DIA
+11.9%
SPY
+14.6%
QQQ
+18.0%
IWM
+8.0%
Over the past 12 months AMPH returned +11.3% versus DIA (Dow) +11.9%, SPY (S&P 500) +14.6%, QQQ (Nasdaq 100) +18.0% and IWM (Russell 2000) +8.0%.
Volume & Liquidity
0.35× 3-mo avg
Today 164,457
3-mo avg 472.3K
1W
368.8K
1M
527.0K
3M
472.3K
6M
539.8K
YTD
517.5K
1Y
494.1K
AMPH most recently traded 164,457 shares against a 3-month average daily volume of 472.3K.
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 25.76
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/16/26 02:26 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.
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