Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 484,894 |
| Open | 28.75 |
| Bid (Size) | 28.00 (2,700) |
| Ask (Size) | 29.80 (200) |
| Prev. Close | 29.38 |
| Today's Range | 28.51 - 29.40 |
| 52wk Range | 16.64 - 31.00 |
| Shares Outstanding | 48,081,433 |
| Dividend Yield | N/A |
Top News
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Performance
52-Week Range
6.3% below 52-week high
29.06
16.6452W Low
31.0052W High
1 Week
6.3% below 1-week high
27.091W Low
31.001W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $31.00 over the past 52 weeks and last traded at $29.06, 6.3% below its 52-week high. Over the past week it ranged between $27.09 and $31.00.
Past 12 Months
1W
+$1.04
1M
+$2.30
3M
+$8.64
6M
+$11.56
YTD
+$2.60
1Y
+$2.94
AMPH was +11.3% over the past year, +66.1% over six months, +9.8% year to date, +3.7% in the last week.
12 Months vs Market
AMPH
+11.3%
DIA
+10.1%
SPY
+10.0%
QQQ
+8.3%
IWM
+15.0%
Over the past 12 months AMPH returned +11.3% versus DIA (Dow) +10.1%, SPY (S&P 500) +10.0%, QQQ (Nasdaq 100) +8.3% and IWM (Russell 2000) +15.0%.
Volume & Liquidity
1.04× 3-mo avg
Today 484,894
3-mo avg 467.2K
1W
639.6K
1M
447.1K
3M
467.2K
6M
528.5K
YTD
513.4K
1Y
497.6K
AMPH most recently traded 484,894 shares against a 3-month average daily volume of 467.2K.
More News
Read More
Amphastar Pharmaceuticals Q3 Earnings Call Highlights ↗
November 05, 2026
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October 30, 2026
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October 29, 2026
1 Safe-and-Steady Stock to Research Further and 2 Facing Challenges
October 08, 2026
3 Stocks Under $50 We Think Twice About
October 01, 2026
3 Reasons to Avoid AMPH and 1 Stock to Buy Instead
September 24, 2026
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September 21, 2026
3 Small-Cap Stocks with Warning Signs
September 18, 2026
3 Healthcare Stocks We Keep Off Our Radar
September 01, 2026
1 Cash-Producing Stock on Our Buy List and 2 We Question
August 27, 2026
Amphastar (AMPH) Q2 2026 Earnings Call Transcript ↗
August 13, 2026
Amphastar Pharmaceuticals Q2 Earnings Call Highlights ↗
August 06, 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 29.06
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/10/26 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 1.40B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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