Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 541,121 |
| Open | 29.44 |
| Bid (Size) | 28.69 (200) |
| Ask (Size) | 28.76 (200) |
| Prev. Close | 27.66 |
| Today's Range | 27.80 - 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
2.7% below 52-week high
28.73
16.6452W Low
29.5252W High
1 Week
1.7% 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 $28.73, 2.7% below its 52-week high. Over the past week it ranged between $26.69 and $29.21.
Past 12 Months
1W
+$1.01
1M
+$2.82
3M
+$8.92
6M
+$4.70
YTD
+$2.27
1Y
+$3.42
AMPH was +13.5% over the past year, +19.5% over six months, +8.6% year to date, +3.6% in the last week.
12 Months vs Market
AMPH
+13.5%
DIA
+8.5%
SPY
+8.9%
QQQ
+5.7%
IWM
+12.1%
Over the past 12 months AMPH returned +13.5% versus DIA (Dow) +8.5%, SPY (S&P 500) +8.9%, QQQ (Nasdaq 100) +5.7% and IWM (Russell 2000) +12.1%.
Volume & Liquidity
1.14× 3-mo avg
Today 541,121
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 541,121 shares against a 3-month average daily volume of 475.3K.
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
3 Russell 2000 Stocks We Find Risky
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 28.73
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/06/26 03:31 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.38B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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