Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)
Price and Volume
Detailed Quote| Volume | 380,762 |
| Open | 29.05 |
| Bid (Size) | 29.35 (1,000) |
| Ask (Size) | 29.39 (1,400) |
| Prev. Close | 28.87 |
| Today's Range | 28.84 - 29.73 |
| 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
5.3% below 52-week high
29.37
16.6452W Low
31.0052W High
1 Week
1.2% below 1-week high
28.501W Low
29.731W High
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $31.00 over the past 52 weeks and last traded at $29.37, 5.3% below its 52-week high. Over the past week it ranged between $28.50 and $29.73.
Past 12 Months
1W
-$0.01
1M
+$3.29
3M
+$8.46
6M
+$12.50
YTD
+$2.91
1Y
+$3.00
AMPH was +11.4% over the past year, +74.1% over six months, +11.0% year to date, -0.0% in the last week.
12 Months vs Market
AMPH
+11.4%
DIA
+10.2%
SPY
+12.3%
QQQ
+11.8%
IWM
+17.2%
Over the past 12 months AMPH returned +11.4% versus DIA (Dow) +10.2%, SPY (S&P 500) +12.3%, QQQ (Nasdaq 100) +11.8% and IWM (Russell 2000) +17.2%.
Volume & Liquidity
0.82× 3-mo avg
Today 380,762
3-mo avg 464.3K
1W
474.8K
1M
452.2K
3M
464.3K
6M
515.3K
YTD
512.1K
1Y
494.4K
AMPH most recently traded 380,762 shares against a 3-month average daily volume of 464.3K.
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 29.37
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/13/26 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 1.41B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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