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Amphastar Pharmaceuticals, Inc. - Common Stock (NQ:AMPH)

25.98 +0.07 (+0.29%)
Delayed Quote Updated: 11:33 AM EDT, Oct 7, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 119,746
Open 25.91
Bid (Size) 25.93 (300)
Ask (Size) 26.04 (200)
Prev. Close 25.91
Today's Range 25.49 - 26.17
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 12.0% below 52-week high
25.98
16.6452W Low 29.5252W High
1 Week 3.0% below 1-week high
25.031W Low 26.791W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $25.98, 12.0% below its 52-week high. Over the past week it ranged between $25.03 and $26.79.

Past 12 Months
+0.7%
+13.3%
+29.4%
+26.3%
-1.8%
-2.2%
1W +$0.18
1M +$3.05
3M +$5.91
6M +$5.41
YTD -$0.48
1Y -$0.59

AMPH was -2.2% over the past year, +26.3% over six months, -1.8% year to date, +0.7% in the last week.

12 Months vs Market
AMPH
-2.2%
DIA
+9.1%
SPY
+15.4%
QQQ
+24.3%
IWM
+12.4%

Over the past 12 months AMPH returned -2.2% versus DIA (Dow) +9.1%, SPY (S&P 500) +15.4%, QQQ (Nasdaq 100) +24.3% and IWM (Russell 2000) +12.4%.

Volume & Liquidity 0.26× 3-mo avg
Today 119,746 3-mo avg 467.4K
1W
467.6K
1M
537.9K
3M
467.4K
6M
540.7K
YTD
520.5K
1Y
492.1K

AMPH most recently traded 119,746 shares against a 3-month average daily volume of 467.4K.

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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 25.98
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/07/26 11:33 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.25B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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