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

26.76 +0.14 (+0.53%)
Delayed Quote Updated: 4:00 PM EDT, Oct 12, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 362,818
Open 26.62
Bid (Size) 25.75 (100)
Ask (Size) 27.20 (400)
Prev. Close 26.62
Today's Range 26.51 - 26.86
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 9.3% below 52-week high
26.76
16.6452W Low 29.5252W High
1 Week 0.4% below 1-week high
25.031W Low 26.861W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.76, 9.3% below its 52-week high. Over the past week it ranged between $25.03 and $26.86.

Past 12 Months
+3.3%
+11.9%
+38.7%
+25.3%
+1.1%
+13.8%
1W +$0.85
1M +$2.85
3M +$7.47
6M +$5.40
YTD +$0.30
1Y +$3.25

AMPH was +13.8% over the past year, +25.3% over six months, +1.1% year to date, +3.3% in the last week.

12 Months vs Market
AMPH
+13.8%
DIA
+12.4%
SPY
+17.4%
QQQ
+23.9%
IWM
+13.7%

Over the past 12 months AMPH returned +13.8% versus DIA (Dow) +12.4%, SPY (S&P 500) +17.4%, QQQ (Nasdaq 100) +23.9% and IWM (Russell 2000) +13.7%.

Volume & Liquidity 0.77× 3-mo avg
Today 362,818 3-mo avg 472.8K
1W
493.9K
1M
550.1K
3M
472.8K
6M
541.9K
YTD
520.1K
1Y
494.4K

AMPH most recently traded 362,818 shares against a 3-month average daily volume of 472.8K.

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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 26.76
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/12/26 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 1.29B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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