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

25.65 -0.26 (-1.00%)
Delayed Quote Updated: 2:46 PM EDT, Oct 7, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 208,044
Open 25.91
Bid (Size) 25.63 (200)
Ask (Size) 25.67 (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 13.1% below 52-week high
25.65
16.6452W Low 29.5252W High
1 Week 4.3% 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 $25.65, 13.1% below its 52-week high. Over the past week it ranged between $25.03 and $26.79.

Past 12 Months
-0.6%
+11.9%
+27.7%
+24.6%
-3.1%
-3.5%
1W -$0.16
1M +$2.72
3M +$5.57
6M +$5.07
YTD -$0.81
1Y -$0.93

AMPH was -3.5% over the past year, +24.6% over six months, -3.1% year to date, -0.6% in the last week.

12 Months vs Market
AMPH
-3.5%
DIA
+9.6%
SPY
+15.8%
QQQ
+24.6%
IWM
+12.7%

Over the past 12 months AMPH returned -3.5% versus DIA (Dow) +9.6%, SPY (S&P 500) +15.8%, QQQ (Nasdaq 100) +24.6% and IWM (Russell 2000) +12.7%.

Volume & Liquidity 0.45× 3-mo avg
Today 208,044 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 208,044 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 25.65
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/07/26 02:46 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.23B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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