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

26.08 +0.03 (+0.12%)
Delayed Quote Updated: 4:00 PM EDT, Oct 14, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 364,646
Open 25.89
Bid (Size) 26.04 (200)
Ask (Size) 26.08 (2,000)
Prev. Close 26.05
Today's Range 25.89 - 26.57
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 11.7% below 52-week high
26.08
16.6452W Low 29.5252W High
1 Week 3.4% below 1-week high
25.091W Low 27.001W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.08, 11.7% below its 52-week high. Over the past week it ranged between $25.09 and $27.00.

Past 12 Months
+2.1%
+9.1%
+38.7%
+22.0%
-1.4%
+10.9%
1W +$0.54
1M +$2.17
3M +$7.27
6M +$4.70
YTD -$0.38
1Y +$2.57

AMPH was +10.9% over the past year, +22.0% over six months, -1.4% year to date, +2.1% in the last week.

12 Months vs Market
AMPH
+10.9%
DIA
+11.9%
SPY
+16.1%
QQQ
+21.1%
IWM
+11.0%

Over the past 12 months AMPH returned +10.9% versus DIA (Dow) +11.9%, SPY (S&P 500) +16.1%, QQQ (Nasdaq 100) +21.1% and IWM (Russell 2000) +11.0%.

Volume & Liquidity 0.77× 3-mo avg
Today 364,646 3-mo avg 471.9K
1W
465.4K
1M
539.9K
3M
471.9K
6M
539.9K
YTD
519.1K
1Y
493.7K

AMPH most recently traded 364,646 shares against a 3-month average daily volume of 471.9K.

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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 26.08
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/14/26 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 1.25B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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