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

26.72 +0.10 (+0.38%)
Delayed Quote Updated: 3:40 PM EDT, Oct 12, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 208,342
Open 26.62
Bid (Size) 26.67 (100)
Ask (Size) 26.73 (300)
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 9.5% below 52-week high
26.72
16.6452W Low 29.5252W High
1 Week 0.3% 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 $26.72, 9.5% below its 52-week high. Over the past week it ranged between $25.03 and $26.79.

Past 12 Months
+5.3%
+12.4%
+38.5%
+25.1%
+1.0%
+13.7%
1W +$1.35
1M +$2.94
3M +$7.43
6M +$5.36
YTD +$0.26
1Y +$3.21

AMPH was +13.7% over the past year, +25.1% over six months, +1.0% year to date, +5.3% in the last week.

12 Months vs Market
AMPH
+13.7%
DIA
+12.3%
SPY
+17.3%
QQQ
+23.9%
IWM
+13.7%

Over the past 12 months AMPH returned +13.7% versus DIA (Dow) +12.3%, SPY (S&P 500) +17.3%, QQQ (Nasdaq 100) +23.9% and IWM (Russell 2000) +13.7%.

Volume & Liquidity 0.44× 3-mo avg
Today 208,342 3-mo avg 474.5K
1W
512.2K
1M
552.7K
3M
474.5K
6M
543.3K
YTD
520.9K
1Y
494.9K

AMPH most recently traded 208,342 shares against a 3-month average daily volume of 474.5K.

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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 26.72
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/12/26 03:40 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.28B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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