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

26.62 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 9, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 2
Open 26.62
Bid (Size) 25.75 (100)
Ask (Size) 27.48 (200)
Prev. Close 26.62
Today's Range 26.62 - 26.62
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 9.8% below 52-week high
26.62
16.6452W Low 29.5252W High
1 Week 0.6% 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 $26.62, 9.8% below its 52-week high. Over the past week it ranged between $25.03 and $26.79.

Past 12 Months
+4.9%
+11.9%
+38.0%
+24.6%
+0.6%
+13.2%
1W +$1.25
1M +$2.84
3M +$7.33
6M +$5.26
YTD +$0.16
1Y +$3.11

AMPH was +13.2% over the past year, +24.6% over six months, +0.6% year to date, +4.9% in the last week.

12 Months vs Market
AMPH
+13.2%
DIA
+12.0%
SPY
+17.4%
QQQ
+24.8%
IWM
+14.1%

Over the past 12 months AMPH returned +13.2% versus DIA (Dow) +12.0%, SPY (S&P 500) +17.4%, QQQ (Nasdaq 100) +24.8% and IWM (Russell 2000) +14.1%.

Volume & Liquidity 0.00× 3-mo avg
Today 2 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 2 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 26.62
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/09/26 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 1.28B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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