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

26.42 +0.34 (+1.30%)
Delayed Quote Updated: 4:00 PM EDT, Oct 15, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 352,436
Open 26.38
Bid (Size) 25.75 (100)
Ask (Size) 27.48 (200)
Prev. Close 26.08
Today's Range 26.13 - 27.10
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 10.5% below 52-week high
26.42
16.6452W Low 29.5252W High
1 Week 2.5% below 1-week high
25.651W Low 27.101W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.42, 10.5% below its 52-week high. Over the past week it ranged between $25.65 and $27.10.

Past 12 Months
-0.8%
+11.8%
+33.0%
+21.1%
-0.2%
+14.2%
1W -$0.20
1M +$2.78
3M +$6.56
6M +$4.61
YTD -$0.04
1Y +$3.28

AMPH was +14.2% over the past year, +21.1% over six months, -0.2% year to date, -0.8% in the last week.

12 Months vs Market
AMPH
+14.2%
DIA
+12.6%
SPY
+16.0%
QQQ
+20.9%
IWM
+9.9%

Over the past 12 months AMPH returned +14.2% versus DIA (Dow) +12.6%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +20.9% and IWM (Russell 2000) +9.9%.

Volume & Liquidity 0.75× 3-mo avg
Today 352,436 3-mo avg 472.3K
1W
368.8K
1M
527.0K
3M
472.3K
6M
539.8K
YTD
517.5K
1Y
494.1K

AMPH most recently traded 352,436 shares against a 3-month average daily volume of 472.3K.

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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 26.42
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/15/26 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 1.27B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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