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

26.21 +0.34 (+1.31%)
Delayed Quote Updated: 10:45 AM EDT, Oct 19, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 34,228
Open 25.63
Bid (Size) 26.19 (100)
Ask (Size) 26.26 (200)
Prev. Close 25.87
Today's Range 25.63 - 26.31
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 11.2% below 52-week high
26.21
16.6452W Low 29.5252W High
1 Week 3.3% below 1-week high
25.521W 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 $26.21, 11.2% below its 52-week high. Over the past week it ranged between $25.52 and $27.10.

Past 12 Months
-2.1%
+11.0%
+33.5%
+14.4%
-0.9%
+10.5%
1W -$0.55
1M +$2.59
3M +$6.58
6M +$3.29
YTD -$0.25
1Y +$2.48

AMPH was +10.5% over the past year, +14.4% over six months, -0.9% year to date, -2.1% in the last week.

12 Months vs Market
AMPH
+10.5%
DIA
+11.0%
SPY
+14.3%
QQQ
+17.8%
IWM
+9.2%

Over the past 12 months AMPH returned +10.5% versus DIA (Dow) +11.0%, SPY (S&P 500) +14.3%, QQQ (Nasdaq 100) +17.8% and IWM (Russell 2000) +9.2%.

Volume & Liquidity 0.07× 3-mo avg
Today 34,228 3-mo avg 473.4K
1W
351.7K
1M
530.9K
3M
473.4K
6M
539.8K
YTD
516.7K
1Y
494.4K

AMPH most recently traded 34,228 shares against a 3-month average daily volume of 473.4K.

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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 26.21
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/19/26 10:45 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.26B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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