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

26.78 +0.45 (+1.71%)
Delayed Quote Updated: 1:41 PM EDT, Oct 29, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 117,049
Open 26.84
Bid (Size) 26.77 (100)
Ask (Size) 26.78 (300)
Prev. Close 26.33
Today's Range 26.45 - 26.94
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 9.3% below 52-week high
26.78
16.6452W Low 29.5252W High
1 Week
24.621W Low 26.501W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.78, 9.3% below its 52-week high. Over the past week it ranged between $24.62 and $26.50.

Past 12 Months
+2.8%
-2.2%
+30.1%
+23.8%
+1.2%
+10.8%
1W +$0.74
1M -$0.61
3M +$6.20
6M +$5.15
YTD +$0.32
1Y +$2.60

AMPH was +10.8% over the past year, +23.8% over six months, +1.2% year to date, +2.8% in the last week.

12 Months vs Market
AMPH
+10.8%
DIA
+9.3%
SPY
+11.8%
QQQ
+12.8%
IWM
+14.0%

Over the past 12 months AMPH returned +10.8% versus DIA (Dow) +9.3%, SPY (S&P 500) +11.8%, QQQ (Nasdaq 100) +12.8% and IWM (Russell 2000) +14.0%.

Volume & Liquidity 0.25× 3-mo avg
Today 117,049 3-mo avg 459.3K
1W
348.9K
1M
431.0K
3M
459.3K
6M
534.1K
YTD
510.2K
1Y
493.5K

AMPH most recently traded 117,049 shares against a 3-month average daily volume of 459.3K.

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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 26.78
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/29/26 01:41 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.29B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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