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

25.20 -0.15 (-0.59%)
Delayed Quote Updated: 11:45 AM EDT, Oct 2, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 72,443
Open 25.46
Bid (Size) 25.19 (100)
Ask (Size) 25.23 (300)
Prev. Close 25.35
Today's Range 25.13 - 25.55
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 14.6% below 52-week high
25.20
16.6452W Low 29.5252W High
1 Week 9.4% below 1-week high
25.301W Low 27.801W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $25.20, 14.6% below its 52-week high. Over the past week it ranged between $25.30 and $27.80.

Past 12 Months
-3.6%
+9.8%
+28.3%
+23.2%
-4.8%
-6.6%
1W -$0.93
1M +$2.24
3M +$5.56
6M +$4.74
YTD -$1.26
1Y -$1.79

AMPH was -6.6% over the past year, +23.2% over six months, -4.8% year to date, -3.6% in the last week.

12 Months vs Market
AMPH
-6.6%
DIA
+9.9%
SPY
+15.1%
QQQ
+24.3%
IWM
+16.2%

Over the past 12 months AMPH returned -6.6% versus DIA (Dow) +9.9%, SPY (S&P 500) +15.1%, QQQ (Nasdaq 100) +24.3% and IWM (Russell 2000) +16.2%.

Volume & Liquidity 0.16× 3-mo avg
Today 72,443 3-mo avg 464.2K
1W
560.2K
1M
551.2K
3M
464.2K
6M
540.5K
YTD
521.9K
1Y
490.8K

AMPH most recently traded 72,443 shares against a 3-month average daily volume of 464.2K.

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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 25.20
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/02/26 11:45 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.21B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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