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

28.76 -0.30 (-1.03%)
Delayed Quote Updated: 11:57 AM EST, Nov 11, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 81,634
Open 28.87
Bid (Size) 28.74 (400)
Ask (Size) 28.87 (100)
Prev. Close 29.06
Today's Range 28.55 - 29.30
52wk Range 16.64 - 31.00
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 7.2% below 52-week high
28.76
16.6452W Low 31.0052W High
1 Week 7.2% below 1-week high
27.091W Low 31.001W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $31.00 over the past 52 weeks and last traded at $28.76, 7.2% below its 52-week high. Over the past week it ranged between $27.09 and $31.00.

Past 12 Months
+2.6%
+7.5%
+40.8%
+64.3%
+8.7%
+10.1%
1W +$0.74
1M +$2.00
3M +$8.34
6M +$11.26
YTD +$2.30
1Y +$2.64

AMPH was +10.1% over the past year, +64.3% over six months, +8.7% year to date, +2.6% in the last week.

12 Months vs Market
AMPH
+10.1%
DIA
+10.3%
SPY
+11.5%
QQQ
+11.2%
IWM
+15.9%

Over the past 12 months AMPH returned +10.1% versus DIA (Dow) +10.3%, SPY (S&P 500) +11.5%, QQQ (Nasdaq 100) +11.2% and IWM (Russell 2000) +15.9%.

Volume & Liquidity 0.17× 3-mo avg
Today 81,634 3-mo avg 467.2K
1W
639.6K
1M
447.1K
3M
467.2K
6M
528.5K
YTD
513.4K
1Y
497.6K

AMPH most recently traded 81,634 shares against a 3-month average daily volume of 467.2K.

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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 28.76
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/11/26 11:57 AM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.38B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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