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

28.49 +0.83 (+3.00%)
Delayed Quote Updated: 4:00 PM EST, Nov 6, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 826,255
Open 29.44
Bid (Size) 28.00 (2,700)
Ask (Size) 31.00 (500)
Prev. Close 27.66
Today's Range 27.80 - 31.00
52wk Range 16.64 - 31.00
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 8.1% below 52-week high
28.49
16.6452W Low 31.0052W High
1 Week 8.1% below 1-week high
26.691W 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 $28.49, 8.1% below its 52-week high. Over the past week it ranged between $26.69 and $31.00.

Past 12 Months
+5.4%
+10.4%
+40.3%
+54.4%
+7.7%
+18.6%
1W +$1.46
1M +$2.68
3M +$8.18
6M +$10.04
YTD +$2.03
1Y +$4.46

AMPH was +18.6% over the past year, +54.4% over six months, +7.7% year to date, +5.4% in the last week.

12 Months vs Market
AMPH
+18.6%
DIA
+9.0%
SPY
+9.6%
QQQ
+7.6%
IWM
+13.3%

Over the past 12 months AMPH returned +18.6% versus DIA (Dow) +9.0%, SPY (S&P 500) +9.6%, QQQ (Nasdaq 100) +7.6% and IWM (Russell 2000) +13.3%.

Volume & Liquidity 1.77× 3-mo avg
Today 826,255 3-mo avg 467.1K
1W
625.1K
1M
435.3K
3M
467.1K
6M
534.6K
YTD
513.0K
1Y
498.3K

AMPH most recently traded 826,255 shares against a 3-month average daily volume of 467.1K.

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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 28.49
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/06/26 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 1.37B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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