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

28.92 -0.14 (-0.48%)
Delayed Quote Updated: 12:39 PM EST, Nov 11, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 170,419
Open 28.87
Bid (Size) 28.93 (300)
Ask (Size) 28.99 (300)
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 6.7% below 52-week high
28.92
16.6452W Low 31.0052W High
1 Week 6.7% 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 $28.92, 6.7% below its 52-week high. Over the past week it ranged between $27.09 and $31.00.

Past 12 Months
+3.2%
+8.1%
+41.6%
+65.3%
+9.3%
+10.7%
1W +$0.90
1M +$2.16
3M +$8.50
6M +$11.42
YTD +$2.46
1Y +$2.80

AMPH was +10.7% over the past year, +65.3% over six months, +9.3% year to date, +3.2% in the last week.

12 Months vs Market
AMPH
+10.7%
DIA
+10.4%
SPY
+11.7%
QQQ
+11.4%
IWM
+16.1%

Over the past 12 months AMPH returned +10.7% versus DIA (Dow) +10.4%, SPY (S&P 500) +11.7%, QQQ (Nasdaq 100) +11.4% and IWM (Russell 2000) +16.1%.

Volume & Liquidity 0.36× 3-mo avg
Today 170,419 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 170,419 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 28.92
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/11/26 12:39 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.39B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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