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

26.04 UNCHANGED
Delayed Quote Updated: 4:00 PM EDT, Oct 22, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 0
Open 26.04
Bid (Size) 10.48 (100)
Ask (Size) 26.89 (200)
Prev. Close 26.04
Today's Range 26.04 - 26.04
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 11.8% below 52-week high
26.04
16.6452W Low 29.5252W High
1 Week 2.1% below 1-week high
25.511W Low 26.611W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.04, 11.8% below its 52-week high. Over the past week it ranged between $25.51 and $26.61.

Past 12 Months
+0.7%
+7.1%
+38.0%
+23.9%
-1.6%
+6.2%
1W +$0.17
1M +$1.72
3M +$7.17
6M +$5.03
YTD -$0.42
1Y +$1.52

AMPH was +6.2% over the past year, +23.9% over six months, -1.6% year to date, +0.7% in the last week.

12 Months vs Market
AMPH
+6.2%
DIA
+13.3%
SPY
+14.4%
QQQ
+16.3%
IWM
+13.7%

Over the past 12 months AMPH returned +6.2% versus DIA (Dow) +13.3%, SPY (S&P 500) +14.4%, QQQ (Nasdaq 100) +16.3% and IWM (Russell 2000) +13.7%.

Volume & Liquidity
1W
343.6K
1M
454.9K
3M
464.6K
6M
533.4K
YTD
513.2K
1Y
493.5K

AMPH's 3-month average daily volume is 464.6K.

More News

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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 26.04
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/22/26 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 1.25B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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