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

24.94 -1.10 (-4.22%)
Delayed Quote Updated: 12:51 PM EDT, Oct 23, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 149,303
Open 25.91
Bid (Size) 24.91 (100)
Ask (Size) 24.96 (100)
Prev. Close 26.04
Today's Range 24.86 - 25.91
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 15.5% below 52-week high
24.94
16.6452W Low 29.5252W High
1 Week 6.3% 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 $24.94, 15.5% below its 52-week high. Over the past week it ranged between $25.51 and $26.61.

Past 12 Months
-3.6%
+2.5%
+32.2%
+18.7%
-5.7%
+1.7%
1W -$0.93
1M +$0.62
3M +$6.07
6M +$3.93
YTD -$1.52
1Y +$0.42

AMPH was +1.7% over the past year, +18.7% over six months, -5.7% year to date, -3.6% in the last week.

12 Months vs Market
AMPH
+1.7%
DIA
+12.2%
SPY
+14.1%
QQQ
+16.7%
IWM
+13.4%

Over the past 12 months AMPH returned +1.7% versus DIA (Dow) +12.2%, SPY (S&P 500) +14.1%, QQQ (Nasdaq 100) +16.7% and IWM (Russell 2000) +13.4%.

Volume & Liquidity 0.32× 3-mo avg
Today 149,303 3-mo avg 464.6K
1W
343.6K
1M
454.9K
3M
464.6K
6M
533.4K
YTD
513.2K
1Y
493.5K

AMPH most recently traded 149,303 shares against a 3-month average daily volume of 464.6K.

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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 24.94
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/23/26 12:51 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.20B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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