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

26.95 +0.62 (+2.35%)
Delayed Quote Updated: 3:35 PM EDT, Oct 29, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 235,726
Open 26.84
Bid (Size) 26.93 (900)
Ask (Size) 26.99 (400)
Prev. Close 26.33
Today's Range 26.45 - 26.96
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 8.7% below 52-week high
26.95
16.6452W Low 29.5252W High
1 Week
24.621W Low 26.501W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.95, 8.7% below its 52-week high. Over the past week it ranged between $24.62 and $26.50.

Past 12 Months
+3.5%
-1.6%
+31.0%
+24.6%
+1.9%
+11.5%
1W +$0.91
1M -$0.44
3M +$6.37
6M +$5.32
YTD +$0.49
1Y +$2.77

AMPH was +11.5% over the past year, +24.6% over six months, +1.9% year to date, +3.5% in the last week.

12 Months vs Market
AMPH
+11.5%
DIA
+9.4%
SPY
+11.8%
QQQ
+12.8%
IWM
+13.9%

Over the past 12 months AMPH returned +11.5% versus DIA (Dow) +9.4%, SPY (S&P 500) +11.8%, QQQ (Nasdaq 100) +12.8% and IWM (Russell 2000) +13.9%.

Volume & Liquidity 0.51× 3-mo avg
Today 235,726 3-mo avg 459.3K
1W
348.9K
1M
431.0K
3M
459.3K
6M
534.1K
YTD
510.2K
1Y
493.5K

AMPH most recently traded 235,726 shares against a 3-month average daily volume of 459.3K.

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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 26.95
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/29/26 03:35 PM ET
What is the market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock?
The market capitalization of Amphastar Pharmaceuticals, Inc. - Common Stock is 1.30B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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