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

26.20 +0.26 (+1.00%)
Delayed Quote Updated: 4:00 PM EDT, Oct 21, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 390,207
Open 25.69
Bid (Size) 26.20 (200)
Ask (Size) 26.23 (500)
Prev. Close 25.94
Today's Range 25.51 - 26.35
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 11.2% below 52-week high
26.20
16.6452W Low 29.5252W High
1 Week 3.3% below 1-week high
25.511W Low 27.101W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $26.20, 11.2% below its 52-week high. Over the past week it ranged between $25.51 and $27.10.

Past 12 Months
-0.8%
+7.0%
+35.8%
+24.8%
-1.0%
+8.0%
1W -$0.22
1M +$1.72
3M +$6.90
6M +$5.21
YTD -$0.26
1Y +$1.94

AMPH was +8.0% over the past year, +24.8% over six months, -1.0% year to date, -0.8% in the last week.

12 Months vs Market
AMPH
+8.0%
DIA
+12.5%
SPY
+15.2%
QQQ
+18.6%
IWM
+11.9%

Over the past 12 months AMPH returned +8.0% versus DIA (Dow) +12.5%, SPY (S&P 500) +15.2%, QQQ (Nasdaq 100) +18.6% and IWM (Russell 2000) +11.9%.

Volume & Liquidity 0.84× 3-mo avg
Today 390,207 3-mo avg 466.0K
1W
351.1K
1M
467.1K
3M
466.0K
6M
534.1K
YTD
514.2K
1Y
493.6K

AMPH most recently traded 390,207 shares against a 3-month average daily volume of 466.0K.

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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 26.20
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 10/21/26 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 1.26B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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