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

29.37 +0.50 (+1.73%)
Delayed Quote Updated: 4:00 PM EST, Nov 13, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 380,762
Open 29.05
Bid (Size) 29.35 (1,000)
Ask (Size) 29.39 (1,400)
Prev. Close 28.87
Today's Range 28.84 - 29.73
52wk Range 16.64 - 31.00
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 5.3% below 52-week high
29.37
16.6452W Low 31.0052W High
1 Week 5.3% below 1-week high
27.801W 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 $29.37, 5.3% below its 52-week high. Over the past week it ranged between $27.80 and $31.00.

Past 12 Months
+3.1%
+12.7%
+45.5%
+69.8%
+11.0%
+5.5%
1W +$0.88
1M +$3.32
3M +$9.19
6M +$12.07
YTD +$2.91
1Y +$1.54

AMPH was +5.5% over the past year, +69.8% over six months, +11.0% year to date, +3.1% in the last week.

12 Months vs Market
AMPH
+5.5%
DIA
+8.4%
SPY
+10.4%
QQQ
+9.5%
IWM
+13.9%

Over the past 12 months AMPH returned +5.5% versus DIA (Dow) +8.4%, SPY (S&P 500) +10.4%, QQQ (Nasdaq 100) +9.5% and IWM (Russell 2000) +13.9%.

Volume & Liquidity 0.82× 3-mo avg
Today 380,762 3-mo avg 465.2K
1W
533.4K
1M
446.9K
3M
465.2K
6M
517.0K
YTD
512.1K
1Y
495.1K

AMPH most recently traded 380,762 shares against a 3-month average daily volume of 465.2K.

More News

Read More

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 29.37
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/13/26 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 1.41B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the Privacy Policy and Terms Of Service.