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

29.36 +0.49 (+1.71%)
Delayed Quote Updated: 3:13 PM EST, Nov 13, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 196,310
Open 29.05
Bid (Size) 29.32 (200)
Ask (Size) 29.41 (300)
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
29.36
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 $29.36, 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%
+69.7%
+11.0%
+5.5%
1W +$0.88
1M +$3.31
3M +$9.18
6M +$12.06
YTD +$2.90
1Y +$1.54

AMPH was +5.5% over the past year, +69.7% over six months, +11.0% year to date, +3.1% in the last week.

12 Months vs Market
AMPH
+5.5%
DIA
+8.3%
SPY
+10.3%
QQQ
+9.5%
IWM
+13.9%

Over the past 12 months AMPH returned +5.5% versus DIA (Dow) +8.3%, SPY (S&P 500) +10.3%, QQQ (Nasdaq 100) +9.5% and IWM (Russell 2000) +13.9%.

Volume & Liquidity 0.42× 3-mo avg
Today 196,310 3-mo avg 466.5K
1W
563.9K
1M
449.8K
3M
466.5K
6M
518.1K
YTD
512.7K
1Y
495.6K

AMPH most recently traded 196,310 shares against a 3-month average daily volume of 466.5K.

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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 29.36
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/13/26 03:13 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.
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