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

27.12 +0.09 (+0.33%)
Delayed Quote Updated: 4:00 PM EST, Nov 3, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 545,676
Open 27.04
Bid (Size) 24.01 (100)
Ask (Size) 27.12 (200)
Prev. Close 27.03
Today's Range 26.84 - 27.39
52wk Range 16.64 - 29.52
Shares Outstanding 48,081,433
Dividend Yield N/A

Performance

52-Week Range 8.1% below 52-week high
27.12
16.6452W Low 29.5252W High
1 Week 2.4% below 1-week high
25.291W Low 27.801W High

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) traded between $16.64 and $29.52 over the past 52 weeks and last traded at $27.12, 8.1% below its 52-week high. Over the past week it ranged between $25.29 and $27.80.

Past 12 Months
+6.1%
+6.9%
+34.1%
+19.3%
+2.5%
+7.2%
1W +$1.55
1M +$1.75
3M +$6.90
6M +$4.38
YTD +$0.66
1Y +$1.82

AMPH was +7.2% over the past year, +19.3% over six months, +2.5% year to date, +6.1% in the last week.

12 Months vs Market
AMPH
+7.2%
DIA
+9.2%
SPY
+10.4%
QQQ
+8.4%
IWM
+14.0%

Over the past 12 months AMPH returned +7.2% versus DIA (Dow) +9.2%, SPY (S&P 500) +10.4%, QQQ (Nasdaq 100) +8.4% and IWM (Russell 2000) +14.0%.

Volume & Liquidity 1.17× 3-mo avg
Today 545,676 3-mo avg 466.8K
1W
451.0K
1M
411.9K
3M
466.8K
6M
538.0K
YTD
510.2K
1Y
495.4K

AMPH most recently traded 545,676 shares against a 3-month average daily volume of 466.8K.

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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 27.12
When was Amphastar Pharmaceuticals, Inc. - Common Stock last traded?
The last trade of Amphastar Pharmaceuticals, Inc. - Common Stock was at 11/03/26 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 1.30B
How many shares of Amphastar Pharmaceuticals, Inc. - Common Stock are outstanding?
Amphastar Pharmaceuticals, Inc. - Common Stock has 1B shares outstanding.
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