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

Volume	390,202
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

Intraday 1 Week 1 Month 3 Month 1 Year 3 Year 5 Year

Top News

More News

A Look Back at Generic Pharmaceuticals Stocks’ Q2 Earnings: Viatris (NASDAQ:VTRS) Vs The Rest Of The Pack

October 20, 2026

The end of the earnings season is always a good time to take a step back and see who shined (and who didn’t). Let’s take a look at how generic pharmaceutical...

Via StockStory

1 Safe-and-Steady Stock to Research Further and 2 Facing Challenges

October 08, 2026

Stability is great, but low-volatility stocks may struggle to deliver market-beating returns over time as they sometimes underperform during bull markets. Fi...

Via StockStory

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

25.521W 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 $25.52 and $27.10.

Past 12 Months

+0.5%

+7.0%

+33.7%

+23.5%

-1.0%

+10.4%

1W +$0.12

1M +$1.72

3M +$6.61

6M +$4.99

YTD -$0.26

1Y +$2.47

AMPH was +10.4% over the past year, +23.5% over six months, -1.0% year to date, +0.5% in the last week.

12 Months vs Market

AMPH

+10.4%

DIA

+13.0%

SPY

+15.2%

QQQ

+18.6%

IWM

+11.4%

Over the past 12 months AMPH returned +10.4% versus DIA (Dow) +13.0%, SPY (S&P 500) +15.2%, QQQ (Nasdaq 100) +18.6% and IWM (Russell 2000) +11.4%.

Volume & Liquidity 0.83× 3-mo avg

Today 390,202 3-mo avg 469.5K

346.0K

470.6K

469.5K

536.4K

YTD

514.8K

493.1K

AMPH most recently traded 390,202 shares against a 3-month average daily volume of 469.5K.

More News

3 Stocks Under $50 We Think Twice About

October 01, 2026

Via StockStory

3 Reasons to Avoid AMPH and 1 Stock to Buy Instead

September 24, 2026

Via StockStory

Amphastar Pharmaceuticals (NASDAQ:AMPH) Stands Out as a Quality Investing Candidate ↗

August 15, 2026

Via Chartmill

Amphastar Pharmaceuticals (NASDAQ:AMPH) Beats Q2 Earnings Estimates, Shares Rise After Hours ↗

August 06, 2026

Via Chartmill

Amphastar Pharmaceuticals (NASDAQ:AMPH) Screens as a High-Quality Stock with Deep Value Appeal ↗

July 18, 2026

Via Chartmill

3 Russell 2000 Stocks We Find Risky

September 21, 2026

Via StockStory

3 Small-Cap Stocks with Warning Signs

September 18, 2026

Via StockStory

Amphastar Pharmaceuticals (NASDAQ:AMPH): Strongest Q2 Results from the Generic Pharmaceuticals Group

September 16, 2026

Via StockStory

3 Healthcare Stocks We Keep Off Our Radar

September 01, 2026

Via StockStory

1 Cash-Producing Stock on Our Buy List and 2 We Question

August 27, 2026

Via StockStory

Amphastar (AMPH) Q2 2026 Earnings Call Transcript ↗

August 13, 2026

Via The Motley Fool

The Top 5 Analyst Questions From Amphastar Pharmaceuticals’s Q2 Earnings Call

August 13, 2026

Via StockStory

AMPH Q2 Deep Dive: Portfolio Expansion and Pipeline Progress Drive Results

August 07, 2026

Via StockStory

Amphastar Pharmaceuticals Q2 Earnings Call Highlights ↗

August 06, 2026

Via MarketBeat

Amphastar Pharmaceuticals (NASDAQ:AMPH) Posts Better-Than-Expected Sales In Q2 CY2026

August 06, 2026

Via StockStory

What To Expect From Amphastar Pharmaceuticals’s (AMPH) Q2 Earnings

August 04, 2026

Via StockStory

1 Value Stock to Own for Decades and 2 Facing Challenges

August 03, 2026

Via StockStory

1 Profitable Stock with Impressive Fundamentals and 2 Facing Headwinds

July 28, 2026

Via StockStory

3 Reasons AMPH is Risky and 1 Stock to Buy Instead

July 28, 2026

Via StockStory

3 Stocks Under $50 We Keep Off Our Radar

July 22, 2026

Via StockStory

1 of Wall Street’s Favorite Stocks to Research Further and 2 Facing Challenges

July 10, 2026

Via StockStory

1 Healthcare Stock to Consider Right Now and 2 We Brush Off

June 12, 2026

Via StockStory

Amphastar Pharmaceuticals Pivots to Proprietary Drugs, Biosimilars for Growth ↗

June 10, 2026

Via MarketBeat

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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