AMPH Stock Summary and Trading Ideas (Amphastar Pharmaceuticals | NASDAQ:AMPH)

Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company focusing on developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, as well as insulin active pharmaceutical ingredient, or insulin API products. The company's finished products are used in hospital or urgent care clinical settings and are contracted and distributed through group purchasing organizations and drug wholesalers. The company has one reportable segment pharmaceutical products. Geographically the business presence of the firm is seen in the United States, China and France of which the U.S. accounts for the majority of the revenue.

Amphastar Pharmaceuticals trades on the NASDAQ stock market under the symbol AMPH.

As of January 23, 2026, AMPH stock price declined to $25.92 with 243,027 million shares trading.

AMPH has a beta of 0.79, meaning it tends to be less sensitive to market movements. AMPH has a correlation of 0.10 to the broad based SPY ETF.

AMPH has a market cap of $1.19 billion. This is considered a Small Cap stock.

Last quarter Amphastar Pharmaceuticals reported $192 million in Revenue and $.93 earnings per share. This beat revenue expectation by $7 million and exceeded earnings estimates by $.14.

In the last 3 years, AMPH traded as high as $67.66 and as low as $20.39.

The top ETF exchange traded funds that AMPH belongs to (by Net Assets): IJR, VTI, IWM, AVUV, PJP.

AMPH has underperformed the market in the last year with a price return of -28.8% while the SPY ETF gained +14.2%. However, in the short term, AMPH had mixed performance relative to the market. It has outperformed in the last 3 months, returning +4.9% vs +2.9% return in SPY. But in the last 2 weeks, AMPH shares have been beat by the market, returning -6.6% compared to an SPY return of -0.7%.

AMPH support price is $25.41 and resistance is $26.88 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that AMPH shares will trade within this expected range on the day.