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Based on the last 12 months of reports, through 30 June 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Amphastar Pharmaceuticals, Inc. (AMPH) is a company in the Health care sector; its shares trade on Nasdaq.
The price of Amphastar Pharmaceuticals, Inc. (AMPH) on November 12, 2026 is 28.86 $, +0.91 % on the day. Over 52 weeks the stock traded between 16.65 $ and 31.00 $; the price now sits 85 % of the way up that range. Over the past year the price changed by +6.26 %. The P/E ratio is 15.48, which is below the sector median (25.84). Market capitalization is 1.22 billion $, rank 111 among 384 stocks of the same industry with a known capitalization.
Amphastar Pharmaceuticals, Inc. trades on Nasdaq under the ticker AMPH. The company belongs to the Health care sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks AMPH has traded between 16.65 $ and 31.00 $. As of 12 November 2026 the price stood 85.09% of the way from the 52-week low to the high.
Over one year AMPH shares rose 3.02%; over six months they rose 65.72%. Volatility over 90 days is 32.65%. Dividends are not included: this is price change only, as of 12 November 2026.
AMPH trades at a price-to-earnings ratio of 15.5, below the sector median of 25.8. Price to sales is 1.7, below the sector median of 3.9. Price to book is 1.6, below the sector median of 2.4. Calculated from reports for the period ending 30 June 2026.
Amphastar Pharmaceuticals, Inc. reported revenue of 730M $ and net income of 79M $ over the last four quarters. Net margin is 10.76%. Revenue changed by +1.02% year over year. Earnings per share are $1.69. Market capitalisation is 1.2B $.
AMPH has a return on equity of 10.23%, above the sector median of −40.58%. Return on assets is 4.50%, above the sector median of −30.08%. Operating margin is 15.66%, above the sector median of −20.96%.