NASDAQ AMGN opened at $273.08 on Wednesday. The firm has a market cap of $147.02 billion, a price-to-earnings ratio of 22.33, a price-to-earnings-growth ratio of 2.38 and a beta of 0.49. The company has a quick ratio of 0.98, a current ratio of 1.31 and a debt-to-equity ratio of 7.24. The business has a 50-day moving average price of $291.69 and a 200-day moving average price of $291.20. Amgen Inc. has a twelve month low of $253.30 and a twelve month high of $339.17.