Discover how beta measures stock volatility and market risk. Learn how it's calculated and applied in investing, helping you ...

Investors understand intuitively that some stocks are riskier than others. The capital asset pricing model attempts to quantify the common perception of risk using a term called beta. By understanding ...

The U.S. stock market is poised to be kept on edge next year as investors are caught between fear of missing out on the artificial-intelligence rally and concern that it’s a bubble just waiting to ...

Implied volatility shows how much movement the market is expecting in the future. Options with high levels of implied volatility suggest that investors in the underlying stocks are expecting a big ...

Friday's monthly options expiration is likely to exposeU.S. stocks to greater swings in either direction in coming days, ...