Standard deviation, while common, inadequately captures investment risk due to its equal treatment of gains and losses and ...

Learn how using historical data, instead of standard deviation, offers a more accurate assessment of stock volatility and risk management strategies.

In response to my article, Is the Stock Market Too Concentrated?, which relied upon standard-deviation calculations to assess investment risk, a reader wrote: “My problem [with your argument] is ...

You may have heard people say that investing involves a tradeoff between risk vs. return. And that’s typically true. Investors usually need to take on greater risk to achieve higher returns. But what ...