Volatility is important for position sizing, determining risk, calculating stops and profit-targets, and rebalancing portfolios. Average true range is a useful measure for position sizing in futures ...

Forbes contributors publish independent expert analyses and insights. Portfolio diversification represents one of the fundamental principles of investment management. By strategically allocating ...

The Beta coefficient measures the behavior of a security relative to the market: a Beta greater than one indicates the investment is more volatile than the market, and vice versa. Standard Deviation, ...