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How you can use mean reversion to drive investment returns

One of the challenges that many investors face is deciding what to invest in, how much and when. There are three methodologies that you can employ to help make this decision, but only two are supported by evidence.What is mean reversion?Mean reversion is a financial theory that suggests a period of above average returns is often followed by a period of below average returns, such that the average return over both periods is close to an asset class’ long term mean (or average) return.Many academics have studied mean reversion and concluded it is an observable and repeatable trend in financial…

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