The Holy Grail of investing is high returns with low risk. When a fund or index delivers a return of say 10% and volatility (used as a measure of risk) of 10%, analysts say it has a 'Sharpe Ratio' of 1.0 (ie return/risk). This 'risk-adjusted return' rarely averages over 1.0, and 0.5 is considered a good result. Yet according to Bloomberg, in the 100 months to June 2017, the S&P500 index delivered a Sharpe Ratio of 1.4. A stellar result.
Editorial | Edition 212, 28 Jul 2017