The Sharpe Ratio, developed by Nobel laureate William F. Sharpe, is a key tool for evaluating mutual fund performance. It measures risk-adjusted returns, helping investors assess if the returns justify the risk taken. A higher Sharpe Ratio indicates better performance, while a lower ratio suggests poor risk-adjusted returns.
7 investing lessons from Jim Leitner for building the right market mindset
Leitner believes investors should remain open to new ideas and recognise that markets can challenge even experienced participants.
October 3, 2026