What does Sharpe ratio measure?
Excess return per unit of total risk (σ)
When is Sharpe ratio appropriate?
For total risk evaluation
What is M² measure?
Risk-adjusted return scaled to market risk
What does Treynor ratio measure?
Excess return per unit of beta
When is Treynor appropriate?
Well-diversified portfolios
What is Jensen’s alpha?
Excess return above CAPM expected return
What does positive alpha indicate?
Outperformance
What does negative alpha indicate?
Underperformance