Sharpe Ratio
Known as risk premium
Measures risk adjusted return.
Actual Return - RF / Std Dev
Std deviation is systematic and unsystematic risk, so beta not needed.
IRR Notes
Time-weighted return
Dollar-weighted return
Time-weighted returns - does not reflect IRR. Calculated without regard to future cash flows. Performance of an investment over time.
Dollar-weighted returns - reflects IRR. Considers subsequent contributions and withdrawals.
Wilshire 5000
Broadest index
All equity securities with readily available price data.