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The Sortino ratio measures the risk-adjusted return of an investment asset, portfolio, or strategy. [1] It is a modification of the Sharpe ratio but penalizes only those returns falling below a user-specified target or required rate of return , while the Sharpe ratio penalizes both upside and downside volatility equally.
Sortino and Steven Satchell at Cambridge University co-authored the first book on PMPT. This was intended as a graduate seminar text in portfolio management. A more recent book by Sortino was written for practitioners. The first publication in a major journal was co-authored by Sortino and Dr. Robert van der Meer, then at Shell Oil Netherlands.
Download as PDF; Printable version; ... Sortino ratio; Omega ratio; Bias ratio; ... Excel Spreadsheets. Web Sites for Discerning Finance Students (Prof. John M ...
The upside-potential ratio is a measure of a return of an investment asset relative to the minimal acceptable return. The measurement allows a firm or individual to choose investments which have had relatively good upside performance, per unit of downside risk .
Downside risk was first modeled by Roy (1952), who assumed that an investor's goal was to minimize his/her risk. This mean-semivariance, or downside risk, model is also known as “safety-first” technique, and only looks at the lower standard deviations of expected returns which are the potential losses.
Sharpe ratio; Signal-to-noise ratio; Signal-to-noise statistic; Sortino ratio; Standard score; Standardized moment; Standardized mortality ratio; Strikeout-to-walk ratio; Studentization; Studentized range; Studentized residual; Survival rate
These downsides apply to all risk-adjusted return measures that are ratios (e.g., Sortino ratio, Treynor ratio, upside-potential ratio, etc.). M 2 has the enormous advantage that it is in units of percentage return, which is instantly interpretable by virtually all investors.
The Rachev ratio can be used in both ex-ante and ex-post analyses.. The 5% ETL and 5% ETR of a non-Gaussian return distribution. Although the most probable return is positive, the Rachev ratio is 0.7 < 1, which means that the excess loss is not balanced by the excess profit in the investment.