The (annualized) Sharpe ratio
Introduction to Portfolio Analysis in R
Kris Boudt
Professor, Free University Brussels & Amsterdam
Benchmarking performance
Benchmarking performance
Risk-return trade-off
Risk-return trade-off
Risk-return trade-off
Risk-return trade-off
Risk-return trade-off
Risk-return trade-off
Capital allocation line
Capital allocation line
Capital allocation line
Capital allocation line
The Sharpe ratio
The Sharpe ratio
The Sharpe ratio
The Sharpe ratio
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c(-0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c(-0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
mean(sample_returns)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c(-0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
mean.geometric(sample_returns)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c(-0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
StdDev(sample_returns)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c(-0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
(mean(sample_returns)-0.004)/StdDev(sample_returns)
Annualize monthly performance
- Arithmetric mean: monthly mean * 12
- Geometric mean, when $R_i$ are monthly returns:
- $[(1+R_1)\cdot(1+R_2)\cdot...\cdot(1+R_T)]^{12/T} -1$
- Volatility: monthly volatility * sqrt(12)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c( -0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c( -0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
Return.annualized(sample_returns, scale = 12, geometric = FALSE)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c( -0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
Return.annualized(sample_returns, scale = 12, geometric = TRUE)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c( -0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
Std.Dev.annualized(sample_returns, scale = 12)
Performance statistics in action
library(PerformanceAnalytics)
sample_returns <- c( -0.02, 0.00, 0.00, 0.06, 0.02, 0.03, -0.01, 0.04)
Return.annualized(sample_returns, scale = 12)/
Std.Dev.annualized(sample_returns, scale = 12)
