Risk Assessment: 20240919 Howie

Profit and Loss

Descriptive Statistics

The in-sample test ran from 2010-02-01 to 2020-12-30. The portfolio achieved a daily return of 0.027% (t-statistic of 0.938) with a standard deviation of 1.497%. The annualized Sharpe ratio is 0.29. The largest daily loss was -17%. The fraction of daily returns more negative than three times the daily standard deviation was % and 46% all of trading days resulted in a negative realized return. The p-value for the null hypothesis that portfolio returns were normally distributed was 0 (JB test). The skewness and kurtosis of portfolio returns were -1.43 and 22.56. The return distribution fit a Skew Student-t distribution.

Value-at-Risk

The 5% and 1% daily Value-at-Risk (VaR) evaluated over the full in-sample period were -2.04% and -4.4%. The number of actual portfolio returns lower than the 1% VaR based on simulated data was [XX].

Expected Shortfall

The corresponding expected shortfall (ES) were -3.72% and -7.29%. The ES estimates reflect the average percentage loss if invested capital in the worst trading day out of 20 and 100. The average predicted ES based on simulated data was [XX].

Maximum Drawdown

The median MDD within a month [6]% while the 90th and worst outcomes were [15]% and [44]%. The corresponding

Conditinoal Volatility

ARIMA analysis

Portfolio Weights

Turnover

Descriptive Statistics by Month

mean tval sd skew kurt JBpvalue Month
0.181 1.289 2.060 0.182 5.382 0 Jan
-0.107 -0.717 2.220 -2.110 21.208 0 Feb
0.047 0.733 0.977 0.647 6.751 0 Mar
0.080 0.986 1.173 0.670 8.060 0 Apr
0.174 2.190 1.161 2.162 15.869 0 May
-0.003 -0.037 1.068 -0.102 4.840 0 Jun
0.044 0.608 1.140 0.302 5.697 0 Jul
-0.139 -1.377 1.576 -2.089 18.201 0 Aug
0.135 2.021 1.022 0.445 6.706 0 Sep
0.037 0.515 1.112 0.235 4.174 0 Oct
-0.019 -0.157 1.837 -3.047 33.108 0 Nov
-0.092 -0.681 1.947 -1.879 11.837 0 Dec