Improved Risk Reporting with Factor-Based Diversification Measures
Improved Risk Reporting with Factor-Based Diversification Measures — February 2014
Appendices
Table 6: Time-Series Analysis of the Relationship Between the Performances of the S&P500 and its Diversification Measures (a) ENC Δ t Following Quarter Following Semester Following Year Following 2-Y Following 5-Y Following 10-Y
Coefficients
0.22
0.22
0.28
0.33
0.28
0.27
R-Squared
0.36%
0.70%
2.37%
6.88%
12.52%
22.13%
t-stat
3.2
4.47
8.28
14.3
19.32
25.84
p-value
0.14%
0.00%
0.00%
0.00%
0.00%
0.00%
(b) ENB
Δ t
Following Quarter
Following Semester
Following Year
Following 2-Y Following 5-Y Following 10-Y
Coefficients
0.39
0.30
0.21
0.25
0.33
0.42
R-Squared
0.86%
0.96%
0.99%
2.86%
11.02%
32.00%
t-stat
4.98
5.25
5.31
9.02
17.98
33.25
p-value 0.00% These two tables display the diagnostics of the linear regression between the annualised performance of the S&P500 computed on different periods and its ENC and ENB. Each diversification measure is computed weekly over the whole historical data period of the S&P500. Annualised performances of the S&P500 are calculated at a weekly frequency on each quarter, each semester, each year, each 2-year period, each 5-year period and each 10-year period immediately following the dates of computation of each diversification measure. 0.00% 0.00% 0.00% 0.00% 0.00%
Table 7: Descriptive Statistics of Asset Classes
(a) Risk and Performance Statistics
US Bonds
Global Bonds
US HY Bonds
US IL Bonds
US MBS
US Eq.
Ex-US Eq.
Global Eq.
Private Eq.
Real Est.
Commo.
Av. Ret. (%)
6.29 6.35 7.00 7.38 6.11
5.02 5.18 5.25 7.72 9.21 2.55
Volatility (%) 4.45 7.11 7.60 5.66 3.12 19.23 19.96 18.58 23.06 25.73 23.95 Sharpe Ratio 0.83 0.53 0.58 0.84 1.12 0.13 0.13 0.14 0.22 0.26 0.00 VaR5% (%) 0.98 1.47 1.31 1.13 0.65 4.27 4.21 3.84 5.30 4.95 5.42 VaR1% (%) 1.58 2.16 2.94 2.11 1.25 6.91 8.05 7.70 9.29 11.75 9.74
(b) Correlation in %
Commo.
US Bonds
Global Bonds
US HY Bonds
US IL Bonds
US MBS
US Eq.
Ex-US Eq.
Global Eq.
Private Eq.
Real Est.
US Bonds 100.00 56.76 11.31 71.39 79.29 -19.44 -15.81 -17.96 -22.87 -12.54 -7.68 Global Bonds 56.76 100.00 1.83 52.16 48.40 -12.57 13.61 1.28 -11.81 -4.03 12.11 US HY Bonds 11.31 1.83 100.00 14.82 7.73 46.49 52.59 53.17 47.67 43.41 24.04 US IL Bonds 71.39 52.16 14.82 100.00 56.86 -12.24 -2.48 -6.94 -13.56 -4.42 8.52 US MBS 79.29 48.40 7.73 56.86 100.00 -9.21 -5.40 -7.22 -15.23 -8.55 -6.33 US Eq. -19.44 -12.57 46.49 -12.24 -9.21 100.00 78.48 93.70 87.97 63.63 23.68 Ex-US Eq. -15.81 13.61 52.59 -2.48 -5.40 78.48 100.00 94.99 74.04 55.53 37.50 Global Eq. -17.96 1.28 53.17 -6.94 -7.22 93.70 94.99 100.00 85.34 62.42 33.15 Private Eq. -22.87 -11.81 47.67 -13.56 -15.23 87.97 74.04 85.34 100.00 71.52 27.87 Real Est. -12.54 -4.03 43.41 -4.42 -8.55 63.63 55.53 62.42 71.52 100.00 19.23 Commo. -7.68 12.11 24.04 8.52 -6.33 23.68 37.50 33.15 27.87 19.23 100.00 The top table displays various statistics on the asset classes that are used in the empirical analysis. The average return and volatility are annualised, while both VaRcomputations are done with weekly returns. The risk-free return for the Sharpe ratio computation is the US T-bill with a 3-month maturity. The bottom table displays correlations between each asset class. All these statistics are computed over a data set that uses 787 weekly returns from September 1997 to the end of September 2012.
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