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Model risk of risk models

87943382 / TELEPHONE & DATA SYSTEMS INC


1987-10-19 to 1988-01-19
Non-overlapping, 99% VaR Non-overlapping, 99% ES 10-day overlapping, 99% VaR 10-day overlapping, 99% ES Non-overlapping, 97.5% VaR Non-overlapping, 97.5% ES 10-day overlapping, 97.5% VaR 10-day overlapping, 97.5% ES
obs 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00
min 1.37 1.63 1.40 1.90 1.52 1.42 1.86 1.60
max 6.74 7.61 9.42 11.17 6.38 6.61 9.42 9.42
mean 2.20 2.48 3.70 4.14 2.34 2.21 4.17 3.69
st.dev. 0.92 1.05 1.93 2.06 0.85 0.90 1.93 1.89
Q5% 1.46 1.73 1.81 2.44 1.61 1.50 2.06 1.86
Q50% 1.92 2.16 3.10 3.30 2.05 1.93 3.46 3.10
Q95% 3.74 4.39 7.12 7.56 3.73 3.82 7.81 7.55


1990-07-14 to 1991-03-14
Non-overlapping, 99% VaR Non-overlapping, 99% ES 10-day overlapping, 99% VaR 10-day overlapping, 99% ES Non-overlapping, 97.5% VaR Non-overlapping, 97.5% ES 10-day overlapping, 97.5% VaR 10-day overlapping, 97.5% ES
obs 169.00 169.00 169.00 169.00 169.00 169.00 169.00 169.00
min 1.67 2.20 1.19 1.87 1.46 1.82 1.18 1.40
max 8.87 11.65 8.70 11.33 8.05 9.70 8.45 9.43
mean 2.45 3.17 2.36 3.42 2.18 2.64 2.32 2.62
st.dev. 0.97 1.33 1.26 1.78 0.87 1.08 1.20 1.40
Q5% 1.82 2.34 1.23 1.98 1.59 1.96 1.26 1.43
Q50% 2.17 2.76 1.97 2.84 1.94 2.30 1.98 2.14
Q95% 3.85 5.04 4.03 6.04 3.48 4.18 4.03 4.42


1974-01-01 to 2012-12-31
Non-overlapping, 99% VaR Non-overlapping, 99% ES 10-day overlapping, 99% VaR 10-day overlapping, 99% ES Non-overlapping, 97.5% VaR Non-overlapping, 97.5% ES 10-day overlapping, 97.5% VaR 10-day overlapping, 97.5% ES
obs 3148.00 3148.00 3139.00 3139.00 3148.00 3148.00 3139.00 3139.00
min 1.27 1.42 1.08 1.07 1.20 1.31 1.06 1.05
max 8.87 11.65 11.68 18.35 8.05 9.70 9.65 13.86
mean 1.96 2.39 2.27 2.93 1.76 2.07 2.21 2.43
st.dev. 0.53 0.73 0.87 1.66 0.46 0.58 0.82 1.02
Q5% 1.43 1.63 1.32 1.35 1.32 1.48 1.32 1.33
Q50% 1.86 2.25 2.11 2.47 1.66 1.97 2.05 2.21
Q95% 2.89 3.70 3.67 6.59 2.58 3.12 3.34 4.43