Statistikk › Opsjoner, shorts og posisjonering › Variansrisikopremie
The variance risk premium predicts the index one quarter ahead and no other horizon
Adjusted R squared forecasting quarterly S&P 500 excess returns, January 1990 to December 2007. t statistics 2.86, minus 1.97, insignificant and 1.78. Default spread, term spread and the relative risk-free rate are all insignificant and are not shown.
Implied variance minus realised variance forecasts S&P 500 excess returns at a quarterly horizon with an adjusted R squared of 6.82%, beating the price-earnings ratio. At a monthly horizon the same predictor is not significant.
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