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Using high-frequency data, we decompose the time-varying beta for stocks into beta for continuous systematic risk and beta for discontinuous systematic risk. Estimated discontinuous betas for S&P500 constituents between 2003 and 2011 generally exceed the corresponding continuous betas. We...
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The study adds an empirical outlook on the predicting power of using data from the future to predict future returns …. The crux of the traditional Capital Asset Pricing Model (CAPM) methodology is using historical data in the calculation of … beta formula. The covariance of the portfolio and market returns are assumed to remain constant in the time-varying beta …
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the capital asset pricing model (CAPM). Enhanced accuracy of expected asset-return, in turn, may lead to more accurate …
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