Measuring downside risk - realised semivariance

We propose a new measure of risk, based entirely on downward moves measured using high frequency data. Realised semivariances are shown to have important predictive qualities for future market volatility. The theory of these new measures is spelt out, drawing on some new results from probability t...

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Autors principals: Shephard, N, Kinnebrock, S, Barndorff-Neilsen, O
Format: Working paper
Publicat: University of Oxford 2008