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VaR without correlations for portfolio of derivative securities

Barone-Adesi, Giovanni ; Giannopoulos, Kostas ; Vosper, Les

We propose filtering historical simulation by GARCH processes to model the future distribution of assets and swap values. Options’ price changes are computed by full reevaluation on the changing prices of underlying assets. Our methodology takes implicitly into account assets’ correlations without restricting their values over time or computing them explicitly. VaR values for portfolios of...