stocks to these risk factors and their explained variation is time-varying. The four continuous factors carry an intraday … risk premium that reverses overnight …

decompositions, derives a network risk model for a portfolio of assets. As a normalized measure of the sum of variance contributions … deriving the network risk model, the portfolio covariance matrix is decomposed to obtain the network-driven component of the … both the variance and covariance decompositions. In a third step, using quantile regressions, the proposed network risk …