Multivariate Realized Stock Market Volatility Staff Working Paper 2007-20 Gregory Bauer, Keith Vorkink We present a new matrix-logarithm model of the realized covariance matrix of stock returns. The model uses latent factors which are functions of both lagged volatility and returns. Content Type(s): Staff research, Staff working papers Topic(s): Econometric and statistical methods, Financial markets JEL Code(s): C, C3, C32, C5, C53, G, G1, G14