We develop an intertemporal asset pricing model where cash flow news, discount rate news, and their second moments are priced by the market. This model generalizes the market return decomposition framework, showing that intertemporal considerations imply a decomposition of squared market returns...

We study the volume-volatility relation by splitting volume into the number of trades and the average trade size at individual and institutional level, and realized volatility into its continuous and jump components. We find that the number of trades is the most important variable driving...