Does anyone know a web that provides consensus forecast for equity and fixed income indices (S&P500, ETOP300, IBEX, GSGLT6MO, etc.) about 12-month PER, EPS, expected return,...?

<t>Let's assume a portfolio composed of 4 funds, each of them follows an index with beta=1. How can I simulate these 4 indices behavior and get a forecasted 3 month serie for each of them? The idea is to use Monte Carlo simulation or scenario simulation to obtain those series and predict how the tot...