[quote=scaredyclassic]in spite of the fact that every prospectus warns you that past performance does not predict future results, we all kinda believe that past performance predicts future results and the prospectus is just saying that cause the dumb old stodgy SEC makes them.[/quote]
You sort of have to go by past performance. It might not match but that is the best guess. If not, my planning on getting 9 percent returns and being able to retire early is a bad decision.