I'm really glad these points are being pushed in this thread--it is almost impossible to tune a portfolio for performance without knowing something the market d

I'm really glad these points are being pushed in this thread--it is almost impossible to tune a portfolio for performance without knowing something the market doesn't (data, computing power, information). That's why I only ever tune my portfolio for the level of risk that I can tolerate. Because that's pretty much the only thing you _can_ tune for.