How to Optimize a Portfolio for the Last 25 Years

You're better off not using a cap weighted refund, but choosing individual rets that complement the rest of what's in your portfolio. With these tools, it is often easy to over optimize portfolios. In many circumstances, you may be optimizing a portfolio for only a couple of decades. The period from the end of the great financial crisis to around 20 20 is very unrepresentative of what usually goes on in financial markets,. and equities usually just don't perform as well as they did in that particular period.