Options traders rely on a vast array of information concerning probability, risk, strategy components, calculations, and trading rules. Traders at all levels, as well as portfolio managers, must refer to numerous print and online sources, each source only providing part of the information they...

We study empirical mean-variance optimization when the portfolio weights are restricted to be direct functions of underlying stock characteristics such as value and momentum. The closed-form solution to the portfolio weights estimator shows that the portfolio problem in this case reduces to a...