You can even analyse the skewness and kurtosis with the period PnL by having 3rd and 4th moments of $Y_t$ respectively. Presumably you may conclude that for 2 collection with similar expectation and variance, you can desire the a person with optimistic skew or decrease kurtosis, but it's possible not https://griffinyfkpu.bcbloggers.com/33278082/not-known-factual-statements-about-pnl