HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD PNL

You can even analyse the skewness and kurtosis of the period PnL by getting third and 4th times of $Y_t$ respectively. Presumably you may conclude that for two sequence with identical expectation and variance, you might favor the one particular with positive skew or reduce kurtosis, but perhaps not based on the self esteem of the industry see, and