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

You may also analyse the skewness and kurtosis with the period PnL by using 3rd and 4th times of $Y_t$ respectively. Presumably you may conclude that for 2 sequence with identical expectation and variance, you may like the just one with constructive skew or reduced kurtosis, but possibly not according to the self esteem of the market look at, and s