Variance is one of my favourite subjects.

Every single card dealt in every hand is subject to variance, because it is an random event. Using software like PT4, we can look at Cwon all in adj and our luck bell curve and say we are lucky or unlucky but these are really only tiny aspects of your total variance which cannot be measured. However, we can calculate the likelihood of how far we are away from our actual/real winrate, which over large sample sizes is likely to be pretty close to our winrate we see in PT4.

We can still be really unlucky or lucky over 150K hands but the vast majority of the population (approx 95%) will be between slightly unlucky and slightly lucky.

As the number of hands we play tends towards infinity then variance tends towards zero.

In conclusion, in Poker, we shouldn't dwell on how lucky or unlucky we are as we cannot control it and we cannot measure it.