Denominator of popularly stated WR/EV
 

Earlier this weekend, I was talking with a non-gambling friend about win rates and EV, and I got stuck on the issue of the denomiator fo the EV numbers we all have memorized. I assume ethat they are "per hand, on average" because that is the only fundamental unit that seems to make sense. However, this would weigh "# of hands played" (to attain, e.g., the targeta wager rate for a casino bonus) far more heavily than many of the analyses I've read -- exponentially, in fact!

I don't play casino games, so I never thought about it. Am I missing something, or have I read flawed BW analyses?

Re: Denominator of popularly stated WR/EV
 

Win rates are usually stated per 100 hands or per hour, but that's just to make the units convenient. Fundamentally, it's per hand.

Expected value is usually an intrahand snapshot, what you will earn on average by the end of the hand. It can also be used to mean a projected future win rate, in which case it's measured per 100 hands or per hour.