EV

(Expected Value)

math

The average profit/loss of a play over infinite repetitions.

+EV plays make money long-term, -EV plays lose. Variance dictates how long 'long term' actually feels.

Variance simulator

See also

Your statistical share of the pot, expressed as a winning probability.

Pot odds adjusted for expected future bets if you hit your draw.

Cards remaining in the deck that improve your hand to a winner.

The ratio of the current pot to the cost of calling.