Betcalc
Affiliates, Freespin Values, Game & Payment Categories — all in one place.
EV = (p × b) − (1−p)
ROI = (profit / stake) × 100
Kelly = (bp − q) / b
P(A∪B) = P(A)+P(B)−P(A∩B)
Odds = p / (1−p)
CLV = market_odds / closing_odds