How it works
Two-way and three-way markets use a Beta or Dirichlet update; spreads use a precision-weighted average of two normal estimates. The weights decide how far the result moves from the price toward your estimate.
For information and education only, not betting advice. Results are only as good as the numbers you enter. Must be 21+ (18+ where permitted). Gambling problem? Call or text 1-800-GAMBLER.