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// LEARN · TOOLS · EXPECTED VALUE

// TOOL

EXPECTED VALUE CALCULATOR

Estimate the expected value of a bet given the odds offered and your fair-probability estimate. The number that decides whether a bet is worth placing.

Learn/Tools/Expected value

Expected Value

// WB://TOOLS/EXPECTED-VALUE

Result

Expected value$15.50
EV % of stake+15.50%
Edge over market+7.38%
Breakeven prob47.62%
Profit if win$110.00
Loss if lose-$100.00

Positive expected value means the bet has long-run positive profit given your probability estimate. Edge over market is the gap between your estimate and the price's implied probability.