Convert odds, calculate returns and expected values, and compare the arithmetic of wagers and market prices.
Odds and Market Prices
Returns and Combinations
Value and Tracking
Separate Price, Probability and Settlement
Odds describe a payout price; their implied probability includes margin. Expected values require a separately entered probability, and combination or hedge calculations depend on matching settlement terms.
Related Planning Tools
The Kelly Criterion tool is shared with Investing and Trading. For a simple win-or-loss cash wager, its payoff ratio corresponds to decimal odds minus one. Its output depends on the probability and payoff assumptions you enter.