Tools/Market Odds

03Prediction markets

Prediction Market Odds Calculator

Convert a contract price into implied probability, shares, maximum payout, and profit.

Transparent mathFormula and assumptions included
Interactive calculator
Inputs are processed locally
Implied probability42.0%
Maximum profit$138.10
Maximum payout$238.10
Market-implied chance42.0%
Contracts / shares238.0952
Decimal odds2.38
Maximum loss$100.00

iMethodology

How this result is calculated

Based on your inputs

Every result is calculated from the values shown on this page. No hidden market forecast or AI estimate is added.

Updates instantly

Change any input and the result updates immediately. Your inputs remain in your browser.

Assumptions are visible

Fees, return, yield, risk, and probability assumptions are shown as inputs instead of hidden in the result.

This calculator is for education and scenario analysis only. It does not account for taxes, slippage, liquidity, or every platform-specific fee.