Tool

Prediction market trade cost calculator

Estimate a prediction-market trade's contract cost plus a fee rate you enter. Check venue fees, spread, and liquidity before acting.

Enter the fee rate disclosed by your venue. Do not assume a zero-fee calculation is a live execution quote.

Prediction market trade cost calculator

Estimate contract cost plus a fee rate you enter. Check live venue fees, spread, and depth; this is planning math, not a quote.

Contract cost
$12.60
Estimated fee
$0.00
Estimated total
$12.60

What this includes

Contract price times quantity, plus the fee percentage you enter. It excludes spread, slippage, partial fills, taxes, and any charge not represented by that fee rate.

Also use the prediction-market odds and payout calculator to review potential payout.

Still have a question?

Contact support and include enough detail for us to investigate safely.

support@hbfmarket.com