Prediction Market Payout & Fee Calculator
To get started, select a prediction market app or choose custom to enter fees manually. Then, enter your average contract price and number of contracts purchased to see your payout, fees, and ROI.
Platform
Order Type
Non-futures markets have no maker fee (0%). Futures markets do charge a maker fee, but this calculator assumes 0% for Maker orders.
Enter a value between 0 and 100 (e.g., 50 = 50¢)
Enter the number of contracts you want to trade
Position Cost
Contract Cost:$0.00
Kalshi Taker Fee (—% of contract value):$0.00
Total Invested:$0.00
If You're Right
Gross Payout:$0.00
Total Invested:−$0.00
Net Profit:+$0.00
ROI:+0%
If You're Wrong
Net Loss:-$0.00
Market Insights
Implied Probability:—
Break-even Price (incl. fees):—¢
Gross Payout Per Contract:$1.00
Get an Edge on Prediction Markets
Access historical data & market results to get an edge on Mentions markets on Kalshi and other prediction markets.
