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

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 (7%):$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.