Polymarket Payout Calculator

Calculate your exact payout, net profit, and ROI for Polymarket contracts, including accurate taker fees and maker rebates. Fees apply to the U.S. version of Polymarket.

Order Type

Enter a value between 1 and 99 (e.g., 50 = 50¢)

Enter the number of contracts you want to trade

Position Cost

Contract Cost:$0.00
Taker Fee (—% of trade):$0.00
Total Invested:$0.00

If You're Right

Gross Payout:$0.00
Total Invested:−$0.00
Net Profit:+$0.00
ROI:+0.00%

If You're Wrong

Net Loss:−$0.00

Market Insights

Implied Probability:%
Break-even Price (incl. fees):¢
Gross Payout Per Contract:$1.00

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Access historical data & market results to get an edge on Mentions markets on Kalshi and other prediction markets.

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