Calculate how much your fees will be trading Underdog Predicts prediction markets based on the contract price and number of contracts.
Enter a value between 1 and 99 (e.g., 50 = 50¢)
Enter the number of contracts you want to trade.
Contract Value: $1.00 per contract.
Exchange Fee: Flat $0.02 per contract.
When it applies: On both opening and closing a position. Each leg of a round-trip trade adds $0.02 per contract.
Fees can change. Check Underdog Predicts' official picks overview for the latest information.
Access historical data & market results to get an edge on Mentions markets on Kalshi and other prediction markets.

Trade $10, Get $20 Bonus
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