Robinhood Prediction Market Fee Calculator
Calculate per-trade fees for prediction market event contracts on Robinhood.
Enter a value between 0 and 100 (e.g., 50 = 50¢)
Enter the number of contracts you want to trade.
Fee Breakdown:
Fee Rules:
Contract Value: $1.00 per contract.
Robinhood Commission: Probability-weighted — 10% × Price × (1 − Price) × Contracts (Standard) or 5% × Price × (1 − Price) × Contracts (Gold). Rounded up to the nearest $0.01, capped at $0.01 per contract.
Exchange Fee: Up to $0.01 per contract, per trade.
Max Total Fee: $0.02 per contract, per trade (commission cap + exchange fee).
When fees apply: On every trade — both opening and closing positions, including contracts held to settlement.
Robinhood fee structures can vary by exchange and market. Always check Robinhood's event contracts fee details for the latest information.
Get an Edge on Prediction Markets
Access historical data & market results to get an edge on Mentions markets on Kalshi and other prediction markets.
