Tool

Prediction market fee calculator

Estimate how a simple fee rate can affect a prediction market order. Platform rules differ, so always verify the current schedule.

Estimate fee impact

Enter an order size and fee rate.

What fees miss

Explicit fees are only one part of cost. Spreads, funding, wallet costs, withdrawal rules, and market liquidity can matter more than the headline rate.

ForecastIndex comparison pages will separate direct fees from practical trading friction.

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Track platform fee updates, fee changes, and platform comparisons. No trade calls, just market context.