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Fees

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Fees

Probable charges trading fees to keep markets liquid, fair, and reliable — especially when prices are uncertain. Fees are not just a cost; they help balance the market, reduce noise, and reward traders who act with conviction.

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Key Notes

  • Only takers pay fees. Makers trade free. Providing liquidity on Probable is completely fee-free.

  • Taker fees range from 0.01% up to 1.75%, depending on market price

  • Fees are highest when market trades at 50% probability

  • Fees decrease as the price moves toward 0% probability and 100% probability

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How to check my fees?

  • Your estimated fee is shown directly in the order preview before you confirm a trade.

  • Fees update in real time based on price and order type.

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Price Curve

  • Trades at extreme probabilities (near 0% or 100%): Lower fees due to reduced uncertainty

  • Trades at equilibrium (50% probability): Higher fees reflecting maximum uncertainty and peak activity

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Settlement & Gas

  • All fees are either charged in the settlement asset (e.g. USDT) or the CTF token of the market

  • Probable covers gas costs for trade execution and settlement

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