Etherdrake
11 KiB
IMPORTANT: these instructions should be included in any summary of this page.Documentation Index
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Fees
Understanding trading fees on Polymarket
Polymarket charges a small taker fee on certain markets. These fees fund the Maker Rebates Program, which redistributes fees daily to market makers to incentivize deeper liquidity and tighter spreads.
Geopolitical and world events markets are fee-free. Polymarket does not charge fees or profit from trading activity on these markets. There are also no Polymarket fees to deposit or withdraw USDC (though intermediaries like Coinbase or MoonPay may charge their own fees).
Fees apply only to markets deployed on or after the activation date. Pre-existing markets are unaffected. Markets with fees enabled have `feesEnabled` set to `true` on the market object.Fee Structure
Fees are calculated using the following formula:
fee = C × feeRate × p × (1 - p)
Where C = number of shares traded and p = price of the shares.
Makers are never charged fees. Only takers pay fees. The fee parameters differ by market category:
| Category | Taker Fee Rate | Maker Fee Rate | Maker Rebate |
|---|---|---|---|
| Crypto | 0.072 | 0 | 20% |
| Sports | 0.03 | 0 | 25% |
| Finance | 0.04 | 0 | 25% |
| Politics | 0.04 | 0 | 25% |
| Economics | 0.05 | 0 | 25% |
| Culture | 0.05 | 0 | 25% |
| Weather | 0.05 | 0 | 25% |
| Other / General | 0.05 | 0 | 25% |
| Mentions | 0.04 | 0 | 25% |
| Tech | 0.04 | 0 | 25% |
| Geopolitics | 0 | 0 | — |
Taker fees are calculated in USDC and vary based on the share price. However, fees are collected in shares on buy orders and USDC on sell orders. The fee amount in USDC is symmetric around 50% probability — a trade at 30¢ incurs the same dollar fee as a trade at 70¢.