Understanding Polymarket Fees
How Polymarket calculates taker fees on crypto and sports markets, and how they fund the maker rebates program.
OverviewCrypto MarketsSports MarketsFee EstimatorFee Schedule (March 30)Fee Schedule (March 31, corrected)Fee Schedule (April 1)
Taker Fees for 100 Shares
Fee in USDC and effective fee as % of trade cost at each share price from $0.01 to $0.99
Capitola LabsFee per Dollar Invested
Fee for a $100 market order at each share price from $0.01 to $0.99
$
Capitola LabsSports markets (NCAAB, Serie A) use exponent 1 and rate 0.0175 — a gentler parabola similar to Kalshi's default schedule. The maximum effective rate is 0.44% at P = $0.50.
The per-dollar chart shows fees for a market order of the chosen size, where the number of shares varies with price.