Understanding Polymarket Fees

How Polymarket calculates taker fees on crypto and sports markets, and how they fund the maker rebates program.

Polymarket Fee Estimator

Taker fees per the official fee documentation. Formula: C × P × 0.25 × (P × (1−P))2.

PriceFee (USDC)Effective RateTrade Value
$0.01$0.00000.00%$1.00
$0.05$0.00280.06%$5.00
$0.10$0.02030.20%$10.00
$0.15$0.06100.41%$15.00
$0.20$0.12800.64%$20.00
$0.25$0.21970.88%$25.00
$0.30$0.33081.10%$30.00
$0.35$0.45291.29%$35.00
$0.40$0.57601.44%$40.00
$0.45$0.68911.53%$45.00
$0.50$0.78131.56%$50.00
$0.55$0.84231.53%$55.00
$0.60$0.86401.44%$60.00
$0.65$0.84101.29%$65.00
$0.70$0.77181.10%$70.00
$0.75$0.65920.88%$75.00
$0.80$0.51200.64%$80.00
$0.85$0.34540.41%$85.00
$0.90$0.18230.20%$90.00
$0.95$0.05360.06%$95.00
$0.99$0.00240.00%$99.00