Polymarket Expands Fee Mechanism to Sports Markets, Will Charge for NCAA and Serie A Events Starting February 18

Odaily News: Rodrigo, an official from Polymarket, announced in Discord that the platform will extend its fee mechanism to the college basketball (NCAA) and Serie A markets. The fee structure is the same as that of the "15-minute cryptocurrency up/down markets," meaning the taker pays the fee while the maker receives a rebate, but the coefficients are different — the fee rate is 0.0175, the exponent is 1, and the maker rebate is 25%, resulting in overall lower fees.

Starting from 00:00 UTC on Wednesday, February 18, 2026, all newly created events related to NCAAB and Serie A after this time will be subject to the new fee mechanism. Existing events will not be affected. The first rebate distribution will occur at 00:00 UTC on February 19.