Polymarket is set to introduce trading fees across nearly all market categories starting March 30, with crypto traders experiencing the highest rates. Under the updated system, crypto trades could reach fees of up to 1.8%, while sports markets will remain comparatively lower at 0.75%.
Currently, the platform charges fees only on crypto and sports-related contracts.
Crypto Markets See Largest Fee Increase
With the new rollout, fees will now apply to additional categories, including politics, finance, economics, culture, weather, and technology.
Rather than using a fixed commission, Polymarket applies a dynamic fee model based on probability. Fees are highest when an outcome is uncertain (around 50%) and decrease as the likelihood of an outcome becomes clearer.
Crypto markets will carry the steepest costs, increasing from about 1.56% to a peak of 1.8%. Sports markets remain the most affordable, rising from 0.44% to 0.75%. For example, a $50 sports trade at even odds will now incur a fee of $0.38, compared to $0.22 previously. Other categories will generally fall within a 1% to 1.56% range.
New Referral Incentives Introduced
In addition to the fee changes, Polymarket has launched a referral program for users who have reached at least $10,000 in trading volume.
Participants can earn 30% of the fees generated by users they directly refer, along with 10% from secondary referrals. These rewards apply for the first 180 days after a new user joins and are distributed daily at midnight UTC, with no cap on earnings.
The platform has also strengthened its market integrity policies across both its international operations and its U.S. platform, regulated by the CFTC. Updated rules now ban trading based on stolen or confidential information, unlawful tips, or by individuals who can influence event outcomes.
Users are now able to flag suspicious behavior through newly introduced market integrity reporting pages.
Overall, these updates move Polymarket closer to operating like a regulated exchange, as prediction markets continue to attract increased scrutiny and participation.
