Polymarket's New Fee Policy: A Good Opportunity to Increase Revenue or a Liquidity Trap?

Polymarket will implement a buyer’s fee (taker fee) across most market categories on March 30, 2026, expanding the fee structure from the current cryptocurrency and sports markets.
Based on on-chain data from Dune Analytics and the fee parameters disclosed by Polymarket, we estimate that at the current trading volume (approximately $160 million traded daily), the platform’s total daily trading fee revenue is about $1.2 million.
After deducting the rebate for market makers and referral rewards, the protocol’s daily net revenue is approximately $573,000, or about $209 million per year.
Initial data from the implementation of trading fees in the cryptocurrency and sports markets indicates that the impact of trading fees on trading volume is generally negligible: trading volume in the sports market did not decrease, and the cryptocurrency market only saw a slight decline, within the range of normal fluctuations.

Multifactor Market Pricing Structure Mechanism
Polymarket employs a flexible pricing model, charging fees directly to consumers.
Market makers (those who trade by providing liquidity through placing orders) do not have to pay fees and can even receive refunds; Takers (traders who actively execute existing orders) must pay a commission fee, which varies dynamically depending on the implied probability of the asset being traded.
The fee rate formula is:
Trading Fee = Number of Shares × Price × Fee Rate × (Price × (1 − Price))^Index
Price p, ranging from 0 to 1, represents the implied probability of the event occurring.
This design creates a bell-shaped fee curve: fees peak at a probability of 50% (the highest level of uncertainty) and taper off to 0 at both extremes. A trade at a price of 0.95 (95% probability) has negligible fees, while a trade at a price of 0.50 has the highest fees. Markets related to geopolitical events and global events remain completely fee-free.
After the official launch on March 30, the maximum fees in effect for each category are as follows:
Cryptocurrency: 1.80%
Sports: 0.75%
Interest Rates: 1.00%
Politics: 1.00%
Economics: 1.50%
Culture: 1.25%
Weather: 1.25%
Technology: 1.00%
Other/Hot Topics: 1.25%–1.56%
Geopolitics: 0%

Fee Distribution
The trading fees collected are divided into three parts:
Commission for market makers: allocated by category ratio, 20% for cryptocurrency, 25% for most categories, and 50% for financial categories, paid daily based on the trading volume of the market maker; Referral rewards: The direct referrer receives 30% of the total commission for each transaction; the indirect referrer receives 10%. Retained agreement portion: The remainder belongs to the platform.
Theoretically, the protocol’s base customer retention rate is about 47%, but in practice, not all transactions are generated through referral links, so the protocol’s actual percentage will be higher.

Initial Performance: The Impact of Trading Fees on Trading Volume
Trading fees were first implemented in the cryptocurrency market on January 5, 2026, initially only applying to 15-minute contracts, and were then expanded to include all trading cycles in the cryptocurrency market on March 6.
Trading fees for the sports market were officially launched on February 18. Based on this, we have accumulated cryptocurrency market data for about two months and sports market data for one month, which can be used to assess the impact of trading fees on trading volume.
The cryptocurrency market saw a short-term spike in trading volume of up to $100-120 million per day during the fee expansion in early March, before declining back to a range of $73-100 million. While this decline is understandable, it still falls within the normal range, and data from only 18 days cannot be directly attributed to the trading fees.
However, the sports betting market was hardly affected. Instead of decreasing, trading volume increased after the implementation of trading fees, rising from an average of $100-150 million per day to $150-250 million per day.
The core reason for the difference lies in the fee structure: cryptocurrency trading fees are approximately 3.5 times higher than sports betting fees. The fees for most new fees added on March 30 fall between these two levels and are expected to have minimal impact on trading volume.
Meanwhile, the rebate mechanism for market makers creates a structural incentive that effectively compensates for small liquidity shortages; now, market makers can earn revenue by providing liquidity rather than offering it for free.
Revenue Estimates
Calculation Method
We used Dune Analytics to query Polymarket contract transaction data on the Polygon blockchain over the past 7 days, calculating the average volume-weighted fee rate and comparing it to the theoretical peak at a 50% probability point. Since different categories use different indices, resulting in different curve shapes, we calculated each index separately.
Index 1 by category (Cryptocurrency, Sports, Politics, Finance, Culture, Technology): Average trading fee is 70.1% of the maximum fee;
Index 2 (Other/General, Hot Topics): 59.7%;
Index 0.5, Category (Economics, Weather): 80.2%.
The actual daily trading volume (approximately $160 million) reflects the actual revenue of USDC, being about half of the nominal trading volume ($350 million) reported by the platform.
Calculation Results
The overall actual fee rate for all product types is approximately 0.76% of total trading volume. Based on current levels:
Total daily trading fee revenue: approximately $1.2 million;
After deducting discounts and referral bonuses, estimated daily net income is approximately $573,000. Annual net profit: approximately $209 million.

Important note: The above referral costs assume full coverage (all transactions come from referrals). Actual net revenue from the agreement will be higher, with projected annual figures ranging from $209 million to $342 million, depending on the referral system usage rate.

Competitive Landscape in the Industry
The impact of trading fees on the platform’s growth is somewhat negative or negligible, while the rebate mechanism for market makers effectively offsets small liquidity shortages. Compared to similar platforms:
Pumpfun generates about $1 million in net revenue each day from agreements.
Hyperliquid generates revenue of about $2 million per day.
Polymarket’s estimated daily net revenue after deducting fees is approximately $580,000, about 60% of Pump.fun and 30% of Hyperliquid. Considering that the number of referrals is not always fully utilized, Polymarket’s actual daily net revenue could range from $580,000 to $950,000, with the high end nearing Pump.fun.
If Polymarket maintains half of its recent growth rate (trading volume has increased by approximately 200% over the past six months), their net revenue is expected to catch up to Pump.fun by September 2026 and significantly narrow the gap with Hyperliquid.
Among the applications generating significant cash flow in the cryptocurrency space, Polymarket is currently among the most efficiently operating applications. The continuous expansion of categories, integration with mainstream media such as X/Twitter, regulatory compliance due to ICE’s investment, and a fee structure balancing low trading fees with strong market-making incentives all contribute to a solid foundation for generating sustainable revenue.