Polymarket’s late‑march fee overhaul has instantly transformed it into one of defi’s richest protocols, with weekly fees topping $7.1m and regulators circling.

Polymarket has turned a controversial March 30 fee reform into a money machine, hauling in roughly $7.1 million in trading fees in the first week of Q2 and putting itself among the highest‑earning protocols in DeFi. According to data cited by DefiOasis and DeFiLlama, that weekly tally translates into a revenue run‑rate in the $355–$365 million range if daily fees stay near $1 million. One industry data note estimates that on‑chain prediction markets generated just over $7 million in aggregate fees over the same period, with Polymarket responsible for roughly 96.8% of the total.

Fee overhaul drives revenue spike

The inflection point is a March 30 pricing overhaul that ended Polymarket’s quasi‑free era and extended taker fees across nearly all categories, including politics, finance, economics, culture, weather and tech, while keeping geopolitics free. KuCoin’s coverage of the change notes that daily fees jumped from about $363,000 before the switch to more than $1 million within days, with revenue (after incentives) briefly touching $995,000. A separate projection from March 24 suggested the new parameters would support $800,000 to $1 million in daily income on roughly $9.55 billion in 30‑day trading volume, implying about $25 million per month, or around $300 million per year.

TVL climbs back toward election highs

Higher take rates have not yet scared away flow. DeFiLlama figures cited in recent reports put Polymarket’s total value locked at about $432 million, close to levels seen around the 2024 U.S. presidential election, when the platform processed roughly $3.3 billion in bets on the race. With daily fee revenue hovering around seven figures, Polymarket now sits alongside leading DEXs and liquid‑staking platforms on DeFi leaderboards, an unusual position for a prediction‑market venue that only recently began charging most traders.

Regulatory clock is ticking

The revenue surge is colliding with a tightening regulatory backdrop. In the U.S., the Commodity Futures Trading Commission issued an advance notice of proposed rulemaking on March 16, 2026, formally seeking comment on how to govern prediction markets and event‑based derivatives, with the window set to close on April 30. Meanwhile, reports highlight more than 10 anti‑prediction‑market bills introduced since January, along with rising scrutiny in Europe, Argentina and other jurisdictions, especially after controversies around politically sensitive markets. Whether Polymarket can sustain a $300‑plus‑million revenue profile while navigating that pressure is now one of the key questions for the on‑chain betting sector.