Polymarket's Open Interest Peaks at $326 Million

Key Points:* Polymarket’s open interest peaks at $326 million, surpassing past highs.

• Interest in sports, politics, crypto remains strong.
• CFTC regulatory status critical to U.S. operations. According to Dune Analytics, Polymarket’s open interest surged to approximately $326 million, marking a 170% rise this year, with sports, politics, and crypto leading market sectors.

This growth signifies increasing engagement in prediction markets, with potential implications for the broader crypto economy amid ongoing monthly contract settlements.

Polymarket Surges to $326 Million Open Interest Peak

Dune Analytics reports a sharp increase in Polymarket’s open interest, reaching approximately $326 million. This marks the highest point this year and reflects substantial growth since January. Sports, politics, and crypto dominate market share, engaging significant user interest.

The increase in open interest indicates substantial market activity, aligning with societal dynamics. The closure of one-third of contracts at month-end demonstrates strategic positioning by traders. The format ensures liquidity and turnover, impacting participant strategies and decision-making processes.

Community reactions are focused on the evolving landscape of prediction markets. With Intercontinental Exchange’s commitment of up to $2 billion for expansion, stakeholders view this financial backing positively, signaling confidence in Polymarket’s potential growth and influence in trading platforms.

CFTC’s Support Shapes Polymarket’s U.S. Expansion Strategy

Did you know? In the 2024 U.S. election, Polymarket’s political open interest reached a historical peak of $385 million, illustrating the market’s sensitivity to political events.

USDC remains stable at $1.00 with a market cap of $78.19 billion and a 2.65% market dominance, per CoinMarketCap. Trading volume shows a -14.31% decline over 24 hours, yet price fluctuation since October remains minimal, highlighting its resilience as a settlement choice.

USDC(USDC), daily chart, screenshot on CoinMarketCap at 10:40 UTC on December 17, 2025. Source: CoinMarketCap Coincu’s research suggests Polymarket’s sustained interest growth, alongside CFTC’s regulatory support in November 2025, poised it for expanding operations in the U.S. market. This regulatory environment opens doors for potential new collaborations and market penetration strategies.