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Prediction Markets Face Billions in Fall Trading

By Markets Desk · 2026-09-13 · 3 min read
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Illustration: Tradingbird

Daily trading volume reaches billions as NFL season and midterm elections converge.

Daily notional trading volume in prediction markets consistently exceeds billions of dollars. The figure reflects the convergence of the NFL season and the midterm election campaign. This overlap marks the highest activity level recorded for the sector. Two major platforms now dominate the exchange landscape. Smaller competitors are entering the market to capture a share of this flow. The 2025 football season and the 2024 presidential election drove the initial mainstream adoption. Traders now expect this dual-event window to sustain momentum. Robinhood’s general manager for futures and prediction markets described the current period as a supercycle. The platform relies heavily on sports offerings for its total volume.

New England Patriots and Seattle Seahawks opened the NFL season with a rematch of the 2026 Super Bowl. Labor Day also signaled the start of the midterm election cycle. Prediction markets entered this autumn larger than in any previous year. The sector features two dominant incumbents and a host of smaller exchanges. Traders show increased interest in economic contracts linked to Federal Reserve interest rate decisions. Major League Baseball playoffs add another layer of trading activity in October. The CEO of EDGE Markets stated that this NFL cycle is a make-or-break moment for newer companies. Volume from sports offerings remains the primary driver for most platforms.

Major Platforms Report Record Activity

Kalshi processed a record 2.3 billion dollars in volume on the first day of college football. The platform launched a feature allowing users to track performance from the 2025 NFL season. Kalshi also expanded partnerships with individual sports teams ahead of the MLB playoffs. Polymarket debuted an advertising campaign featuring basketball and football legends. The company introduced a new product for its U.S. exchange that allows users to share and trade together. Both platforms experienced technical glitches during the start of college football. Polymarket’s U.S. platform was offline for much of Saturday. Accounts that suffered losses due to the outage received refunds.

Kalshi prematurely resolved a market on the University of Michigan game. The system paid traders as if Western Michigan had won the upset. The platform later corrected the Michigan result and paid out according to the actual outcome. These errors highlight the operational challenges of high-volume trading seasons. Polymarket’s president of sports business development stated the company operates under Commodity Futures Trading Commission regulations. The firm continues to work with stakeholders to ensure product safety. This regulatory stance comes amid legal battles with states. State regulators argue sports event contracts are gambling. They seek to place these contracts under state jurisdiction rather than federal oversight.

New Competitors Enter the Market

Rothera is a prediction market platform developed in a joint venture. Susquehanna International Group and Robinhood created the service. The platform saw trading volumes increase after going online. It seeks to capitalize on the same sporting events as the larger incumbents. The competition for market share intensifies as the fall season progresses. Traders are betting on the convergence of political and sporting events. This dual focus drives adoption among new users. The sector’s growth depends on maintaining high volume during these key months. The platforms must balance regulatory compliance with user demand. The outcome of this season will define the market structure for the next cycle.

Regulatory Battles Shape Industry Future

Legal disputes between platforms and state regulators continue across the country. States claim sports-related event contracts amount to gambling. They argue these contracts should fall under state regulatory purview. The Commodity Futures Trading Commission currently oversees these markets. Platforms assert they comply with federal regulations. They state they work with stakeholders to run safe products. The tension between state and federal authority remains unresolved. This legal landscape affects how platforms operate and expand. Traders face uncertainty regarding the long-term regulatory environment. The industry must navigate these legal challenges while maintaining growth. The resolution of these disputes will impact future market access.

Based on reporting by CNBC, compiled by the Tradingbird desk.

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