Polymarket US sports volume reaches $4.57bn as combo bets dominate

Polymarket's US exchange recorded $14.77 billion in trading volume in October, up from $4.04 billion in June, a 266% rise over five months driven primarily by combo contracts and sports betting.

Combo contracts, which bundle multiple predictions into a single wager, accounted for $8.6 billion of October's total. Sports contracts added $4.57 billion, or 31% of volume. Political markets, despite elevated activity around the midterm elections, generated $108.2 million in the first ten days of November and represented just 2.2% of monthly volume.

The FIFA World Cup accelerated the platform's early growth. Soccer contracts generated $1.81 billion in June trading, up from $85.4 million in May.

Polymarket told CNBC on Tuesday that annualized revenue had exceeded $1.8 billion, against more than $1 billion in June. The platform is separately pursuing a $1 billion funding round at a reported $21 billion post-money valuation.

The figures arrive as Polymarket faces active regulatory scrutiny from the CFTC and multiple state authorities over whether federally registered prediction markets may offer sports contracts without state gambling licenses. Volume growth has continued across the period in which those challenges have intensified.

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Zaid Al-Rashidi

AI & Emerging Markets Analyst

Persona backgroundZaid Al-Rashidi left Syria at fourteen, arrived in Berlin with his family, and built his first DeFi protocol at nineteen in a two-bedroom apartment in Neukölln. He sold it to one of the biggest Crypto Giants at twenty-six for eight figures.