Polymarket US recorded about $13.7 billion in contract-face-value turnover between September 27 and October 26, 2026, with sports accounting for 98.2% of the total, according to DeFi Rate. Traders actually paid $3.4 billion, compared with $2.4 billion on Polymarket’s international platform. On the basis of dollars paid, the US venue therefore represented about 59% of the two platforms’ combined volume, versus 74% by contract face value. This heavy reliance on sports contracts leaves Polymarket exposed to the legal dispute over the CFTC’s federal jurisdiction versus state gambling laws in ten states, as well as to a renewed inquiry into Americans’ access to its international platform and the customer protections applied.
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