In the first month of the 2026 World Cup, the prediction market accounted for 27% of legal sports betting in the United States, up 3x from the start of the year.
Sports betting analytics firm H2 Gambling Capital’s latest estimate says that during the first month of the 2026 World Cup, prediction market activity accounted for 27% of all legal sports betting volume in the United States—up from just 9% earlier this year. When converted into a growth multiple, that share expanded by more than 3x within just a few months. The U.S. sports betting market reached total handle of about $34 billion in 2025. H2 Gambling Capital: Inflow to prediction market platform
KALSHI-7.23%
POLYMARKET3.45%
MarketWhisper·07-20 02:07




