The World Cup is attracting lots of interest and activity, and other areas are growing alongside. Non-sports volume across categories like politics, economics, geopolitics, and current events hit $3.6B last week on Kalshi and Polymarket combined. Thatβs larger than total prediction market volume (sports included) was just last year.
In July 2025, non-sports weekly volume was around $200M. It has grown roughly 18x since then, with the trajectory steepening sharply this month.
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