Polymarket’s soccer-category trading volume exceeded $2 billion in the 10 days before the World Cup, up 300% from the prior 10-day period. According to Odaily, average daily volume rose to about $220 million from $53 million before the tournament.
Kalshi’s open interest reached a record $1.16 billion last Thursday, surpassing $1 billion for the first time and rising 350% year to date.
During the World Cup, Polymarket’s open interest remained relatively stable, and open interest on Polymarket’s U.S. arm increased only modestly, staying below its peak in April 2026.
Kalshi’s open interest grew faster than its trading volume, indicating longer holding periods among users and larger directional positions. The report said Kalshi’s CFTC-regulated access and direct U.S. dollar funding channels have attracted U.S. institutions and high-net-worth dollar investors.
Polymarket Soccer Trading Volume Tops $2 Billion in 10 Days Before World Cup
2026-06-24 15:44:28
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