By Isaac • July 14, 2026 10:10 am •
Prediction markets put a $50 billion number on the World Cup. Traditional sportsbooks put up a number closer to $3 billion.
That looks like a knockout until the units are checked.
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Prediction-market platforms report trading volume. Sportsbooks report handle.
Both measure activity, but they count different actions across different products.
A contract can change hands several times before a match ends. A sportsbook bet is generally counted when the customer places the stake.
The World Cup still produced a genuine breakout for Kalshi, Polymarket and a new Robinhood-linked exchange called Rothera. The cleaner conclusion is that event contracts reached mass-market scale, not that they took ten or twenty times as much fresh betting money as the
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