iGamingPublished:Jul 8, 2026, 1:10 PM
Combined trading measurement crossed the 2 largest prediction-market platforms surged 75% successful June to $44.8 billion, a grounds for the sector, arsenic the FIFA World Cup pulled a question of event-contract enactment onto Kalshi and Polymarket. The period tested whether prediction-market infrastructure could prolong trading astir a azygous planetary lawsuit – and, by the measurement figures, it did conscionable that.
Published: Jul 8, 2026, 1:10 PM
Key Takeaways
- Kalshi, Polymarket, and Polymarket U.S. traded a combined $44.8B successful June, up 75% from May’s $25.66B.
- Kalshi took the largest stock astatine $31.5B, astir 70% of the total, increasing 87% period implicit month.
- Trading measurement is not wealth staked – contracts are resold repeatedly, truthful the fig overstates funds astatine risk.
The World Cup-induced maturation spurt continues
Kalshi, combined with Polymarket’s planetary level and its U.S.-regulated exchange, recorded a combined $44.8 cardinal successful monthly trading volume successful June. This marks a 75% leap from May’s $25.66 billion, according to The Block’s information dashboard. Kalshi drove astir of the increase, increasing 87% period implicit period to $31.5 billion.
The main origin of the maturation is the FIFA World Cup co-hosted by the U.S., which began connected June 11 and rapidly became the largest liquidity lawsuit the assemblage has seen. Kalshi unsocial processed astir $7.4 cardinal successful World Cup trades during the tourney truthful acold – much than its full March Madness volume – portion Polymarket’s lawsuit markets drew astir $6.4 billion, demonstrating that they tin sorb sustained trading astir 1 recurring subject.
Prediction-market volume had climbed steadily earlier successful 2026 — combined monthly totals were astir $25.7 cardinal successful March and $25.66 cardinal successful May, per earlier tracking – truthful June’s $44.8 cardinal marks a tournament-driven measurement alteration alternatively than a departure from the trend. Whether that level holds erstwhile the World Cup ends is the unfastened question; June was arsenic overmuch a trial of event-driven request arsenic a durable record, and portion the tourney is lone conscionable approaching its concern end, the elimination of the USMNT volition inevitably interaction instrumentality interest.
Some trackers enactment June’s full supra $50 billion; that figure, utilizing Artemis data, counts further venues specified arsenic the Robinhood-backed Rothera alongside Kalshi and Polymarket, whereas The Block’s $44.8 cardinal covers the 2 ascendant platforms and Polymarket US – the 2 measurement antithetic venue sets alternatively than contradicting each other. A abstracted $50 cardinal fig has besides circulated: Macquarie’s pre-tournament forecast for the total World Cup wagering crossed the full event, which is simply a projection of each betting enactment implicit astir six weeks — not a measurement of monthly prediction-market trading volume, and not straight comparable to it.
It is besides worthy keeping successful caput that volume is not the aforesaid arsenic wealth wagered. Prediction-market contracts are bought and sold repeatedly earlier a marketplace settles, truthful a azygous dollar tin alteration hands galore times and beryllium counted astatine each measurement – meaning the header volume overstates the magnitude really staked connected outcomes.
For comparison, Pew Research Center has noted that U.S. ineligible sportsbooks handled astir $14 cardinal per period successful wagers successful 2025, a fig that measures wealth stake alternatively than contracts traded, and is not straight comparable to prediction-market volume for that reason.
Whether June’s level marks a durable displacement oregon conscionable a World Cup spike is the cardinal question of the coming months. For sports fans, determination is ever going to beryllium thing to travel and commercialized on.

1 day ago









English (US)