Non-sports prediction-market volume across Kalshi and Polymarket rose 144% in August. Most of the increase came from Kalshi, which continues to dominate non-sports activity.
Why it matters
The growth shows that event contracts are expanding beyond sports. That gives prediction markets a broader adoption signal and makes non-sports activity an increasingly important measure of the category's reach.
Market impact
Kalshi's dominance makes its lead the central market signal, while Polymarket remains part of the comparison. The next signal is whether non-sports volume broadens across both platforms and whether Kalshi's lead persists.
Source: [source](http://telegraph.controller.bot/files/8336652911/AgACAgIAAxkBAAJLXGqPAVoxdXmKqw5JiiU72ilAjBUjAAJRKmsbBjh4SJa_IqPZjowWAQADAgADeQADPQQ)
Frequently asked questions
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Which platforms were included in the August comparison?
The data covered non-sports prediction-market volume across Kalshi and Polymarket.
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What does the growth indicate about event contracts?
It indicates that event contracts are expanding beyond sports and gives prediction markets a broader adoption signal.
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Which platform currently dominates non-sports activity?
Kalshi currently dominates non-sports activity and accounted for most of the reported increase.
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Why is Kalshi's lead the main market signal?
Kalshi drove most of the segment's growth, while Polymarket remains part of the comparison.
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What should readers monitor in future updates?
The key signal is whether non-sports volume broadens across both platforms and whether Kalshi's lead persists.
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