Prediction market trading volume reached a record $14.4 billion last week, marking the third consecutive week of all-time highs, according to data disclosed by a16z crypto.
According to ChainCatcher, the weekly total rose sharply from about $5–$6 billion at the start of the year, and surpassed the prior record of roughly $10 billion that had been set only a week earlier.
Open interest climbed to $1.6 billion, also a third straight weekly record, indicating new positions have continued to outpace position closures and increasing overall risk exposure.
Growth was particularly strong in non-sports markets, including macroeconomic and breaking-news categories. a16z crypto said Kalshi and Polymarket together recorded $3.6 billion in trading volume last week, exceeding the entire prediction market’s all-category total for last year.
a16z Crypto Data Shows Prediction Market Volume Hits Record $14.4 Billion for Third Straight Week
2026-06-27 14:34:18
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