In December 2025, the total volume of the prediction market reached $19.1 billion, setting a new all-time high and surpassing the previous record by approximately 35%.
The leaders in trading volume for the month were Kalshi with $7 billion, Opinion with $6.7 billion, and Polymarket with $5.3 billion.
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In December 2025, the total volume of the prediction market reached $19.1 billion, setting a new all-time high and surpassing the previous record by approximately 35%.
The leaders in trading volume for the month were Kalshi with $7 billion, Opinion with $6.7 billion, and Polymarket with $5.3 billion.