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[Kalshi and Polymarket November Trading Volume Approaches $10 Billion] Prediction market platform Kalshi's trading volume in November reached $5.8 billion, setting a monthly record high and increasing by 32% compared to October. Polymarket's trading volume during the same period reached $3.74 billion, also hitting a record high, with a month-on-month growth of 23.8%. The combined trading volume of the two platforms approached $10 billion. Market data shows that these two platforms currently dominate the industry's capital flow.