Woofun AI data shows Kalshi generated $3.073 billion in trading volume over the past seven days, compared to $1.189 billion for Polymarket International. Over the last 30 days, Kalshi recorded $11.502 billion in volume, while Polymarket reached $4.858 billion alongside a TVL of $405 million. Predict Fun reported $103 million in weekly volume and $362 million monthly, with a TVL of $21.68 million. OPINION posted $95.32 million in weekly volume and $404 million monthly, holding a TVL of $4.58 million.