https://walletinvestor.com/news/casino-news/sports-crypto-and-politics-now-dominate-prediction-market-volume-a-new-financial-category-emerges/
Sports, Crypto, and Politics Now Dominate Prediction Market Volume: A New Financial Category...
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https://defirate.com/prediction-markets/volume/
Prediction Market Volume: Kalshi & Polymarket Aggregated Data
Apr 26, 2026 - Live prediction market data from Kalshi and Polymarket — volume, top markets, and category breakdowns updated every 30 minutes.
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