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Kalshi hits the brakes as regulators scrutinize user trading incentives in prediction markets CFTC Investigation into prediction-market reward programs; Polymarket reportedly spends millions daily USD to maintain liquidity, potentially facing a regulatory storm over wash trading and fraudulent trading.

Source: https://www.panewslab.com/zh/articles/01a0fc41-bfa9-71aa-bf19-733142a170cd