5. Fake Volumes A Columbia study showed 60% of @Polymarket volume in Dec 2024 was wash trading. Though it dropped in 2025, it still averaged 25%, hitting 20% in October. So, a big chunk of trading might just be noise - not real users. @Kalshi #PredictionMarkets
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5. Fake Volumes A Columbia study showed 60% of @Polymarket volume in Dec 2024 was wash trading. Though it dropped in 2025, it still averaged 25%, hitting 20% in October. So, a big chunk of trading might just be noise - not real users. @Kalshi #PredictionMarkets