Citation·page:polymarket:fn4

Polymarket - Footnote 4

Verdictcontradicted70%

1 check · 4/3/2026

unsupported: The source does not mention Shayne Coplan as the founder of Polymarket. unsupported: The source does not provide any data on the prediction accuracy of Polymarket, such as exceeding 90% one month before event resolution.

Our claim

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Source evidence

1 src · 1 check

docs.polymarket.com/polymarket-learn/FAQ/what-are-prediction-markets

contradicted70%Haiku 4.5 · 4/3/2026

Noteunsupported: The source does not mention Shayne Coplan as the founder of Polymarket. unsupported: The source does not provide any data on the prediction accuracy of Polymarket, such as exceeding 90% one month before event resolution.

Case № page:polymarket:fn4Filed 4/3/2026Confidence 70%