Citation

Polymarket - Footnote 4

contradicted70% confidence

1 evidence check

Last checked: 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.

Evidence — 1 source, 1 check

docs.polymarket.com/polymarket-learn/FAQ/what-are-prediction-markets(1 check)

contradicted70%Haiku 4.5 · 4/3/2026

Found: Founded in 2020 by Shayne Coplan, Polymarket positions itself as providing accurate, unbiased, and real-time probabilities for significant events by leveraging prediction markets where participants ar…

Note: 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.

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Record type: citation

Record ID: page:polymarket:fn4