Story detail view · 2026-07
The ‘Bad Blood’ Between Polymarket’s Shayne Coplan and Kalshi’s Tarek Mansour

The ‘Bad Blood’ Between Polymarket’s Shayne Coplan and Kalshi’s Tarek Mansour

Quick Summary

Shayne Coplan of Polymarket and Tarek Mansour of Kalshi are young billionaires intent on dominating prediction markets. It’s more than a battle. It’s “bad blood.”

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