danning(@sui414):July snapshot (avg open interest / one-sided taker volume / daily turnover): Kalshi: $970M OI · $13.3B vol · ≈0.44×/day Polymarket Intl: $420M OI · $3.0B vol · ≈0.23×/day Polymarket US: $100M OI · $2.0B vol · ≈0.64×/day Two puzzles: 1) How did Kalshi do $10.3B more‼️ volume than Polymarket Intl in July, with only $550M more OI? 2) And how did Polymarket US print almost same volume as Intl's with just $100M OI?

danning

@sui414

Research Director @PanteraCapital. co-host @indexed_pod. previously data @ Flashbots ⚡️🤖 @0xProject @ConsenSys.

Joined August 2016

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danning@sui414

2026.08.05 13:00

July snapshot (avg open interest / one-sided taker volume / daily turnover): Kalshi: $970M OI · $13.3B vol · ≈0.44×/day Polymarket Intl: $420M OI · $3.0B vol · ≈0.23×/day Polymarket US: $100M OI · $2.0B vol · ≈0.64×/day Two puzzles: 1) How did Kalshi do $10.3B more‼️ volume than Polymarket Intl in July, with only $550M more OI? 2) And how did Polymarket US print almost same volume as Intl's with just $100M OI?