Kalshi Surpasses Polymarket as Bitcoin Perpetuals Draw Institutional Flow — Bitcoin

Kalshi Surpasses Polymarket as Bitcoin Perpetuals Draw Institutional Flow

Kalshi’s open interest surged to $810 million, a 28% jump and all-time high, driven by its new CFTC-regulated Bitcoin perpetual futures contract and a sharp 13% Bitcoin price drop that sent traders from unregulated venues seeking capped downside protection. The platform’s $810 million OI now dwarfs competitor Polymarket’s $419 million, reflecting Kalshi’s strategic pivot toward regulated derivatives over discrete-outcome betting.