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S&P 500 (SPX) Opens Up or Down on August 18?: Odds, Predictions & Whale Bets

Live Polymarket odds and smart-money activity on S&P 500 (SPX) Opens Up or Down on August 18?. WhalesInsider tracked 2 whale trades ($4.2k volume) on this event. The biggest whale bet: $2.5k.

Implied odds: Down ~98%

Where the smart money is

Biggest tracked bets on S&P 500 (SPX) Opens Up or Down on August 18?. Addresses are masked and sizes rounded on the free tier — Premium unlocks full wallets, exact sizes and one-click copy.

🔒 Which side the smart money backs — Premium
0x4699…e03cbet$2.5kon🔒 •••Insider 48
0x4699…e03cbet$1.7kon🔒 •••Insider 48

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Analytics of public on-chain data from Polymarket. Not financial, investment or betting advice. Odds change continuously. Terms · Privacy