Other

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

Result

Down — won

❌ The biggest whale got it wrong. Tracked whales were 86% accurate on this event.

Live Polymarket odds and smart-money activity on S&P 500 (SPX) Up or Down on August 18?. WhalesInsider tracked 7 whale trades ($19k volume) on this event. The biggest whale bet: $6.2k.

67% of the whale money here is on a single outcome — across 5 wallets.

Which side it backs, and by how much it leans against the price, are in the live feed.

Track this event freeView on Polymarket ↗

Where the smart money is

Biggest tracked bets on S&P 500 (SPX) 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.

Where the money is

Down $13k · 67% · 6 betsUp $6.2k · 33% · 1 bets
0xdefe…17f4bet$6.2konUpInsider 55
0xcbd0…dec4bet$3.4konDownInsider 65
0xcbd0…dec4bet$2.3konDownInsider 65
0x7d6d…a087bet$2.2konDownInsider 27
0xcbd0…dec4bet$1.9konDownInsider 65
0x05dd…e2afbet$1.4konDownInsider 41
0x2651…3471bet$1.4konDownInsider 55

Copy the smart money on S&P 500 (SPX) Up or Down on August 18?

WhalesInsider shows real-time whale bets, each wallet’s Insider Score and win-rate, and whether the edge still exists if you copy now. Create a free account to follow this event.

Create free account

More other events

Ningbo OpenExact ScoreNingbo OpenWill Harry Kane finish in the top 3 of the 2026 Ballon d'Or?Almaty OpenPersik Kediri vs. PSS SlemanIllawarra Hawks vs. Sydney KingsIndia Tour of New Zealand T20s

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