whale index
Biggest whale moves this week
The Polymarket markets where the most whale money moved over the last 7 days — which side large wallets backed, with how much, and how concentrated the flow is. Real on-chain data from the apimie whale ledger; refreshed each publish.
Snapshot · week ending October 19, 2026 · whales = wallets trading >$10k in a single position
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How to read it. A high top-wallet share means one wallet's conviction is driving the flow; a low share across several wallets means whales independently landed on the same side. Whale counts here are small on purpose — only positions above $10k are counted, so a market with two or three of them is normal and one with twenty is unusual. Neither is a recommendation: it is where the largest money sat this week, before the markets resolved.
We tested whether this flow actually predicts outcomes on hundreds of resolved markets — read the backtest. You can pull the same data yourself from the API — the free tier is enough.