Dev Tools · 2h ago
Developer builds real-time whale tracker for Polymarket prediction markets
A developer created WhaleTrack, a Node.js-based tool that monitors large 'whale' wallets on Polymarket, where $3.89 billion is bet on the 2026 World Cup. The app uses Polymarket's CLOB API via Bullpen CLI for live data and vanilla JS for the frontend. The main challenge was user acquisition through SEO and social media distribution.
Meridian48 take
A practical dev project that highlights the growing intersection of prediction markets and blockchain analytics, though its niche appeal limits broader impact.
Read the full reporting
How I built a real-time whale tracker for Polymarket using Node.js and a CLI →
DEV Community
polymarketwhale-tracking