View live siteUpDown Charts
We built UpDown Charts end to end: live and historical charts for 28 Polymarket up-or-down markets, the Observatory study, and a REST API with MCP.
We built UpDown Charts end to end: product, terminal identity, live charting, and the recording pipeline behind 28 Polymarket up-or-down markets—seven crypto assets across four timeframes. It also carries the Observatory, a public study of how well the market’s own odds predict outcomes, plus a REST API and MCP server over the same data.



