How to do one thing on a prediction market
A guide explains how this industry works and deliberately does not tell you what to buy. These pages do the opposite and nothing else: one task, the cards that do it, in an order, with one clause on why each is there — and a section on what breaks, because the part worth writing down is never the happy path.
How to build your own dashboard on Polymarket data
Five ways to get Polymarket volume, flow and holdings into a chart you control — public SQL tables, the venue's two APIs, a hosted screen and venue aggregates.
Next to Analytics5 approachesUpdated
How to get resolved prediction market history as data
Five ways to pull settled markets and their outcomes out of Kalshi and Polymarket — a bulk snapshot, two venue APIs, SQL over the chain, and a workspace.
Next to Data APIs5 approachesUpdated
How to match the same question across venues
No two venues share an identifier, so lining one outcome up on Kalshi and Polymarket is a judgement. What to match on, and what to write down.
Next to Data APIs5 approachesUpdated
How to place a prediction market order from code
Five clients that actually submit orders, and the three things between a working script and a fill — the key, the wallet approvals and the eligibility check.
Next to Clients & Bots5 approachesUpdated
How to read a market's rules from the API before you trade it
Where the settlement source, the cutoff and the fallback clause actually live in five prediction-market APIs — on the series or the event, rarely on the market.
Next to Data APIs5 approachesUpdated
How to stream a prediction market order book
Five live book feeds across four venues, and the parts that decide whether your local book is right — deltas versus replacements, missed messages, reconnects.
Next to Data APIs5 approachesUpdated
How to track a Polymarket wallet's positions
Five ways to read one address's open positions and trade history — and why two of them print a different profit figure for the same wallet.
Next to Analytics5 approachesUpdated
How to track and score your own forecasts
Five ways to keep a forecasting record that still means something a year later — two you own, two that supply the questions and the crowd, one for practice.
Next to Forecasting5 approachesUpdated