How to get Kalshi and Polymarket odds and price history in one spreadsheet

Prediction markets put a live price on questions like rate decisions, inflation prints, elections and the weather. If you are building a dashboard, a research notebook or a model, you quickly hit two problems: Kalshi and Polymarket each have their own APIs with their own field names and units, and comparing them means writing and maintaining two... Weiterlesen: How to get Kalshi and Polymarket odds and price history in one spread…