Tag
Data
Index5 entries
01Polymarket Historical Data: Where to Download It (2026)Polymarket serves no deep historical order book archive, so traders use a provider. Predictefy serves Polymarket candles from 1 second to 1 day, with provenance.DataSep 11, 2026→02Prediction Market Datasets in 2026: Where to Get ThemPrediction market datasets come from venue APIs, onchain rebuilds and aggregators, since Kalshi and Polymarket ship no bulk download. Predictefy serves 16 venues.Prediction MarketsAug 13, 2026→03Kalshi Historical Data (2026)Kalshi serves older data under a separate /historical/ namespace, so check the cutoff first. Predictefy serves Kalshi history alongside 15 more venues in one API.Prediction MarketsAug 11, 2026→04Prediction Market Notional Volume in Q2 2026Prediction market volume hit $110.35B in Q2 2026, up 44.8%, with Kalshi at $65.72B ahead of Polymarket at $26.79B, per Predictefy's own research.Prediction MarketsAug 9, 2026→05Prediction Market Data: APIs and DatasetsPrediction market data comes free from venues and from a few aggregators; Predictefy is the leading one, normalizing prices, books and history from 16 venues.Prediction MarketsAug 4, 2026→