4 posts tagged “data”.
Compare ZenHodl and Telonex prediction market data: Kalshi depth and one-time archives vs Telonex's multi-venue Parquet subscription.
Compare PMXT's open-source, multi-venue trading API with ZenHodl's one-time Polymarket and Kalshi historical order-book archives.
Compare ZenHodl and PolymarketData.co: one-time Kalshi + Polymarket archives with disclosed limits vs. a recurring Polymarket API with a free tier.
Compare ZenHodl and Kaggle Polymarket data: free community datasets vs. paid, curated Kalshi + Polymarket archives with disclosed coverage.