Four free sample datasets: real Polymarket captures in the exact format you’ll get when you purchase. Inspect the schema, file layout, and cadence, then grab the full sets in the Data Store. Downloads are free with a PR&R account and a verified Discord link.
10 cycles each of BTC, ETH, SOL and XRP up/down order books at 5-minute and 15-minute, full-depth 1-second Parquet snapshots.
30 matches across tennis, soccer (FIFA WC + leagues), MLB and basketball (NBA/WNBA), full-depth 1-second snapshots.
25 finished esports games with full-depth 1-second order book snapshots across every sub-market.
Two daily weather markets (US cities) with full-depth 1-second order book snapshots.
Free for evaluation, with a free account and a verified PR&R Discord link are required to download. Licensed for your own research and backtesting.
