Second-by-second top-of-book order-book recordings of Polymarket's recurring 5-minute crypto up/down markets — bet on whether a coin closes a fixed 5-minute window higher or lower — for BTC, ETH, SOL, XRP, DOGE, HYPE and BNB.
~89,000 markets (one resolved 5-minute window each)
26,858,579 per-second observations (≈300 ticks per market)
Span: BTC 24 Mar 2026 → 18 May 2026; the other six 5 Apr 2026 → 18 May 2026 (UTC)
Coverage 99.8%+, no… See the full description on the dataset page:
https://huggingface.co/datasets/kachoio/polymarket-5-minute-crypto-up-down-markets.