orderbook
poly-btc-orderbookpoly-sol-orderbookpolymarket-orderbook
Polymarket Orderbook Archive
Tick-by-tick Polymarket CLOB (central limit order book) event stream for every
market, 2026-02-22 → 2026-08-10, plus a query-ready 1-minute full-depth L2
snapshot rollup derived from it. Parquet, partitioned by UTC day, one file per
day.
Config
What
Days
Size
Typical file
orderbook
raw WebSocket event stream (book, price_change, last_trade_price, tick_size_change)
164
~1.18 TB
8 GB (max 14 GB)
orderbook_1min
full L2 book at the end of… See the full description on the dataset page: https://huggingface.co/datasets/Joseph3222/polymarket-orderbook.poly-xrp-orderbookpoly-eth-orderbookpolymarket-orderbook-dataset
Polymarket Order Book Dataset
Order-book snapshots from a prediction market, collected continuously between
2026-07-10 and 2026-09-13: 484,045,253 quote observations across
314,123 markets, plus settlement outcomes and a separate high-frequency feed
that records actual traded prices.
It is published so other people can build and train on it without first spending
a month running collectors. Everything here is an independent observational
recording of publicly displayed market… See the full description on the dataset page: https://huggingface.co/datasets/DineshKumar8399/polymarket-orderbook-dataset.