order-book
poly-btc-orderbookpoly-sol-orderbookchina-a-share-l2-level2-limit-order-book-tick-data
China A-Share Level-2 Archive
2017–2026 · Quotes, orders and trades · Parquet
A historical archive of Chinese exchange Level-2 data, supplied through a vendor export.
It includes ten-level quote snapshots, individual order messages and trade-stream records.
The files cover A-share stocks and non-stock instruments such as ETFs and bonds.
“Full-market” describes the export's scope, not a guarantee that every instrument or message is present.
中国证券市场 Level-2… See the full description on the dataset page: https://huggingface.co/datasets/venvoo/china-a-share-l2-level2-limit-order-book-tick-data.polymarket-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-orderbook