l2
Datasets
All datasets matching “l2”L2DTL;DR of L2D, the world's largest self-driving dataset! Read more about L2D on the official Huggingface blog: LeRobot goes to driving school
90+ TeraBytes of multimodal data (5000+ hours of driving) from 30 cities in Germany
6x surrounding HD cameras and complete vehicle state: Speed/Heading/GPS/IMU
Continuous: Gas/Brake/Steering and discrete actions: Gear/Turn Signals
Environment state: Lane count, Road type (highway|residential), Road surface (asphalt, cobbled, sett), Max speed limit.… See the full description on the dataset page: https://huggingface.co/datasets/yaak-ai/L2D.polymarket-l2-history
Polymarket rewarded-market L2 history
Append-only archives of public Polymarket CLOB WebSocket messages for markets
eligible for liquidity rewards. The dataset is intended for market
microstructure research, backtests and machine-learning experiments.
No wallet data, private keys or authenticated trading information is collected.
Files are gzip-compressed JSON Lines and grouped by source and UTC date.
The source data comes from Polymarket's public CLOB interfaces and remains… See the full description on the dataset page: https://huggingface.co/datasets/Houroux/polymarket-l2-history.china-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.a-share-l2-trades
China A-share Level 2 Trades
Canonical Level 2 trade records for China A-shares, stored as one fact table.
Coverage
Date range: 2026-04-01 to 2026-09-23
Trading days: 118
Rows: 18606354814
Parquet files: 836
Compressed local size: 148.49 GiB
Layout
data/l2_trades/
trade_date=YYYY-MM-DD/
code_prefix=00/
part-00000.parquet
code_prefix is ticker[:2]. For example, 000001 -> 00, 300750 -> 30, 600519 -> 60, and 688981 -> 68.
Files are… See the full description on the dataset page: https://huggingface.co/datasets/phields/a-share-l2-trades.pmxt-l2-dump
PMXT Polymarket Orderbook Backup
这个数据集仓库用于保全 PMXT 公开提供的 Polymarket 小时 parquet 对象；它是一个非官方镜像/备份，不是 PMXT 官方仓库。
Source And Attribution
Original source: PMXT Database Dumps
Current primary source listing: PMXT Polymarket v2
Current primary object endpoint used by this mirror: https://r2v2.pmxt.dev/polymarket_orderbook_YYYY-MM-DDTHH.parquet
Historical v1 listing: PMXT Polymarket v1
如果上游 PMXT archive 可用，请优先使用上游来源。
License
上游 PMXT archive 当前页面声明数据按 CC BY… See the full description on the dataset page: https://huggingface.co/datasets/phobia76/pmxt-l2-dump.ntp_training_data_finewebedu_21b