### 📌 Free Teaser Sample: BTC/ETH/SOL High-Frequency L2 Order Book

This is a free 1-hour high-frequency sample of our professional BTC/ETH/SOL Limit Order Book (L2) and Cumulative Volume Delta (CVD) historical dataset.

Quant researchers and algorithmic developers can use this sample to verify the data schema, microsecond granularity, and engineered feature structures before purchasing the full 6-Month Institutional Pack.

• Format: Apache Parquet

• Resolution: Microsecond-level tick depth.

• Direct Download: Download instantly from Whop servers.