Five years of tick-by-tick bid/ask quotes for the Nasdaq 100 index CFD (a.k.a. USTECH, US Tech 100) at millisecond resolution. Sourced from Dukascopy via Tickstory.

	Dataset details

Instrument USTECH (Nasdaq 100 Index CFD)

Period 2021-05-25 → 2026-05-24

Granularity Tick (millisecond timestamps)

Rows ~376 million

Format Apache Parquet (Snappy)

Partitioning Hive-style by year/month… See the full description on the dataset page: https://huggingface.co/datasets/CarlosSilva1/ustech-ticks.