If you use this data in your research, please cite the accompanying paper.
To cite the dataset itself (separate from the paper):
Elkassabgi, Ahmed. 2026. HF Data Library: High-Frequency U.S. Equity Data (version 1.0). https://hfdatalibrary.com. DOI: [pending Zenodo registration].
A machine-readable CITATION.cff file is available in the GitHub repository. GitHub will display a "Cite this repository" button automatically.
cff-version: 1.2.0
title: "HF Data Library"
message: "If you use this data, please cite it as below."
type: dataset
authors:
- family-names: Elkassabgi
given-names: Ahmed
affiliation: "University of Central Arkansas"
orcid: "https://orcid.org/0000-0002-5926-7493"
url: "https://hfdatalibrary.com"
license: CC-BY-4.0
version: "1.0"
date-released: "2026-04-09"
A persistent DOI will be issued through Zenodo upon the first public data release. Each major version will receive its own DOI, ensuring that citations reference a specific, immutable snapshot of the data.
The DOI will be registered with DataCite and indexed by Google Dataset Search, re3data.org, OpenAIRE, and ICPSR.