IRedDragonICY/idx-stock

Indonesia Stock Exchange (IDX) Corporate Announcements & Disclosures

Abstract

The IDX Stock Announcements Dataset constitutes a comprehensive longitudinal archive of public corporate disclosures, financial reports, and regulatory announcements emanating from issuers listed on PT Bursa Efek Indonesia (Indonesia Stock Exchange).

This corpus is curated to facilitate advanced academic research in financial natural language processing (FinNLP), event study methodologies, market sentiment analysis, and corporate governance monitoring within the Southeast Asian emerging market context. The dataset captures the raw stream of information as disseminated via official disclosure channels, preserving the temporal integrity of market signals.

Dataset Structure

Data Organization

The dataset is structured to preserve the relational integrity between administrative metadata and unstructured content. The core components include:

1. Metadata Indices: JSON and CSV manifests detailing the administrative attributes of each announcement.
2. Unstructured Documents: Referenced attachments (PDFs) associated with specific regulatory events (e.g., Financial Statements, Public Expose materials, Material Fact disclosures).

Feature Schema

The data schema reflects the official field definitions utilized by the exchange. Key variables include:

Feature	Type	Description
Id	String	Unique internal identifier for the announcement entry.
AnnouncementNo	String	Official reference number assigned by the exchange.
Date	ISO-8601	Timestamp of publication (PublishDate).
Title	String	The headline or subject of the disclosure (Mixed ID/EN).
Code	String	Ticker symbol of the associated issuer (e.g., BBCA, GOTO).
AttachmentCount	Integer	Number of supplementary documents attached.
RawAttachments	Object	Metadata and retrieval paths for associated document assets.

Methodology

Data Acquisition

This dataset was curated via a systematic extraction pipeline targeting the public announcement endpoints of the Indonesia Stock Exchange. The acquisition process prioritized high-fidelity capture of metadata to ensure historical continuity.

Data Integrity

The information is presented "as-is" regarding the source. No post-processing or normalization has been applied to the textual content of the titles or attachments to preserve the authenticity of the raw financial signal for NLP applications.

Potential Applications

This dataset serves as a foundational resource for various computational finance tasks:

• Financial Sentiment Analysis: Training models to interpret Bahasa Indonesia and English financial terminology.
• Market Impact Analysis: Correlating announcement density and sentiment with price volatility.
• Named Entity Recognition (NER): Extracting corporate entities, monetary values, and key personnel from Indonesian regulatory documents.
• RAG Systems: Developing Retrieval-Augmented Generation systems for automated due diligence.

Terms of Use & Liability Disclaimer

Usage of this dataset is strictly subject to the Terms of Use (Syarat Penggunaan) of PT Bursa Efek Indonesia.

By accessing and using this repository, the user acknowledges the following:

1. Intellectual Property: All trademarks, trade names, and data originate from PT Bursa Efek Indonesia (IDX). The terms "Bursa Efek Indonesia," "BEI," "Indonesia Stock Exchange," and "IDX" are protected trademarks.
2. Non-Commercial Use: In accordance with the IDX Terms of Use, data obtained herein may not be used for commercial purposes without prior written consent from the Indonesia Stock Exchange. This repository is intended solely for educational, academic, and non-commercial research purposes.
3. "As Is" Warranty: The data is provided "as is" and "as available." Neither the repository maintainer nor PT Bursa Efek Indonesia warrants the accuracy, completeness, or timeliness of the information.
4. Liability: The repository maintainer assumes no liability for errors, delays, or consequences arising from the use of this data. Users bear full responsibility for compliance with applicable laws and regulations regarding market data usage.

Source Reference: https://idx.co.id/id/syarat-penggunaan/

Citation

If you utilize this dataset in your research or publications, please cite it as follows:

@misc{idx_stock_2025,
  title={Indonesia Stock Exchange (IDX) Corporate Announcements & Disclosures Dataset},
  author={Hendianto, Mohammad Farid},
  year={2025},
  publisher={Hugging Face},
  howpublished={\url{https://huggingface.co/datasets/IRedDragonICY/idx-stock}},
  note={Data sourced from PT Bursa Efek Indonesia}
}

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Disclaimer: This repository is an independent archiving project for academic research and is not officially affiliated with, endorsed by, or connected to PT Bursa Efek Indonesia.