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ResearchTemporal Leakage in Financial News NLP

Temporal Leakage in Financial News NLP: A Multi-Architecture Audit with a Regime-Specific M&A Signal

Chenhao Xue, Raslen Guesmi, Siwei Feng, Yucheng Gong, Jacob Xavier Sundram, Jordan Pang, Lan Wang, Julian Kaljuvee
arXiv:2608.17223submitted 2026-08-18
arXiv originalPDFDownload .mdAsk about this paper

Markdown version converted from the arXiv HTML for reading and retrieval. Figures are omitted. The arXiv version is authoritative; all credit to the authors.

Contents

Research and Talks

Articles & talks by Julian
Papers1▸
Temporal Leakage in Financial News NLP: A Multi-Architecture Audit with a Regime-Specific M&A Signal
2026-08-18ResearchNLPFinance
LinkedIn6▸
A Quick Introduction to Recursive Language Models (RLMs)
2026-06-01ResearchLLMs
Scaling LLM Evaluation with Synthetic Data
2026-05-01ResearchEvaluationLLMs
Knowledge Graphs + RAG = GraphRAG
2026-04-01ResearchGraphRAGRAG
Return of the Diffusion Models
2026-03-01ResearchDiffusion
Prismatic Synthesis — How Small Language Models (SLMs) Beat the Giants
2026-02-01ResearchSLMs
The Return to the Command Line — TUIs and DSLs
2026-01-01ResearchTUIsDSLs
Talks6▸
RAG Enterprise Search
2025-06-01TalkRAGEnterprise Search
Estonia AI Meetup — Mar 2025
2025-03-01TalkAI
Mentastic AI Workshop
2024-09-01TalkAI
Estonia AI Meetup — Oct 2023
2023-10-01TalkAI
Estonia AI Meetup — Jul 2023
2023-07-01TalkAI
Data Scrum — Alternative Data
2019-09-01TalkAlternative Data
Personal Blog10▸
Visualising Poetry with AI
2022-08-20Blog
Announcing AltSignals.AI [Beta]
2020-09-06Blog
News Sentiment Based Long-Short Trading Strategy
2020-07-13Blog
News Named Entity Extraction (NER) and Sentiment Analysis
2020-05-05Blog
In Search of Perfect Repair Mechanisms
2019-07-02Blog
Predicting Company Sales with Alternative Data
2019-06-26Blog
Data Science — Basic Scikit Learn Techniques
2019-03-26Blog
Information is Beautiful — Visualising US Immigration
2019-02-14Blog
Data Science — What is Alt Data or Alternative Data?
2019-02-11Blog
The Best Jobs in the World
2018-11-10Blog