LSEG Data & Analytics Logo
WHITE PAPER
Harnessing LLMs for financial alpha: Applying fine-tuned sentiment analysis models to LSEG’s Financial News Service
Financial news is one of the richest but also one of the most complex data sources available. Generic large language models are not designed to interpret its nuance.

Our latest whitepaper, developed in collaboration with Corvus Research, demonstrates how fine‑tuned BERT‑based models trained on LSEG’s Reuters news archive significantly improve the accuracy of sentiment scoring for US equities.

It also explains how combining LSEG’s Machine Readable News with state‑of‑the‑art fine‑tuned LLMs produces smarter and more predictive sentiment indicators that better support investment workflows.


Inside the whitepaper, learn how advanced NLP transforms news into alpha‑ready signals including:

  • How raw news is cleaned, prepared and structured so it can be used for model training
  • How sentiment signals generated from news can guide and enhance investment strategies
  • How fine‑tuning helps LLMs handle the challenges of financial language and improves accuracy
  • Why BERT‑based models deliver stronger sentiment performance than generic LLMs for equities

Download the whitepaper and discover how advanced sentiment analysis, powered by Reuters news and fine‑tuned LLMs can deliver a measurable edge in equity forecasting.
Ready to transform news into alpha‑ready signals?


By submitting this form, you agree to your personal data being shared within the London Stock Exchange Group of companies (LSEG) for the purpose of receiving communications via post, phone and electronic means from LSEG about event, resources, products, and/or services.

For more information on how LSEG uses your data, see our Privacy Statement.

You can adjust your preferences at any time through the preference link in any electronic communication that you receive from us.
For more information on how LSEG uses your data, see our Privacy Statement.

You can adjust your preferences at any time through the preference link in any electronic communication that you receive from us.