Experimental AI case study

Financial sentiment, evaluated with discipline.

A specialized 8B language model with a quantized local deployment artifact, for classifying short English financial statements as positive, neutral or negative.

338locked holdout examples

01

Why it matters

Financial organizations process thousands of short textual signals—from news headlines and analyst comments to internal reports and customer communications. Reliable sentiment classification can be one building block for systems that help organize, prioritize and analyze this information.

One abstract language stream separated into three balanced analytical outcomes

02

Technical highlights

Task
Financial sentiment classification
Labels
Positive / Neutral / Negative
Dataset
Financial PhraseBank · AllAgree
Evaluation
Separate locked final holdout
Metrics
Accuracy · Macro-F1 · Balanced accuracy
Output validation
100% valid format

Final evaluation

A strong result, presented with its limits.

The selected candidate was evaluated once on a locked holdout of 338 examples. The final evaluation was accessed once; no final-test baseline comparison is claimed.

89.6%AccuracyFinal locked holdout
0.878Macro-F1Final locked holdout
0.865Balanced accuracyFinal locked holdout
100%Valid output format338 / 338 examples
Final holdout performance on the locked final evaluationRecall by sentiment class on the locked final evaluation

The candidate was selected on a separate validation split. No baseline was run on the final holdout, and no final-test uplift is claimed.

03

What this demonstrates

01

Domain adaptation

Adapting a specialized 8B language model for financial language classification.

02

Evaluation engineering

Building reproducible pipelines with controlled validation and final-test boundaries.

03

Dataset governance

Keeping source, split, permission and publication decisions traceable.

04

Responsible communication

Publishing results with uncertainty, limitations and bounded claims.

04

Beyond model adaptation

The project also demonstrates the engineering system around the model: dataset governance, controlled evaluation, experiment reproducibility, publication discipline and responsible AI communication.

  1. 01Govern
  2. 02Separate
  3. 03Validate
  4. 04Test once
  5. 05Report

Intended use

This technical portfolio demonstrator showcases a reproducible AI evaluation workflow for specialized financial language.

It is not a production financial system and should not be used for investment, trading, credit or other financial decisions. Results apply only to this dataset, split and protocol.

05

Dataset and attribution

This experiment uses Financial PhraseBank, AllAgree configuration. ITYES does not redistribute the dataset. Its use in this limited demonstrator is presented with proper attribution and written permission from the dataset author.

Financial PhraseBank is associated with Aalto University and licensed under CC BY-NC-SA 3.0. No dataset examples, model weights or adapter files are published here.

Built with Llama. Llama 3.1 is licensed under the Llama 3.1 Community License, Copyright © Meta Platforms, Inc. All Rights Reserved.

Malo et al. (2014) · Good debt or bad debt ↗

About ITYES

ITYES builds AI systems for business automation, conversational AI and specialized language intelligence, with a strong focus on reproducibility, engineering quality and responsible AI.