On Nigerian financial news from 2010 to 2024, logistic regression with TF-IDF outperformed FinBERT and a predefined GPT-4 approach for predicting NGX index direction, with 81.83% accuracy.
FinBERT: A pre -trained financial language representation model for financial text mining
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Innovative Sentiment Analysis and Prediction of Stock Price Using FinBERT, GPT-4 and Logistic Regression: A Data-Driven Approach
On Nigerian financial news from 2010 to 2024, logistic regression with TF-IDF outperformed FinBERT and a predefined GPT-4 approach for predicting NGX index direction, with 81.83% accuracy.