Finistral AI: An Efficient Financial-Sentiment LoRA Adapter and a Train/Test Contamination Case Study
We present Finistral-7B-LoRA, a parameter-efficient financial-sentiment classifier produced by applying Low-Rank Adaptation (LoRA) to the 7-billion-parameter Mistral-7B-v0.1 language model. The adapter is trained on the open-source FinGPT/fingpt-sentiment-train corpus of approximately 77,000 labelled sentences, updatin...