FinVector-Market-4B adapts Qwen with rank-16 LoRA for structured financial tasks; JSON-schema contracts boost base-model validity to 91.3% and improve FinQA exact-match from 14.7% to 40.0% under explicit prompting
Read the original at arxiv.org→arXiv:2610.08882v1 Announce Type: new Abstract: FinVector-Market-4B adapts Qwen/Qwen3.5-4B with rank-16 LoRA on a 22,000-example corpus for structured financial tasks. We evaluate the base and adapted models on the...
Original headline: "FinVector-Market-4B: A Controlled Study of LoRA Adaptation for Structured Financial Tasks"
Coverage timeline
- Oct 8, 04:00 UTC arXiv cs.LG lead source FinVector-Market-4B: A Controlled Study of LoRA Adaptation for Structured Financial Tasks