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From SEC Filings to Financial Signals: Evaluating LLMs on Stock Market Reactions

BACKGROUND
1 SIGNALFIRST DETECTED 20 October 2026
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26 Mar
CN-Buzz2Portfolio: A Chinese-Market Dataset and Benchmark for LLM-Based Macro and Sector Asset Allocation from Daily Trending Financial News

arXiv:2603.22305v1 Announce Type: cross Abstract: Large Language Models (LLMs) are rapidly transitioning from static Natural Language Processing (NLP) tasks including sentiment

REPORT · WHAT · ArXiv CS.AIOPEN STORY
8 Apr
TFRBench: A Reasoning Benchmark for Evaluating Forecasting Systems

arXiv:2604.05364v1 Announce Type: new Abstract: We introduce TFRBench, the first benchmark designed to evaluate the reasoning capabilities of forecasting systems. Traditionally,

REPORT · WHAT · ArXiv CS.AIOPEN STORY
30 Apr
Persuadability and LLMs as Legal Decision Tools

arXiv:2604.26233v1 Announce Type: new Abstract: As Large Language Models (LLMs) are proposed as legal decision assistants, and even first-instance decision-makers, across a range

REPORT · HOW · ArXiv CS.AIOPEN STORY
12 Sept
Same Day, Same Story; One Day Ahead, a Different Signal: The Dual Validity of Financial Sentiment

arXiv:2609.11144v1 Announce Type: new Abstract: Financial NLP has a standard workflow: validate a sentiment tool against human labels, then trust it to extract market signal. This

REPORT · WHERE · ArXiv CS.AIOPEN STORY
4 Aug
FinDeepIndicator: Benchmarking Deep Research Agents in End-to-End Financial Indicator Construction

arXiv:2608.00764v1 Announce Type: new Abstract: Financial indicators are essential tools for transforming raw financial data into interpretable measures for various downstream

REPORT · WHAT · ArXiv CS.AIOPEN STORY
28 Aug
CIFQA: A Deterministic Tool-Grounded Multi-Agent LLM Framework for Financial Query Answering

arXiv:2608.26114v1 Announce Type: new Abstract: Calculation-intensive financial question answering requires exact reasoning over structured rates, temporal conditions, numerical

REPORT · WHEN · ArXiv CS.AIOPEN STORY
7 Sept
When Financial Fine-tuning Fails: A Three-Level Detectability Analysis of Numerical Hallucination in Domain-Adapted Language Models

arXiv:2609.04806v1 Announce Type: new Abstract: Financial large language models are increasingly deployed for summarization of reports and disclosures, where numerical

REPORT · WHERE · ArXiv CS.AIOPEN STORY
2 Oct
Measuring the Microtask Eligibility Gap: When Is an Off-the-Shelf SLM Enough for an Agent Harness?

arXiv:2610.00025v1 Announce Type: new Abstract: Agent harnesses increasingly want to run small language models (SLMs) on the microtasks around a frontier large language model

REPORT · WHEN · ArXiv CS.AIOPEN STORY
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