Recherche & Preuves

A comprehensive evaluation of state-of-the-art LLMs on the CFA Level III exam. OpenAI o4-mini achieved a score of 79.1%, and Gemini 2.5 Flash reached 77.3%, demonstrating expert-level financial reasoning capabilities.

This study compares dictionary-based methods with modern LLMs for sentiment analysis. Strategies based on OPT-66B generated a Sharpe Ratio of 3.05, significantly outperforming traditional methods (Sharpe 1.23).

Presents QuantAgent, a multi-agent system that divides trading into specialized roles (Indicator, Pattern, Trend, Risk). Achieved 111.87% annualized return and a Sharpe Ratio of 2.02 in backtesting.

Introduces ChainEval to measure the quality of financial reasoning. Shows that Chain-of-Thought (CoT) prompting significantly reduces logic errors and that reasoning models correlate strongly with expert human judgment.

Explores the debate mechanism between opposing agents. The study finds that agent debate reduces hallucinations and improves risk-adjusted returns (Sortino/Sharpe ratios) compared to single-agent models.

Comparative analysis showing that Multi-Agent Systems (MAS) offer superior accuracy for complex tasks. A hybrid architecture can improve precision by 1.1% to 12% while optimizing inference costs.

Demonstrates that an ensemble of RL algorithms (PPO, A2C, DDPG) adapts better to market regime changes than individual algorithms, generating superior Sharpe ratios on the Dow Jones index.

A longitudinal study (2006-2023) on the CSI 300 index showing that Support Vector Machines (SVM) generated an excess return of 60.52%, proving the long-term robustness of classical ML methods.

Integrates Modern Portfolio Theory constraints directly into the RL reward function (Deep Portfolio Optimization). Maximizes portfolio value while strictly adhering to risk constraints.

Proves that fusing textual data (news) with price action (FININ model) increases the daily Sharpe Ratio by +0.429 compared to using price data alone.

Research indicating that generative models (like GPT-4, DeepSeek) now outperform specialized older models (FinBERT) in zero-shot sentiment analysis tasks.

Shows that RL agents can learn optimal dynamic stop-loss policies that adapt to market volatility, significantly improving PnL and reducing maximum drawdown compared to static rules.

Validates the use of FPGA accelerators to achieve millisecond-level inference for complex ML models, maintaining >90% accuracy while enabling high-frequency execution.

Introduces a new alpha mining paradigm by introducing human-AI interaction and a novel prompt engineering algorithmic framework leveraging large language models. Alpha-GPT provides a heuristic way to understand quant researchers' ideas and outputs creative, insightful, and effective alphas.

Introduces LLMFactor, a novel framework employing Sequential Knowledge-Guided Prompting (SKGP) to identify factors influencing stock movements using LLMs. Extracts factors more directly related to stock market dynamics, providing clear explanations for complex temporal changes.

Introduces HedgeAgents, an innovative multi-agent system aimed at bolstering system robustness via hedging strategies. The framework features a central fund manager and multiple hedging experts, achieving 70% annualized return and 400% total return over 3 years.