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Ke-Wei Huang

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#machine learning Preprint Sep 2026

Retrieval-Augmented Diffusion Modeling for Stochastic Discount Factor Portfolios

RADAR is introduced, a retrieval-augmented diffusion framework that learns market representations by conditioning on similar historical regimes that achieves state-of-the-art performance on key risk-adjusted metrics while producing economically meaningful signals on asset returns and correlations.

Kelvin J. L. Koa, Xin-Yang Li, Ke-Wei Huang · 0 citations
#artificial intelligence Preprint Sep 2026

Self-Evolving Multi-Agent Symbolic Discovery for Financial Fundamental Analysis

The proposed Multi-Agent Fundamental Analysis with Symbolic Adaptive learning (MUFASA), a hierarchical multi-agent framework for symbolic discovery in finance, achieves state-of-the-art performance on the valuation task compared to classical finance methods, financial large language models, and SR approaches.

Kelvin J. L. Koa, Filip Orestav, Sheng-Qiong Wu et al. · 0 citations
#artificial intelligence Preprint Aug 2026

SPACE: Sample-cloud Predictive Adaptive Conformal Ellipsoids for Multivariate Time-Series Forecasting

SPACE is proposed, a conformal wrapper for sample-generating multivariate forecasters that consistently brings realized joint and rolling coverage closer to the nominal target, achieving superior coverage-efficiency tradeoffs relative to competing wrappers.

Baishi Li, Kelvin J. L. Koa, Ke-Wei Huang · 1 citation

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