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Xin-Yang Li

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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