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Weixian Waylon Li

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#artificial intelligence May 2026

Summoning the Oracle to Slay It: Mitigating Look-Ahead Bias in Financial Backtesting with Large Language Models

FinCAD is proposed, an inference-time adaptation of Context-Aware Decoding that attenuates contributions from memorised historical outcomes without retraining and raises the subset-averaged in-sample/out-of-sample Spearman correlation on an eleven-model leaderboard.

Weixian Waylon Li, Mengyu Wang, Tiejun Ma · arXiv.org · 2 citations