A Test of Lookahead Bias in LLM Forecasts. - Zhenyu Gao; Wenxi Jiang; Yutong Yan (CoRR, 2025)

DatedGPT: Preventing Lookahead Bias in Large Language Models with Time-Aware Pretraining. - Yutong Yan; Raphael Tang; Zhenyu Gao; Wenxi Jiang; Yao Lu (CoRR, 2026)