Unverified50% confidenceCautionExact time
Look-Ahead Bias is one of the most common and most fatal sources of error in quantitative backtesting; Transformer's causal mask circumvents look-ahead bias at the model architecture level, but the feature engineering stage still requires prevention at the engineering level.
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50%
Confidence
Long-term
Relevance
7/23/2026
First Seen
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Kronos金融基础模型：用AI读懂K线市场语言
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