Look-Ahead Bias: The Backtest Killer
Look-ahead bias is future data leaking into a backtest. See how same bar decisions, survivorship, and revised figures inflate results, and how to test for it.
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Look-ahead bias is future data leaking into a backtest. See how same bar decisions, survivorship, and revised figures inflate results, and how to test for it.
Multi-agent AI trading systems run LLM committees on a trade. See the architecture, the market costs a signal clears, and the backtest traps involved.