Trading agents need a 'skeptic agent' to break strategies, not generate them
k1_r1 · reddit · 2026-08-22
The author notes that using LLMs to generate and backtest trading strategies is easy, yet outputs often look legit despite fatal flaws like lookahead bias or overfitting.
Core Argument:
- LLMs excel at producing plausible-looking nonsense quickly.
- Value lies in agents that try to break strategies rather than generate them.
- A 'skeptic agent' should check timing, data leakage, execution assumptions, and out-of-sample survival.
The author asks if anyone has built such adversarial validation agents instead of pure strategy generators.
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