https://miasyster.github.io/en/tags/factor-research/Recent content in Factor Research on AI + Quant EngineeringHugoenMon, 27 Apr 2026 00:00:00 +0000https://miasyster.github.io/en/posts/anti-overfit-is-architecture/Mon, 27 Apr 2026 00:00:00 +0000https://miasyster.github.io/en/posts/anti-overfit-is-architecture/Most backtest systems treat anti-overfit as an optional add-on check — run the backtest, then test for overfitting if you feel like it. QuantGPT builds it into the scoring system and evolution engine: anti-overfit results directly affect factor scores, and the evolution engine reads anti-overfit metrics to decide its next strategy. Factors that haven’t proven robustness don’t even qualify for iteration.