https://kimchibot.com/tags/overfitting/ Recent content in Overfitting on KimchiBot Hugo en-us Mon, 06 Apr 2026 12:00:00 +0000 https://kimchibot.com/posts/how-to-avoid-overfitting-in-trading-bots/ Mon, 06 Apr 2026 12:00:00 +0000 https://kimchibot.com/posts/how-to-avoid-overfitting-in-trading-bots/ Overfitting is the #1 killer of trading bots. Here’s a practical checklist to detect and prevent it, based on real experience. https://kimchibot.com/posts/the-backtest-looked-amazing-it-was-lying/ Sun, 05 Apr 2026 00:00:00 +0000 https://kimchibot.com/posts/the-backtest-looked-amazing-it-was-lying/ My momentum bot showed incredible returns in backtests. Then I learned about overfitting — the hard way. https://kimchibot.com/posts/parameter-optimization-without-fooling-yourself/ Sat, 21 Mar 2026 00:00:00 +0000 https://kimchibot.com/posts/parameter-optimization-without-fooling-yourself/ Grid search found parameters that turned -82U into +343U. Here’s how I made sure it wasn’t just overfitting.