https://etherpoc.com/en/tags/donchian/Recent content in Donchian on FX Backtest DiaryHugoenFri, 24 Jul 2026 00:00:00 +0000https://etherpoc.com/en/posts/gold-trend-birth/Fri, 24 Jul 2026 00:00:00 +0000https://etherpoc.com/en/posts/gold-trend-birth/<p>A strategy that made money on every single parameter setting nearly lost 7.2% of the account in one day. The culprit was not a failed stop loss. It was the open profit the strategy had spent months accumulating. This article traces the family history of the gold trend strategy inside my EA: how it was born, how a 1-minute stress test exposed its structural weakness, and how a two-entry experiment ended up choosing its final form. Three studies (16, 17 and 50 in my research log), one story.</p>