https://etherpoc.com/en/tags/trading-costs/Recent content in Trading Costs on FX Backtest DiaryHugoenFri, 24 Jul 2026 00:00:00 +0000https://etherpoc.com/en/posts/production-costs/Fri, 24 Jul 2026 00:00:00 +0000https://etherpoc.com/en/posts/production-costs/<p>A system that backtests at 0.85% per month earns about 0.7% in a live account. That is my measured answer, and the interesting part is where the missing piece goes. The monthly return itself barely bends. What deepens is the drawdown, by an extra 1.5 to 2 percentage points, because costs attack the risk side of the ledger before they touch the profit side.</p>