Articles 145Confirmed systems 5Rejected methods 44Categories 8A +33.8% backtest fell to -3.0% in …A 75.5% win rate that lost 26%: …A PF 1.03 YouTube strategy became …A trading course coded whole …An index sleeve broke my 0.47% …Changing only when and how much I …Chasing 3% a month means a 70% …Five times I doubted the system …I tested 12 mechanisms to …My AI position sizer lost to a … Articles 145Confirmed systems 5Rejected methods 44Categories 8A +33.8% backtest fell to -3.0% in …A 75.5% win rate that lost 26%: …A PF 1.03 YouTube strategy became …A trading course coded whole …An index sleeve broke my 0.47% …Changing only when and how much I …Chasing 3% a month means a 70% …Five times I doubted the system …I tested 12 mechanisms to …My AI position sizer lost to a …

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解説 2026-07-24 Why a 0.85% monthly backtest becomes 0.7% in a live account, measured cost by costRisk management