An in-depth analysis of the "yield trap" and screening logic in copy trading: a detailed explanation of why "maximum drawdown" is the primary indicator for evaluating traders' risk control capabilities. This article teaches you to use the WMAX tag system to achieve personality matching, build a cross-variety copywriting portfolio to smooth fluctuations through "diversified investment", and emphasizes the core role of simulated copywriting in establishing psychological expectations, helping you to keep your principal in the complex foreign exchange market of 2026.