Build a multi-dimensional derivatives trading strategy matrix and use systematic risk control methods to capture global cross-market opportunities! This article provides in-depth compliance and popular science on the four core practical strategies of Contracts for Difference (CFD): the range-wide sell-high and buy-low model based on RSI overbought and oversold, the two-way pending order anti-slip point method during the non-agricultural and CPI interest rate decision windows, the low-correlation multi-asset allocation hedging plan, and the iron law of indicator resonance between MACD trend momentum and the RSI entry window.