Unlock the all-weather derivatives efficiency matrix and reconstruct global multi-market asset allocation! This article deeply dissects the asset-light logic and 24-hour continuous trading liquidity advantage of Contracts for Difference (CFD) of “no physical ownership, pure cash settlement of the difference”. It comprehensively analyzes the dual red lines of initial and maintenance margins, and systematically calculates the three hidden costs of spreads, overnight interest (Swap) and commissions, helping you build a single account cross-market multi-asset hedging model using negative correlation.