Penetrate the underlying structure of global derivatives and use a technology-neutral infrastructure system to reconstruct the risk management boundaries of senior traders! This article provides in-depth compliance knowledge on the four major professional configuration dimensions of Contracts for Difference (CFD): dismantling the defensive application of using short positions and hedging positions (Hedging) to lock in spot portfolio profits; analyzing the order execution stability of the NDD straight-through processing architecture and multi-bank aggregated liquidity pools in highly volatile macro events such as non-agricultural and CPI; starting from the trust anchor point of independent fund isolation custody and disaster recovery systems, and detailing the value of low deposit thresholds for multi-account management and algorithmic backtesting of funds.