Say goodbye to high principal pressure and use the margin mechanism to easily deploy the global market! This article provides an in-depth analysis of how Contracts for Difference (CFD) achieve low-threshold capital efficiency, and comprehensively analyzes the margin call (Margin Call) and liquidation triggering rules. At the same time, we explain in detail the practical application of intelligent risk control tools such as long-short two-way profit mechanism and trailing stop loss, and reveal the underlying security logic of top-level compliance supervision by FCA and ASIC and the isolation and storage of independent trust accounts.