Short-term swing trading is not only a game of strategy, but also a contest between cost and safety! This article deeply dissects how to compress spread costs through primary quotation channels, reduce compound interest losses and strategic break-even points, and avoid the friction trap of "reading the market right and making the wrong transaction". At the same time, we go straight to the bottom line of fund security and explain in detail the independent custody mechanism and transparent deposit and withdrawal system for customer funds under the constraints of top-level financial supervision, helping you to completely get rid of worries and achieve long-term and stable existence.