In-depth analysis of the full cycle cost of CFD transactions: from the implicit threshold of spreads, the transparent consideration of commissions to the time value game of overnight interest (Swap). This article teaches you how to calculate the true cost of "spread + commission", reveals the triple interest trap on Wednesday, and explains in detail how WMAX can help you optimize capital utilization through STP mode and transparent swap rate inquiry, and achieve refined transactions and long-term net worth growth in the complex market conditions of 2026.