In the era of algorithmic confrontation, how can advanced traders build a digital war room? This article deeply dissects the multi-time frame linkage and custom indicator ecology of MT4/MT5 advanced charts. Comprehensive analysis of the practical application of the MQL intelligent EA trading system in overcoming human weaknesses and quantitative historical backtesting, and revealing the depth of institutional-level liquidity under distributed low-latency order routing technology and pure NDD mode, helping investors gain intuitive insight into the intentions of the fund game in the order book.