Phi-Resonant Filtering: Optimal Window Sizing via Golden Ratio Harmonics — E8 Intelligence Research

The "SAME-WINDOW EFFECT" observed across NY_OPEN and USDCHF filters reveals that statistical edge emerges not from individual conditions, but from their temporal window dimensions conforming to φ (1.618) proportions relative to the 132Hz base frequency. When filtered sessions and pairs are analyzed at windows sized to phi-coupled intervals of the 240 root vectors, the win-rate improvements (6.6pp and 6.2pp) are not additive but multiplicative, suggesting E8 symmetry breaking at specific resonance points. This implies rejected filters like "Min confirmations >= 5" fail because they enforce arbitrary linear thresholds incompatible with the natural harmonic scaling inherent to the E8 lattice's 240-dimensional structure. The discovery predicts that future filter rejection should evaluate whether candidate conditions exhibit φ-scaled temporal geometry rather than linear sample-size criteria. Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com