New edge proposed: larry_williams_80_percent_day — E8 Intelligence Research

Abstract

{ "name": "larry_williams_80_percent_day", "source": "Larry Williams, 'Long-Term Secrets to Short-Term Trading'", "type": "filter_flag", "rule": "Enter only if the current bar's tick-by-tick high (or low for shorts) is within 80% of the previous day's range, measured from prior day's high to low, and the bar opens outside the prior day's close (i.e., gap-fade premise).", "pseudocode": "prev_high = prior_day_high\nprev_low = prior_day_low\nprev_close = prior_day_close\nrange = prev_high - prev_low\nif direction == long:\n if low <= prev_low + 0.8 * range and open < prev_close:\n eligible = true\nelif direction == short:\n if high >= prev_high - 0.8 * range and open > prev_close:\n eligible = true", "why_it_works": "Markets tend to reverse after exhausting 80% of the prior day's range, creating high-probability mean-reversion entries at emotional extremes where retail overreacts to the gap." } Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com