Quantitative analysis demonstrates directional trade filtering across intraday market sessions, suggesting opening price momentum reinforces trend continuation.
{ "name": "opening_range_direction_continuation", "source": "Toby Crabel - Day Trading with Short Term Price Patterns and Opening Range Breakout", "type": "filter_flag", "rule": "Only allow long trades when the opening range (first 30 minutes) closes above the prior day's high, and only allow short trades when the opening range closes below the prior day's low; all other setups are skipped.", "pseudocode": "if bar.time == session_start: OR_high = max(high of first 30min) OR_low = min(low of first 30min) bar.time == session_start + 30min: OR_close = close if OR_close > prior_day_high: direction = 'long_only' else if OR_close < prior_day_low: direction = 'short_only' else: direction = 'neutral' each subsequent bar: if direction == 'neutral': skip signal else: allow only signals matching direction", "why_it_works": "This captures the well-documented opening range breakout persistence effect where a strong ope Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
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Andrew Stewart Caldin (2026) studied this question.
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