Box-Aroon RMSE Volatility Expansion

Family: breakout · Regime: trending · Complexity: high · Asset classes: FX, Crypto, Equities · Timeframes: H1, H4, D1

Thesis

Market trends are most reliable when they emerge from a low-volatility 'box' consolidation, confirmed by both time-since-extremes (Aroon) and candle-size momentum (Size H/L). By using RMSE (Root Mean Squared Error) instead of standard ATR for risk, we can adjust exposure based on the 'cleanliness' of the price action relative to its moving average, reducing risk when the market is noisy.

Components

• Boxline (Range Breakout) (regime) — Acts as the primary regime filter, ensuring the strategy only executes when price escapes a period of consolidation.
• Aroon (direction) — Provides directional bias by measuring the time since the last 25-period high/low; used to confirm a trending environment post-breakout.
• MMT Ichi Workflow Overlay Profiles (entry) — Provides the high-probability entry trigger using Ichimoku cloud structure and multi-timeframe scoring.
• Average True Range (NNFX) (exit) — Provides a volatility-adjusted exit mechanism (trailing stop) to capture trend extension.
• Root Mean Squared Error (RMSE) (risk) — Quantifies 'market noise' or deviation from a mean; used to dynamically adjust stop-loss distance and position size.
• Size Highs and Lows 2 (confirmation) — Validates the breakout by ensuring the absolute size of candles in the breakout direction is expanding relative to recent history.

Known failure conditions

• Aroon values oscillating rapidly between 30 and 70 without sustained trend.
• Consecutive Boxline breakouts that immediately fail (whipsaw) due to low liquidity.
• RMSE remains consistently high (above 2.0x ATR), indicating the model error is too high for reliable entries.

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