BOSAi Indicator
- Indicators
- Version: 1.0
The indicator provided is a high-performance Break of Structure (BOS) engine built for MT4, designed around Smart Money Concepts (SMC) trading workflows. It scans the market history to identify critical market structure shifts with complete algorithmic precision.
Here is a breakdown of the core features, structural advantages, and input parameters.
Core Features & Trading Advantages
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Zero Repainting (Strict Confirmation): Signals are stamped exclusively on fully closed candles. Once an arrow appears on the chart, it never repaints, shifts, or disappears.
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True Body Breakouts: Unlike standard indicators that trigger signals on volatile wick extensions, this engine requires a candle close strictly above or below the target structure level.
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Automated Level Recycling: Once a swing high or swing low level is broken by a candle close, that specific structural level is instantly marked as "consumed" and deactivated. This prevents chaotic, overlapping duplicate signals in choppy markets.
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Performance Optimization: The underlying logic collapses traditional nested search loops into a streamlined tracking engine. This reduces CPU usage, allowing the tool to run smoothly across dozens of active charts simultaneously without freezing the MT4 terminal.
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Seamless Expert Advisor (EA) Integration: Built with dedicated, clean data buffers, algorithmic systems can instantly query the indicator using the standard iCustom() function to automate trade execution.
Input Parameters & Configurations
| Parameter Name | Default Value | Description |
| FractalBars | 17 | The structural strength setting. Represents the exact number of candles required on both sides of a peak or valley to confirm a valid swing high or swing low. Higher values isolate major macro trends; lower values capture micro-structure shifts. |
| MaxLookback | 300 | The structural memory horizon. Dictates how many bars into the past the engine will remember and track an unbroken structural level before letting it expire. |
| ATRMultiplier | 0.5 | Controls visual distance. Multiplies the current Average True Range (ATR) value to calculate the visual cushion between the candle wick and the printed signal arrow, keeping charts clean and legible. |
| ATRPeriod | 14 | The measurement window used by the ATR indicator to assess immediate market volatility for the arrow offset calculation. |
Technical Buffer Layout (For EAs)
If you are connecting this indicator to an automated trading robot, the data is mapped to the following structural streams:
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Buffer 0 (Bullish BOS): Returns the exact price plot for an upward structural break (Visualized as a Lime ▲ arrow below the candle). Returns EMPTY_VALUE if no signal is present.
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Buffer 1 (Bearish BOS): Returns the exact price plot for a downward structural break (Visualized as a Red ▼ arrow above the candle). Returns EMPTY_VALUE if no signal is present.
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Buffer 2 (Swing High Cache): Internal price storage map for active, unbroken market ceilings.
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Buffer 3 (Swing Low Cache): Internal price storage map for active, unbroken market floors.
