RQL Box MT4
- Индикаторы
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Zoltan Nagy
BigoZ | MQL5 / MT5 Developer - Версия: 1.0
RQL_BOX Indicator — English Description (How to Use)
What it does
RQL_BOX is a manual range box tool controlled by two draggable vertical lines:
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LEFT handle (v-line): selects a candle on a chosen timeframe and sets the box High/Low to that candle’s wicks.
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RIGHT handle (v-line): defines how far to extend the box to the right (projection end).
It then draws:
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the main box (range),
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optional top/bottom 20% zones,
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an optional 50% midpoint line,
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and an on-chart info panel with key metrics.
How to use (step-by-step)
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Choose the candle timeframe
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InpBoxTF = the timeframe used for the LEFT candle selection (e.g., H4 / D1).
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Drag the LEFT vertical line onto the candle
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The box will snap to the selected candle and use its High/Low (wick-to-wick) as the box boundaries.
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If enabled:
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InpSnapLeftToBar = true snaps the LEFT handle to the candle’s open time.
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Drag the RIGHT vertical line to set the box end
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The RIGHT handle is only the projection end time (how long the box is drawn forward).
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If enabled:
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InpSnapRightToBarIfPast = true snaps the RIGHT handle to candle opens only when placed in the past (future stays free).
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What the chart drawing represents
Main Box (Range)
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Based on the selected candle’s wick range: Box High / Box Low.
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Visual settings:
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InpBoxFillColor + InpBoxFillAlpha
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InpBoxBorderColor + InpBoxBorderWidth
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Entry Zones (Top/Bottom 20%)
If InpShowZones = true :
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Top 20% zone (upper part of the box)
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Bottom 20% zone (lower part of the box)
Settings:
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InpTopZoneColor + InpTopZoneAlpha
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InpBottomZoneColor + InpBottomZoneAlpha
Midpoint (50%)
If InpShowMid = true :
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A dashed 50% midpoint line across the box.
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Settings:
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InpMidColor / InpMidWidth
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Info Panel (What it tells you)
The panel provides real-time metrics for the selected box:
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Left candle TF — the timeframe used to read the selected candle ( InpBoxTF )
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Box High / Box Low — wick-based boundaries
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Range — Box High − Box Low (in points)
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Midpoint — 50% level of the box
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20% Thr — 20% of the box range (used for zone size and validation)
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End (right) — the time where the box projection ends (RIGHT handle)
Optional 8:45 Candle Range Check
If InpUse845 = true , the panel also displays:
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8:45 Range for the selected InpAnalysisDate , found on Inp845TF at Inp845Hour:Inp845Minute
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A simple validity check:
8:45 range ≥ 20% of box range -
Status:
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No Data if the candle can’t be found in history
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Otherwise shows the range and a ✓ / ✗ style result (color-coded)
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Typical use cases
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Context box for intraday trading: pick an H4/D1 candle as a framework, trade reactions inside/around the range.
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Premium/discount style zones: top 20% vs bottom 20% for directional bias or mean-reversion setups.
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Fast visual backtesting: drag the LEFT handle across historical candles and observe how price behaves relative to the box.
Recommended default setup
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InpBoxTF = H4 (or D1 for higher structure)
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InpSnapLeftToBar = true
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InpShowZones = true
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InpShowMid = true
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Enable InpUse845 only if you actually use the 8:45 rule in your workflow.
