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Supply/Demand Zones (Synthetic SMA Candles)

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Supply/Demand Zones (Synthetic SMA Candles)

Created by The_Forex_Steward

This indicator highlights institutional-style supply and demand zones using synthetic SMA-based candles rather than raw price data. It provides a smoother, more refined view of price action to help identify key imbalance areas where price is likely to react.

Features:
- Uses SMA-smoothed synthetic candles to detect bullish and bearish engulfing structures
- Draws demand zones after bullish breakouts and supply zones after bearish breakouts
- Zones are persistent for a customizable number of bars
- Mitigated zones can optionally be removed from the chart
- Includes alerts for breakout and mitigation events
- Optional plotting of synthetic candles over price for visual clarity

How It Works:
When a synthetic candle closes above the high of a previous bearish candle, a bullish engulfing is detected, and a demand zone is created from that bearish candle’s high and low. Conversely, when price closes below the low of a previous bullish candle, a supply zone is formed. These zones stay on the chart for the user-defined duration or until they are mitigated by price, at which point they can be removed automatically.

How to Use:
- Adjust the SMA Length to control how smooth the synthetic candles appear
- Enable or disable Show Supply Zones and Show Demand Zones as needed
- Set the Zone Duration to control how long each zone persists
- Use Delete Mitigated Zones to automatically remove zones when price returns to them
- Optionally enable Show Synthetic SMA Candles to see the candle logic used in detection
- Use the built-in alerts to stay notified of new zone creation or mitigation

Note: This tool is most effective when combined with structure or trend-based strategies for confirmation.
リリースノート
Input adjusted
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Updated input vocabulary and alerts
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Updated engulfment logic
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Mitigation logic updated- zones are automatically dimmed when mitigated
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HTF supply/demand options added
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Logic updated for less duplicate zones and zone accuracy: dependent of smaclose.
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Zones are now fit to higher/lower candle (between sma and htf candle) for safer more accurate zones
リリースノート
Dim mitigated boxes is now optional. Raw close input option added (triggers sooner).

Use SMA Close for more consistent results, use Raw Close input option for faster triggering.
リリースノート
New input toggle "Delete Broken Zones". Toggle off if you want to keep old zones
リリースノート
Updated zone accuracy. Supply zone highs and demand zone lows are now at true swing levels.
リリースノート
Default inputs changed for effectiveness. Charted example changed for clarity.
リリースノート
Bug fix (SMA candle overlay)

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