Multi BB Heat Vis - SMA/EMA/Breakout - r2
Dec 30, 2015

The Multi BB Heat Vis - SMA/EMA/Breakout - r2 indicator is a visual analysis tool that utilizes three stacked Bollinger Bands to represent market volatility and price pressure through a heatmap-style display.
Usage
The tool is primarily used to identify areas of overextension and trend exhaustion. By stacking three sets of Bollinger Bands with incremental multipliers, users can visualize the "heat" of a price move.
- Heat Visualization: As price moves further away from the basis, it enters outer bands, indicating increasing momentum or volatility.
- Breakouts: The script plots triangle shapes (up for bullish, down for bearish) when the price exceeds a specific breakout multiplier. This is independent of the visual bands, allowing for a "threshold" alert system for extreme moves.
- Trend Basis: Use the central basis line to determine the general trend direction. Users can toggle between SMA and EMA to suit their preference for responsiveness or stability.
Details
The script calculates a central basis and standard deviation based on a user-defined length. Unlike standard Bollinger Bands that use a single multiplier, this version calculates three distinct upper and lower zones:
- Zone A: Base Multiplier.
- Zone B: Base Multiplier + Multiplier Increment.
- Zone C: Base Multiplier + (2 * Multiplier Increment).
The breakout signals use a separate boMult calculation but share the same lookback period and basis as the bands. This ensures that breakout signals are mathematically consistent with the volatility context shown by the bands.
Settings
- Use EMA Basis?: Toggles the central moving average between a Simple Moving Average (SMA) and an Exponential Moving Average (EMA).
- Bollinger Length: The lookback period used for the moving average and standard deviation calculations.
- Bollinger Source: The price source used for the Bollinger Band calculations (default is open).
- Base Multiplier: The standard deviation multiplier for the innermost band (Zone A).
- Multiplier Increment: The value added to the base multiplier to create the second and third stacked bands.
- Breakout Multiplier: A separate multiplier used specifically for triggering breakout shape signals.
- High Break Source: The price source checked against the upper breakout threshold (default is high).
- Low Break Source: The price source checked against the lower breakout threshold (default is low).
FAQ
How do I interpret the different colored zones?
The zones act as a volatility gradient. Price reaching the outermost zones (Zone C) suggests a high-volatility environment or a potential overextension, while price staying within Zone A suggests a more stable trend.
Can I set alerts for the breakouts?
Yes, the script is optimized for alerts and will trigger a notification when the High Break or Low Break conditions are met on the bar close.
How can I access this script?
You can get access on the LuxAlgo Library for charting platforms like TradingView, MetaTrader (MT4/MT5), and NinjaTrader for free.
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