Bollinger Bands 2SS 3SS-Parabolic SAR-DEMA

The Bollinger Bands 2SS 3SS-Parabolic SAR-DEMA indicator combines several classic technical analysis tools into a single overlay to help traders identify volatility ranges, trend direction, and potential reversal points. By integrating dual-standard deviation Bollinger Bands with the Parabolic SAR and a Double Exponential Moving Average (DEMA), it provides a comprehensive view of market structure and momentum.

Usage

The indicator can be used to identify various market conditions:

• Volatility Analysis: Two sets of Bollinger Bands are plotted. The inner bands (Multiplier 1) represent standard volatility, while the outer bands (Multiplier 2) highlight extreme price extensions or "squeeze" conditions.
• Trend Following: The DEMA provides a faster-reacting moving average compared to a standard EMA, helping to identify the immediate trend direction with reduced lag.
• Reversal Identification: The Parabolic SAR (displayed as crosses) indicates potential trend exhaustion or reversal points. When price crosses the SAR, it may signal a shift in momentum.
• Breakout Scanning: Traders can look for price action interacting with the outer Bollinger Bands while confirming the trend direction using the DEMA and Parabolic SAR position.

Details

The script executes calculations for four distinct components:

1. Bollinger Bands: Calculates a Simple Moving Average (Basis) and two sets of bands based on user-defined standard deviation multipliers.
2. Parabolic SAR: Uses the standard acceleration factor logic to determine trailing stop-and-reverse levels.
3. DEMA: Calculated as (2 * EMA) - EMA(EMA), which reduces lag significantly compared to simple or exponential moving averages, making it more responsive to recent price changes.
4. Alerts: The script includes built-in alert conditions for Parabolic SAR flips and price crossovers with the DEMA.

Settings

• BB Length: Determines the lookback period for the Bollinger Bands basis and standard deviation.
• Source: The price data used for all calculations (default is Close).
• BB Multiplier 1: The standard deviation multiplier for the inner set of Bollinger Bands.
• BB Multiplier 2: The standard deviation multiplier for the outer set of Bollinger Bands.
• SAR Start: The initial acceleration factor for the Parabolic SAR.
• SAR Increment: The step value for the acceleration factor as the trend persists.
• SAR Maximum: The maximum allowable acceleration factor for the Parabolic SAR.
• DEMA Length: The lookback period used for the Double Exponential Moving Average calculation.

FAQ

How do I interpret the dual Bollinger Bands?

The dual bands create "zones." Price staying between the inner and outer bands often suggests a strong trend, while price breaking outside the outer bands suggests an overextended market.

What makes the DEMA different from a regular MA?

The DEMA uses a double-calculation method to cancel out the inherent lag found in traditional moving averages, allowing it to stay closer to current price action.

How can I access Bollinger Bands 2SS 3SS-Parabolic SAR-DEMA?

You can get access on the LuxAlgo Library for charting platforms like TradingView, MetaTrader (MT4/MT5), and NinjaTrader for free.