Bollinger Plus

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Standard Bollinger Bands have one problem that never gets fixed. During high-volatility periods, the bands expand so far they stop being useful. The levels become meaningless and any signal generated in that state is noise. Bollinger Plus solves this with an ATR cap that keeps the bands at actionable levels regardless of what volatility is doing. The bands can only expand as far as the market's actual average range allows.

The second problem with standard bands is that they treat both sides equally in a trend. Bollinger Plus does not. When the market is in a confirmed directional move, the band in the trend direction widens to give price room to run while the opposite band tightens to act as a closer stop reference. In ranging conditions the bands stay symmetric. The degree of asymmetry is driven by R² trend strength, so it scales with how committed the market actually is.

Signals fire when price pierces an outer band and closes back inside. An ADX filter ensures those signals only appear when the market has trending structure behind them. A 200 EMA badge marks signals aligned with the dominant direction.

Key Features

• ATR-capped band width. Bands cannot expand beyond a configurable ATR multiple. No more useless wide bands during news spikes or volatility events.

• Trend-aware asymmetric bands. In a confirmed trend, the trend-side band widens and the stop-side tightens. Scaled by R² strength so asymmetry only appears when the market has earned it.

• ADX chop filter. Band touch signals are blocked when ADX is below threshold. Signals only fire in conditions where a mean-reversion or continuation setup has real backing.

• Three middle band options. SMA for classic Bollinger behaviour, EMA for faster trend reaction, DEMA for reduced lag. Switch without changing anything else.

• 200 EMA confirmation badge. Band touch signals aligned with the dominant trend are marked with a + badge for instant identification.

• Cooldown between signals. Prevents multiple signals firing on a single band interaction.

• Alerts for every condition. Strong bullish, bullish, strong bearish, bearish, any band touch. Full coverage without watching the chart.

  
  

How To Use It

Add the indicator to any chart and start with default settings. In trending markets, use the asymmetric bands as dynamic support and resistance. The tighter stop-side band is your invalidation level. In ranging markets, watch for band touches. Price returning from the outer band toward the middle is the classic mean-reversion entry. Prioritise signals with the + badge when trading with the trend. Adjust the ATR Cap Multiplier if the bands are capping too aggressively on your instrument. Set alerts for band touches and let the indicator do the watching.