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BB Trend Indicator

BBTrend is a relatively new indicator developed by John Bollinger to work with Bollinger Bands™. It is one of only a few indicators that can signal both strength and direction making it a very valuable tool for traders.


Calculations

The calculations are fairly simple. The default periods of 20 and 50 are shown, but these can be changed through the parameters.

Lower = MathAbs(lowerBB(20) - lowerBB(50))

Upper = MathAbs(upperBB(20) - upperBB(50))

BBTrend = (lower - upper) / middleBB(20)


Interpretation

  • Bullish trend = BBTrend above zero
  • Bearish trend = BBTrend below zero

The degree above or below zero determines the strength or momentum behind the trend.


Parameters

  • Shorter Bands Period – the shorter period for the Bollinger Bands used in the calculation.
  • Longer Bands Period – the longer period for the Bollinger Bands used in the calculation.
  • iBands Shift – “shift” used by both the longer and shorter Bollinger Bands (iBands) calculations.
  • iBands Deviation – “deviation” used by both the longer and shorter Bollinger Bands (iBands) calculations.


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