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![\includegraphics[width=0.7\textwidth ,bb=0 0 294 186]{PriceTouchedBandAndReboundedRetreatedFromBand.png}](images/img-0071.png)
Buy - Price rebounds from lower band
Sell - Price retreats from upper band
Parameters available:
Period - the number of periods used in the calculation of moving average
Exponential - Select ’yes’ to use exponential moving average otherwise use simple moving average
Envelope - the percentage used to calculate upper band and lower band
x(%) - the minimum percentage of amount that price rebounded(buy)/retreated(sell) from limit
x Margin(%) - if value is set to 1 means price rebounded(buy)/retreated(sell) within x +/- 1%
t - the maximum number of periods for the rebound/retreat to happen
Rule type - please refer to 140 for details
Data type - please refer to 141 for details
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