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• Channel20  is very simple, but very useful, this idea is well known and I just write it.This indicator calculates the highest and the lowest rate of the last N candles (N is an input who is initially  20) this is very useful for detecting new tendencies if the rate break the Channel20 .

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  the source code is divided in 2 parts

1. the channel20 source code (indicator)
2. the library wich includes the fuction used by the indicator