The formula for calculating was proposed by Edwin Sedgwick Coppock in 1962 and published in Barron's Magazine.
The indicator is designed only for signalling about a bullish trend starting on the market. The calculation formula is not designed for bearish direction, but is sometimes is used by traders. Signal is generated when the indicator line crosses the zero level upwards.
The indicator has four input parameters:
Calculations:
Coppock(Period) = LWMA (ROC(Period ROC 1) + ROC(Period ROC 2))

MetaQuotes Ltd tarafından Rusçadan çevrilmiştir.
Orijinal kod: https://www.mql5.com/ru/code/20693
Average Modified Moving Average
Average Modified Moving Average.
McClellan_Summation_Index
Sherman and Marian McClellan Summation Index.