AAAAfMcClellan_SumIndexMcClellan Summation IndexŰThe McClellan Summation Index is a market breadth indicator developed by Sherman and Marian McClellan. It is a long-term edition of the McClellan Oscillator and its understanding is alike to that of the McClellan Oscillator except that it is more suitable to the most significant trend reversals. For interpretation refer to "Patterns for Profit", by Sherman and Marian McClellan. The summation index is plotted by attaching the CumSum function to the McCllellan OscillatorrAAAACumSum@\EXPRqAAAArAAAAEMAColumnrAAAACloseAgooAAAAAAAALengthoAAAA3@AAAArAAAAEMAfColumnrAAAAClosečŘAgooAAAAAAAALengthoAAAA€C@AAAAAAPERIODoAAAA@o@AAAAAA