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Cumulative Sum of a Technical Indicator

by Patrick Fonce, 2821 days ago
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Cumulative sum or running total of a technical indicator refers to the algebraic sum of all previous values of this technical indicator.

The Cumulative sum formula is as follows:

A = B + C * previous value of A

This trading indicator is implemented in CSharp. It allows you to easily use the cumulative sum of a technical indicator in QuantShare language.

The indicator name is "cumTI" and it has two parameters:
Series: Series or technical indicator used in the cumulative sum; this series is equal to "B" in the above formula.
Factor: Factor that is used to multiply the previous values of A; the factor is equal to "C" in the above formula.

This function is mainly used to create an indicator that requires previous result of its own calculation.

A 20% exponential moving average for example is implemented in Metastock using the following formula:

a = (close*0.2)+(0.8*PREV);

Using this cumulative sum function, you can create this moving average by typing:

a = cumTI(close*0.2, 0.8);

This is equivalent to:

a = (close*0.2) + (0.8 * previous value of a)

Many other trading indicators or market composites can be implemented using the "cumTI" function. Example: On Balance Volume, McClellan Summation Index, Advance-Decline Line ...


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Type: Trading Indicator

Object ID: 1114


Country:
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Market: All

Style:
Technical Analysis

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