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Spread Addition (SPA)

Description
With the aid of the function Spread Addition, two elements are added. For example, one can add the Standard Deviation + Standard Deviation + an MA over 20 periods, and thus emulate the Bollinger Band.

Calculation
Addition of one instrument with the other.

Parameters
With a scaling factor, the instruments can be brought to the same size, if required for a better understanding. The parameter can assume any value. The standard setting is 1.

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