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Category
Indicator Functions
Description
On Balance Volume indicator
Syntax
OBV(len)
Parameters
len - lookback period
Notes
Traditional OBV is simply the sum of up-bar volume minus the sum of down-bar volume for the specified period.
RealTest divides this value by the sum of all volume for the specified period to express it as a percentage.
This indicator could be written as (Sum((C > C[1]) * V, len) - Sum((C < C[1]) * V, len)) / Sum(V, len).
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