Change From High For Previous Day [ChangeFromPrevHigh]

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The Change From High For Previous Day function returns the change in a value from the high price for the previous trading day. This function is primarily used for intraday data. Parameters ------------------ Value         The value to compare to the high price for the previous day.                   Note: This value will typically also be the closing price, but can be any current value. High          The high price of the security for each bar of an intraday data series. Note that while this function is intended for use with these specific values, any values can be used for these parameters, including other price values and averaged prices. Function Value ------------------------ This function returns the change in a value from the high price for the previous trading day. See "High For Previous Day" for information about how that value is caluclated. The value for the first day of the data series is not set since there is no previous high price on the first day.