Regress Period

Returns a regressed date for the given parameters

Query Parameters:


startDate: Date to be regressed. Formatted as yyyyMMdd.


period: Period used to regress the StartDate.
Supported Values: DA = Days, WE = Weekly, BW = Bi-Weekly, SM = Semi-Monthly, S4 = Semi-Monthly (14 Days), 28 = 28 days, MO = Monthly,
BM = Bi-Monthly, QU = Quarterly, SA = Semi-Annually, AN = Annually.


dayValue: Supported Values: 1 through 31.


numberOfPeriods: Number of Periods, with a default value of 1.