Why do I receive incorrect results when using multiple overrides with the Bloomberg FETCH function in Datafeed Toolbox 3.1 (R2008a)?

When I use the Bloomberg FETCH function to receive data with the following overrides,

c_b = bloomberg

bb_data1 = fetch(c_b, 'ABM LN Equity','GETDATA','Net_income',...

     {'EQY_FUND_PER','EQY_FUND_YEAR'},{'SA1','2007'})

I receive NaN values,

 bb_data1 = 

   Net_income: NaN

However, if I use either one of those overrides separately, I receive the correct result. Furthermore, the Excel Bloomberg API gives me the correct result if both overrides are used.

Answer 1

[MathWorks Support Team]

This behavior occurs because 'SA1' is not a valid value for the EQY_FUND_PER override as confirmed with Bloomberg data services. The valid override values are:

Y - returns the last fiscal year end (this is the default)

Q - returns the last quarter end

Q1 - returns the Q1 of the year specified in DS324

Q2 - returns the Q2 of the year

Q3 - returns the Q3 of the year

Q4 - returns the Q4 of the year

S - returns the last semi-annual period

S1 - returns the 1st semi-annual period of the year

S2 - returns the 2nd semi-annual period of the yea

Replacing SA1 with S1 in the above function call returns the expected value.