=RHistory(C1,"LAST_QUOTE.Timestamp;LAST_QUOTE.Close","START:09-Oct-2000 INTERVAL:1MO",,"TSREPEAT:NO SORT:ASC CH:Fd",C3)
C1="NA-SAS-MFZ"
C3="Timestamp"
Every approach so far pretty much fail along these lines.
( Instrument LAST_QUOTE.Timestamp LAST_QUOTE.Close
#0 NA-SAS-MFZ NaN NaN, [{'code': 251658244, 'col': 1, 'message': "Error: Field 'LAST_QUOTE.Timestamp'
#was not found in response for the instrument 'NA-SAS-MFZ'", 'row': 0}, {'code': 251658244, 'col': 2, 'message': "Error: Field
#'LAST_QUOTE.Close' was not found in response for the instrument 'NA-SAS-MFZ'", 'row': 0}])