DATE,HOUR,A,B,C,D
20010102,230100,1.5989,1.5990,1.5988,1.5988
20010102,230200,1.5988,1.5988,1.5988,1.5988
20010102,230300,1.5990,1.5991,1.5990,1.5991
20010102,230400,1.5991,1.5991,1.5991,1.5991