You can create a text file with the following format, name it _yourstockname.csv and add it to inside the QT folder.
Date,Open,High,Low,Close,Volume,Adj Close
2018-03-29,238.090,240.840,234.760,235.650,4671145.000,235.650
2018-03-28,244.080,246.930,235.600,236.680,4174405.000,236.680
2018-03-27,248.080,254.250,241.600,244.370,6309121.000,244.370
2018-03-26,247.670,248.830,240.510,247.730,4559848.000,247.730
2018-03-23,243.380,245.215,240.405,242.480,5845337.000,242.480
2018-03-22,242.030,246.720,241.500,243.570,4215848.000,243.570
2018-03-21,240.580,250.590,240.060,246.000,5439448.000,246.000
2018-03-20,245.100,248.050,241.280,242.360,6121449.000,240.648