1 In Yahoo Finance, go to the Historical Data section and download the last 250 index closures. 2 Make a Copy / Paste in this worksheet of the "Date" and "Close" columns. 3 Do the same for the Gold index: Make a Copy / Paste in this worksheet of the "Date" and "Close" columns 4 With these data, the accumulated correlation must be computed alone. 5 The graph uses the data you input to form. 6 Analyze the behavior of the correlation factor during the time series.