metals cross correlations dear all , i have completed the cross - correlation study for the seven metals we have data for - will complete for gold , silver and cocoa . i have also attached the spreadsheet . correlations based on log - returns , 21 , 42 or 63 business days for either front month only or average of entire futures curve - please see data below or drill into spreadsheet . we can choose the most appropriate time - bucket and whether to use front month or " average of curve " data . regards , anjam x 35383 spreadsheet :