Time-Series Analysis of 9 Etfs combined


I have combined 8 seemingly low-correlated ETFs.
I would like to combine the price of these ETFs and plot a chart to see how a combined investment in these 89ETFs
would have done over the last X years.
I have just basic knowledge of statistics.
Is there a excel / google sheets spreadsheet where I could just load the time-series data of each ETF into
to get my answers?



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