[x] gold SPDR ETF (already downloaded by Miguel's ETF code)
WARNING 01: The WorldBank data is messy. Downloaded files represent the entire world (not the US alone), and the timestamp (in years) is pivoted, such that each column represents a year, and each row represents a country.
inspired by the array of data that Quantopian hands out for free
WARNING 01: The WorldBank data is messy. Downloaded files represent the entire world (not the US alone), and the timestamp (in years) is pivoted, such that each column represents a year, and each row represents a country.