Getting the Commodities seem simple enough. I guess its the "Futures-and-Options Combined Reports:" you are looking at? And getting the COT by calculating the difference between "Comm_Positions_Long_All" and "Comm_Positions_Short_All" using the ...

Free Economic Indicators: COT, US data and more to come!

Thanks for this awesome indicator, very useful! May I ask how you calculate the COT combined data for the commercial spec based on the CFTC data? Im trying to backtest and get the numbers into excel but cant figure it out.. =/

Free Economic Indicators: COT, US data and more to come!