Here are the charts of the four commodity indices Bloomberg features on their commodity page:
S&P GSCI
UBS Bloomberg CMCI
Rogers Intl
RJ/CRB Commodity
Early by three months, which explains my comment in the above link:
Holy crap!
Now the question is: Are they buying or selling?
[you are so suspicious -ed]
But absolutely correct, especially in the case of the energy-complex weighted S&P-Goldman Sachs Commodity Index.