Daily
Dated observations from public daily sources. Quote each with its date and publisher, as in "Brent spot, close of 20 October (EIA)". These are not monthly averages, so never set one beside a figure from a commodity page.
Crude oil spot
Henry Hub natural gas spot
No free daily source exists for Europe TTF; see Natural gas for the monthly series.
IGC Grains and Oilseeds Index
The IGC index is a weighted index of export quotations, not a price. Its percentage changes are never set beside a World Bank or FDW change for the same commodity, because those are monthly averages.