This works in the same way as an index CFD. Just like an index position, you’ll pay a funding charge for holding your commodity position overnight.
In the absence of a continuously traded underlying market, we have created an algorithm to derive a price from the forward curve of each commodity. It will automatically calculate and apply day-to-day funding requirements.
With continuous charting, your technical analysis will be available as long as you want it. IG have used past data to backdate our charts for the last three to five years, so you can get an accurate historical look.