20.09.2013 - Why commodity ETFs work better than you thought
Once you understand that futures prices are driven by more than just the spot price, it is possible to remove some of the confusion about securities products that use futures to track the price of important commodities. First, let's review the claim about tracking error in exchange-traded products (ETPs), and then explain why those products function better than many investors realize. A common tactic for skeptics of ETPs that track commodities like crude oil or natural gas - think of USO or UNG - is to show the change over some period in the spot price of the commodities and compare that change with the return achieved by the ETPs.............................................Full Article: Source
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