02.01.2013 - Following the money in commodities ETFs
Just what are you investing in when you invest in commodities ETFs? There’s no real “market cap” of a commodity, so we’ve had countless debates here at IndexUniverse about whether the best proxy to determine weights is production, consumption or open interest on futures contracts. Some commodities indexes, like the Rogers indexes, attempt to determine each commodity’s “economic importance,” and then use that figure to determine weights...............................................Full Article: Source
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