Los Angeles Times - Regulators had long classified a private Swiss energy conglomerate called Vitol as a trader that primarily helped industrial firms that needed oil to run their businesses.

But when the Commodity Futures Trading Commission examined Vitol’s books last month, it found that the firm was in fact more of a speculator, holding oil contracts as a profit-making investment rather than a means of lining up the actual delivery of fuel. Even more surprising was the massive size of Vitol’s portfolio — at one point in July, the firm held 11% of all the oil contracts on the regulated New York Mercantile Exchange.

The discovery revealed how an individual financial player had gained enormous sway over the oil market without the knowledge of regulators. Other CFTC data showed that a significant amount of trading activity was concentrated in the hands of just a few speculators.

The CFTC, which learned about the nature of Vitol’s activities only after making an unusual request for data from the firm, now reports that financial firms speculating for their clients or for themselves account for about 81% of the oil contracts on the Nymex.

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