Best Way to Short Oil

With so many people so bullish about oil, it might be a good time to think about shorting it.

After all, at close to $100 a barrel, the price of crude has nearly doubled this year without a significant pullback.

There are plenty of people, like Fadel Gheit, managing director of oil and gas research at New York financial services firm Oppenheimer & Co., who will tell you oil prices have nothing to do with fundamentals . "Current fundamentals don't support $60, let alone $90," he says. "Demand hasn't increased significantly. What's changed in the world this year?"

Even some people who think current prices are justified are looking for a technical correction. Phil Flynn, senior energy market analyst at Chicago's Alaron Trading, thinks oil's rally has been driven by fundamental reasons, like a weak dollar, an unseasonal decline in inventories and an increase demand for oil in India and China. ...