Saturday, November 19, 2011

Analyzing the WTI/Brent Price Spread

The price of WTI vaulted 3.3% this week. The catalyst being that on Wednesday, Enbridge said it would buy a 50% stake in a pipeline that brings oil from the Gulf of Mexico to Cushing, Okla., and reverse the direction that the oil is pumped, so that oil would be leaving Oklahoma instead of arriving. That will ease the glut of crude oil, known as West Texas Intermediate crude, or WTI, stored at Cushing—a glut that has been keeping the price of WTI far below that of Brent, the European standard.

What was even more noticeable was that the price of other world oil benchmarks did not budge. Brent crude actually retreated on price. The "correlation" between the two crudes—their tendency to move in the same direction—has averaged 0.96 over the past two decades, just slightly below a perfect correlation of 1.0. On Nov. 15, it had fallen to 0.71, the lowest in at least 20 years.

Refiners in the US Midwest had been benefiting from the price of lower WTI Cushing prices and enjoying large crack spread margins.  On Wednesday Midwest refiners faced a new world of a tightening spread between WTI and Brent. Marathon was one of several refiners whose stock sold off 5% on this new dynamic. 

The global event pricing pressures that have been lifting Brent higher, have begun to retreat. Libyan crude production is coming back on line faster than forecasted, European GDP growth is slowing more than expected and Israeli/Iranian discord seems to playing itself out in rhetoric rather than rockets. 

This might not be the best time to bet that the "spread" between WTI and Brent will widen, however. The difference between the two has dropped already to about $9 a barrel on Nov. 15 from about $25 in mid-October. While some strategists see the spread narrowing even further—Goldman Sachs, for one, expects it to shrink to $6.50 during the next six months—the move likely won't be in a straight line. The best bet: Wait for the spread to widen before placing such a trade, or avoid it entirely.

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