Oil’s sharp rally since the middle of March has been driven by a race among bearish hedge funds to cover loss-making short positions rather than any great bullishness about the outlook. On the eve of the rally, hedge funds and other money managers had amassed record short positions in WTI-linked futures and options amounting to 209 million barrels of oil. But in the seven weeks between March 17 and May 5, hedge funds cut their shorts by almost 116 million barrels to 93 million, a decline of more than 55 percent. Over the same period, hedge funds added only 7 million barrels of net new longs, a 2 percent increase from 381 million to 388 million, according to the U.S. Commodity Futures Trading Commission (CFTC). Hedge fund short covering coincides almost precisely with the rise in front-month WTI prices, from a recent low of $42 per barrel on […]