
A Reuters poll showed analysts raised their 2018 Brent forecast to an average of $58.84, up from $55.71 in the October poll. Respondents cited the OPEC extension, Libya and Nigeria output limits, political tensions in Saudi Arabia, and Venezuela's output decline.
Some doubted compliance from Russia.
Higher bank and analyst forecasts reflect expectations of a tighter crude market in 2018, which supports energy prices and biofuel input costs. Doubts about compliance are the main risk to that view.
Not enough comparable past events yet for a historical read.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.