The IEA left its demand growth forecast for 2019 flatMovement.flatfrom its last report in January at 1.4 million barrels per day .
The Organization of the Petroleum Exporting Countries , which pumps more than a third of the world 's oil , agreed , as expected , keep its 30 million barrels per day output ceiling flatMovement.flatfor another six months .
Before the data , both Brent , the international benchmark , and West Texas Intermediate , the US standard , were relatively flatMovement.flaton the day .
Ministers have said they expect that the group will leave its supply target of 30 million barrels per day flatMovement.flat.