OPEC sees oil stocks dropping by about 400m barrels in 2021 – report 02-Mar-21 10:04 pm Analysis Anirudh Sethi OPEC sees oil stocks falling in 2021OPEC sees oil stocks dropping by about 400 million barrels in 2021 in latest supply and demand outlook presented to the technical meeting. What that that doesn’t show is how much OPEC is pumping.