After weeks of confusion over Russia’s push to change the dates of the Opec+ meeting, an agreement was finally reached on 19 June – just six days before the original dates of 25-26 June. Opec will now meet on 1 July, with the Opec+ meeting taking place on 2 July.

Reports suggested that Russia wanted the dates pushed back to after the 28-29 June G20 meeting in Japan – Opec kingpin Saudi Arabia agreed. Opec’s other members mostly fell in...