The shares climbed 11%.
The market is convinced the Commerce Commission will approve the deal but the key unknown is how much, if anything, Z will be forced to divest to get the deal over the line.
Look out for central bank action this week from the Federal Reserve, the Bank of Japan and Reserve Bank, as well as the Commerce Commission's decision on whether Z Energy can buy the Chevron assets. With special feature audio.
Market consensus appears to be that the Commerce Commission will give Z Energy the green light for its $785 million purchase of the Chevron assets but with conditions that it divest a small part of those assets.