AP Moller-Maersk has made more profit in just three months than it previously made in a year, according to chief executive Soren Skou.

And the world's largest liner operator is set to keep reeling in the cash as shippers lock in longer contracts at higher rates.

Speaking on a conference call today after unveiling the best quarter in the company's history, Skou highlighted how Maersk has locked in future earnings in what had been "an unusual year".