DHT Holdings executives remain cautiously optimistic that strong dirty tanker rates can be sustained into next year even as market watchers remain wary that a growing supply of tankers will eventually push rates lower.

Boosted by seasonal demand and the end of the US refinery maintenance season, New York-listed DHT says it has booked much of its spot VLCC fleet at $62,100 per day during the fourth quarter, up $2,500 per day from the third quarter.

“This