MR tanker rates have jumped back up again as more cargoes emerged in the Atlantic.
Clarksons Securities estimates average spot earnings at $36,800 per day, up 25% in 24 hours on Wednesday.
Increased loadings were noted from both north-west Europe and the US Gulf.
This is being primarily driven by a petrol arbitrage where US prices significantly exceed European ones.
US gasoline inventories, following a marked drop last week, are now about 6% below the five-year average, the investment bank said.