Mercuria filed a High Court claim on April 30 alleging Baltic Exchange kept publishing the TD3C index despite Hormuz closure.
The continued TD3C publication caused extreme volatility, distorting freight contracts and leading to estimated losses in the hundreds of millions of dollars.
The dispute arises from the U.S.-Israeli war with Iran that began Feb 28, stranding hundreds of ships and 20,000 seafarers in the Gulf.