SINGAPORE  - Spot premium for DME Oman crude over Dubai quotes jumped to $3.92 a barrel on Wednesday, the highest since at least 2014, according to Reuters calculations and Refinitiv Eikon data.

Oman's premium versus Dubai was $3.57 a barrel on Tuesday.

(Reporting by Shu Zhang; Editing by Susan Fenton) ((shu.zhang@thomsonreuters.com; +65-6870-3549; Reuters Messaging: Twitter @shuzhang4))