Saudi central bank preliminary data for October showed on Tuesday foreign assets decreased by $13.77 billion from the previous month.

The net foreign assets decreased to 1.524 trillion riyals ($406.35 billion) in October from 1.579 trillion riyals in September, the data showed.

Net foreign assets were down 8.7% year-on-year from 1.67 trillion riyals in the same month of the previous year, the data showed.

($1 = 3.7505 riyals)

(Reporting by Nayera Abdallah, writing by Yomna Ehab, editing by Alexandra Hudson)