The Saudi central bank's net foreign assets fell by $21.08 billion in October from the previous month, central bank data showed on Thursday.

Net foreign assets fell to 1.55 trillion riyals ($412.6 billion) in October from 1.63 trillion riyals in September.

($1 = 3.7563 riyals)

(Reporting by Enas Alashray and Nayera Abdallah;)