Oil prices turned lower on Monday as stock futures indicated U.S. equity markets would open lower, after earlier pointing to a bounce following the worst week for stocks in a decade.
Brent crude futures were down 57 cents, or 1.1 percent, at $53.25 a barrel by 8:07 a.m. ET (1307 GMT). U.S. crude futures lost 83 cents, or 18 percent, to $44.76, falling below $45 for the first time since July 2017.
Trading was thin ahead of the Christmas holiday on Tuesday.