Vienna - The price for crude oil produced by the Organization of the Petroleum Exporting Countries (OPEC) continued its up-and-down movement at the end of last week, falling to 121.08 dollars on Friday, data released by OPEC showed Monday.

One barrel (159 litres) of OPEC-produced crude stood 1.40 dollars lower on Friday, compared with 122.48 dollars on the previous day.

OPEC calculates an average basket price based on 13 important brands produced by cartel members. (dpa)