rtokens: It ranged between 830.20 and 831.40 .
pos: DT VBN VBD IN CD , RB IN IN DT NN IN CD .
tokens: The won ended at 831.00 , slightly down from an opening of 830.60 .
ltokens: The won slid against the U.S. unit on Friday as players prepared for Monday 's import settlement needs , traders said .