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Additional monetary tightening on Thursday lent support to the lira which firmed to 2.0146 by 1533 GMT on Thursday from 2.0227 late on Wednesday.
Istanbul's main stock index closed down 0.31 percent at 74,661.59 points. It underperformed the emerging market index, which rose 0.4 percent.
The yield on Turkey's 10-year benchmark bond fell to 9.38 percent from 9.43 percent at Wednesday's close.
Volumes were light because U.S. markets will be shut for the Thanksgiving holiday.