The surprise move leaves the policy rate at its highest level since 2019, and sent the Turkish currency to its strongest level since mid-July.
The bank has raised its one-week repo rate (TRINT=ECI) by 1,650 basis points since June.
The lira had touched new all-time lows almost daily in recent weeks, including in the minutes before the policy decision.
The central bank said that rising oil prices and a deterioration in inflation expectations suggests that inflation will end the year at the upper bound of its forecasts.
The central bank has also selectively tightened credit.
Persons:
Tayyip Erdogan, Piotr Matys, Dado Ruvic, Erdogan, Hafize Gaye Erkan, Osman Cevdet Akcay, Fatih Karahan, Hatice, Ezgi Erkoyun, Christina Fincher, Angus MacSwan
Organizations:
Analysts, Istanbul bourse, Touch, Turkey Lira, REUTERS, Wall Street, Thomson
Locations:
ISTANBUL, Istanbul, Ankara