SANTIAGO: Consumer prices in world top copper producer Chile are expected to creep up 0.5% in March, according to a central bank poll of traders on Thursday, while 12-month rolling inflation will rise to 3.20%.

Chile's benchmark interest rate is expected to stay at 0.50% - its lowest in a decade - in the next policy meeting in March, the poll showed, but will rise to 0.75% in 12 months.