BoK says August inflation is expected to be higher due to base effects and it it is to closely watch inflation conditions as core inflation is expected to stay high

Central bank commentary attributing a higher near-term inflation print to base effects is a familiar framing in cycles where price pressures have been decelerating, and it functions as a signal to markets not to over-read a single uptick in headline CPI. The more meaningful admission here is the reference to core staying high: in past episodes of this kind, banks that emphasise sticky underlying inflation while dismissing the headline as transitory have tended to be justifying a longer hold at restrictive rates, or keeping further tightening on the table, rather than teeing up easing. The distinction that matters for Korean rates pricing is between base-effect noise, which the curve historically looks through, and core persistence, which reprices the path at the short end and steepens or flattens the front of the KTB curve depending on whether the signal is patience or action. Prior form for the BoK in this posture has been to wait for the print itself and then lean on the monthly data sequence, so the tell is whether accompanying language shifts from watching conditions to tolerance thresholds. Follow-ons are the actual August CPI release and any shift in consensus around the next policy meeting, where such guidance has typically been formalised or walked back.