Bank of Korea raises rate to 2.75% in first hike since 2023
South Korea's central bank delivered a quarter-point rate increase to 2.75%, the first tightening since early 2023, as an AI-driven chip boom fuels inflation and growth outpaces expectations.
The Bank of Korea raised its benchmark interest rate on Thursday for the first time in more than three years, lifting the seven-day repurchase rate by a quarter percentage point to 2.75%. The move ends a long pause that began after the bank’s previous tightening cycle, which had concluded in early 2023.
Rate decision
The hike, which took the base rate to 2.75%, was the first since January 2023, a span of roughly three-and-a-half years. The quarter-point increase was in line with the central bank’s effort to address developing price pressures and robust economic activity. The decision was announced on 16 July 2026.
Economic drivers
Both Bloomberg and The Wall Street Journal cited an artificial-intelligence-driven semiconductor boom as a key factor behind the policy shift. Demand for South Korean memory chips, a critical input for AI infrastructure, has fueled faster-than-expected economic growth and contributed to sticky inflation. The bank’s move reflects concern that the chip-led expansion is overheating the domestic economy, making the earlier accommodative stance unsustainable.
Global tightening backdrop
The Bank of Korea’s action brings it into alignment with a broader global trend of monetary tightening in 2026. The Wall Street Journal noted that the rate increase means South Korea is “joining global peers” in raising borrowing costs to counter inflationary risks. Other major central banks have similarly reversed or paused easing cycles in response to persistent price pressures.
Looking ahead
The immediate impact on the won and local bond markets will be watched closely as traders assess the likelihood of further increases. The central bank gave no explicit forward guidance in the reports, but the move signals a readiness to act again if the chip-driven boom continues to push up consumer prices and wage growth.

