The Bank of Korea raised its benchmark interest rate by a quarter percentage point to 3.00% on Thursday, delivering a second consecutive monthly increase as policymakers moved to curb persistent inflation and cool financial stability risks. The decision lifts borrowing costs to their highest level since January 2025 and marks the first back-to-back hike since the pandemic-era tightening cycle.

The seven-member Monetary Policy Board voted to raise the seven-day repurchase rate by 25 basis points from 2.75%, a move predicted by 18 of 35 economists surveyed in a Reuters poll. Governor Shin Hyun Song is scheduled to hold a press conference at 11:10 a.m. Seoul time to explain the decision and outline the central bank’s policy trajectory.

The central bank justified the aggressive stance by pointing to accelerating price pressures. Core inflation, which excludes volatile food and energy prices, climbed to 2.6% in July, its highest level since December 2023. Headline consumer prices rose 2.8% year over year, cooling slightly from June’s 3.2% but still well above the BOK’s 2% target. Inflation has risen every month since February, when the conflict in the Middle East disrupted global energy markets.

Economic momentum has also strengthened the case for tighter policy. Second-quarter real gross domestic product expanded 3.7% from a year earlier, while gross domestic income surged 15.6% — the fastest pace since the first quarter of 1988. The central bank sharply upgraded its 2026 growth forecast to 3.3% from 2.6% in May, citing robust semiconductor exports and strong domestic demand. It now projects consumer price inflation at 2.7% for this year and 2.3% for 2027.

“The Bank of Korea’s hawkish moves and the Federal Reserve’s caution about tightening are overlapping, keeping a lid on the market’s upside for the time being,” said Lee Kyung-min, a researcher at Daishin Securities. He noted that despite relief from U.S. PCE inflation data and solid earnings from Nvidia, investors remain wary of the Fed’s stance ahead of the Jackson Hole meeting, limiting further upside momentum in equities.

South Korean stocks wavered immediately after the announcement, with the Kospi giving back intraday gains and widening losses as foreign and institutional investors turned to net selling. High-valuation growth sectors — including information technology, biotechnology, and secondary batteries — bore the brunt of profit-taking amid concerns about rising funding costs.

The decision caught some market participants off guard. Many analysts had expected the central bank to pause in August after July’s hike, preferring to assess the spillover effects before considering another move in October. The BOK has now implemented consecutive monthly increases only four times in its history: July-August 2007, November 2021-January 2022, April 2022-January 2023, and the current cycle.

IndicatorLatest ReadingPeriodBenchmark rate3.00%August 2026Core inflation2.6% YoYJuly 2026Headline CPI2.8% YoYJuly 2026Real GDP growth3.7% YoYQ2 2026Gross domestic income15.6% YoYQ2 2026

Note: GDP and GDI figures are year-over-year comparisons.

Despite the hawkish signal, analysts said the additional downside for equities may be limited. The monetary authorities’ justification for tightening is to curb overheating driven by strong growth rather than to address a recession, suggesting the broader uptrend in Korean stocks could remain intact.

“In the early stage of rate hikes, investor sentiment may weaken somewhat, but this hike could signal a paradigm shift from a liquidity-driven market to a full-fledged earnings-driven market,” said an official in the domestic asset management industry. Supply-demand rebalancing is expected to occur quickly around leading stocks with clear third-quarter earnings momentum and attractive valuations.

Housing prices have added to the urgency. Seoul home prices jumped 2.5% month over month in June, the sharpest increase in five years, according to Asia Business Daily. The central bank has repeatedly flagged accelerating property prices in the capital and surrounding areas as a financial stability concern requiring policy attention.

The BOK’s tightening cycle began in July with a 25-basis-point hike, the first since January 2023. At that meeting, policymakers said it was necessary to “continue a policy stance consistent with further rate hikes” given elevated cost pressures and housing market dynamics. Thursday’s decision extends that trajectory, with the central bank signaling that inflation is likely to remain above target “for a considerable time.”