On the 9th of the month, international oil prices surged to nearly $110 per barrel, causing the Korean won to approach a level of 1500 KRW per USD. This economic backdrop, combined with a massive sell-off of domestic stocks by foreign investors, has led to a significant increase in market interest rates, marking the highest yields in two years. The yield on three-year government bonds rose to 3.477%, an increase of 25 basis points from the previous trading day, representing the highest level since May 2024. The yields on five-year government bonds also spiked to 3.699%, reflecting a broader trend of rising interest rates across the board.

In response to the rapid increase in bond yields, the Bank of Korea announced a plan to purchase 3 trillion KRW worth of government bonds, aimed at stabilizing the bond market. The central bank is set to conduct competitive bidding for 10-year, 5-year, and 3-year government bonds to increase demand and counter the rising bond yields, which are indicative of falling bond prices. This intervention by the central bank aims to mitigate the adverse effects of the sharp increases in yields on the broader financial market and ensure liquidity in the bond market.

The implications of these developments could be significant for investors and the economy at large. The rising bond yields reflect increasing concerns over economic stability and inflation pressures linked to rising oil prices, potentially leading to higher borrowing costs for both consumers and corporations. As the Bank of Korea steps in to stabilize the market, the effectiveness of these measures will be closely monitored, as they seek to balance controlling inflation while supporting economic growth amid global uncertainties.