SK Hynix Bond Buying Hits 20 Trillion Won

SK Hynix has deployed 20 trillion won into the Korean bond market this year, making it the primary buyer for high-grade debt.
SK Hynix has purchased approximately 20 trillion won in corporate, financial, and public bonds since the start of the year. The semiconductor firm holds 88 trillion won in cash and cash-equivalent assets as of the end of June. This cash reserve increased by 33.6 trillion won over the previous three months.
The company is moving funds out of low-yield bank deposits to invest in fixed-income securities. A securities firm representative stated that SK Hynix is the only major buyer currently active in the market. Without this demand, the bond market would have faced a credit crunch.
Cash reserves drive bond purchases
SK Hynix’s specific money trust balance reached 55.5021 trillion won in June. This figure represents an increase of 44.2 trillion won from the end of 2025. The company is expanding its treasury team to manage these growing assets.
In late July, the firm posted a recruitment notice for experienced treasury professionals. Candidates required at least five years of asset management experience at financial institutions. Applications closed on August 18, generating significant interest in the Yeouido financial district.
Single buyer dominance creates risk
The firm primarily targets high-grade bonds rated AA- or higher. Analysts note that market liquidity has not returned to non-investment-grade bonds. This segment remains illiquid following the JoongAng Group crisis.
Overreliance on a single buyer poses a risk of interest rate distortion. If SK Hynix halts purchases or sells holdings, market rates could spike. This risk materialized in August when the company canceled a planned bond purchase on August 10.
Market volatility follows purchase cancellation
The abrupt withdrawal caused immediate rate volatility. On August 11, Korea Electric Power Corporation issued bonds at rates 0.08 percentage points above the market average. This move highlighted the sensitivity of the market to SK Hynix’s trading decisions.
SK Hynix has recently issued requests for proposals to six asset managers. It seeks to deploy 3 trillion won in new investments. The company is diversifying its portfolio beyond short-term bonds into two- and three-year instruments.
The market remains dependent on this single corporate entity for liquidity. According to GN auto markets/bonds: corporate bonds, this concentration creates a fragile structure. The firm’s buying behavior now dictates the pricing dynamics for high-grade debt.






