Korea BondWeb provides yields of benchmark government and corporate bonds. Data include mark-to-market, intraday, daily key bond yields and bond composite index. Other available information includes yield curves, yield trend charts, spread analysis, and technical analysis.

The Ministry of Finance and Economy website includes data on market interest rates: overnight call rates, corporate bond yields, commercial paper yields, certificate of deposit yields, and Treasury Bond yields.

The Bank of Korea’s (BOK) Economic Statistics System contains both current and historical data on a variety of market interest rates.