South Korea Sovereign Bond Yields
KR ·Korea Treasury Bonds ·KRW ·Asia-Pacific ·9 maturities
Delayed reference yields for Korea Treasury Bonds (2Y, 10Y, 30Y, and more). Latest / live yield requires API access.
Yields as of May 27, 2026 (previous month-end close — not live). Latest / live yield requires API access. · 2Y–10Y spread: 52.5 bps
South Korea yield curve
All maturities for KRLatest / live yield requires API access
This page shows delayed month-end reference data only. Get an API key for current KR KTBs yields, spreads, and history.
What are South Korea sovereign bonds?
Korea Treasury Bonds form a deep Asia rates market closely linked to Bank of Korea policy and regional growth. On Bonds API, ISO code KR identifies Korea Treasury Bonds across available maturities.
This public page lists delayed reference yields as of May 27, 2026 (previous month-end close or the nearest prior trading day). The KR 10Y reference yield on that date was 4.09%. The 2Y–10Y spread was 52.5 basis points. Latest / live yield requires API access.
Developers use Bonds API to pull South Korea yields into risk systems, dashboards, and research workflows via REST JSON endpoints such as /latest, /curve, and /historical — with currency context KRW and policy backdrop from the Bank of Korea. Available tenors on the delayed curve include 1Y, 2Y, 3Y, 4Y, 5Y, 10Y, 20Y, 30Y, 50Y.
- Market
- Korea Treasury Bonds
- Currency
- KRW
- Central bank
- Bank of Korea
- Also known as
- Korea bond yields, KTB yields
API examples for KR
Use these endpoints to query Korea Treasury Bonds with country=KR.
GET /latest
Docs →Most recent South Korea bond yields.
curl "https://bonds-api.com/api/v1/latest?countries=KR&api_key=YOUR_API_KEY"
GET /curve
Docs →Full sovereign yield curve for KR.
curl "https://bonds-api.com/api/v1/curve?country=KR&api_key=YOUR_API_KEY"
GET /historical
Docs →Yield for a specific maturity and date.
curl "https://bonds-api.com/api/v1/historical?country=KR&maturity=10Y&date=2025-06-15&api_key=YOUR_API_KEY"