# South Korea Korea: Treasury Bonds (50-year) (BOK ECOS)

South Korea Korea: Treasury Bonds (50-year) (BOK ECOS) was 4.0% in 12 November 2026, unchanged from 11 November 2026 and up 1.0 percentage points from a year earlier.
Over the past ten years it has ranged from 1.1% (16 Aug 2019) to 4.7% (18 Aug 2026), averaging 2.6%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.GOV10Y.D.NSA.ITEM-010240000`
- Frequency: daily
- Units: % per annum
- Coverage: 2016-10-11 to 2026-11-12 (2,485 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-treasury-bonds-50-year-bok-ecos

## Recent data

| Period | Value |
|---|---:|
| 12 November 2026 | 4.0% |
| 11 November 2026 | 4.0% |
| 10 November 2026 | 4.0% |
| 9 November 2026 | 4.0% |
| 6 November 2026 | 4.0% |
| 5 November 2026 | 4.0% |
| 4 November 2026 | 4.1% |
| 3 November 2026 | 4.1% |
| 2 November 2026 | 4.2% |
| 30 October 2026 | 4.1% |
| 29 October 2026 | 4.2% |
| 28 October 2026 | 4.3% |
| 27 October 2026 | 4.2% |
| 26 October 2026 | 4.2% |
| 23 October 2026 | 4.2% |
| 22 October 2026 | 4.3% |
| 21 October 2026 | 4.3% |
| 20 October 2026 | 4.3% |
| 19 October 2026 | 4.3% |
| 16 October 2026 | 4.3% |
| 15 October 2026 | 4.3% |
| 14 October 2026 | 4.4% |
| 13 October 2026 | 4.4% |
| 12 October 2026 | 4.4% |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.GOV10Y.D.NSA.ITEM-010240000"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.GOV10Y.D.NSA.ITEM-010240000",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```