# South Korea Korea: Building (BOK ECOS)

South Korea Korea: Building (BOK ECOS) was up 41.4% year on year in September 2026, compared with −11.2% in August 2026.
The level stood at 17,702,009 Mil.Won.
Over the past ten years it has ranged from −54.4% (Aug 2023) to 92.8% (Apr 2021), averaging 8.8%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.CONSTR.M.NSA.ITEM-I42ABA`
- Frequency: monthly
- Units: Mil.Won
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-building-bok-ecos

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 17,702,009 Mil.Won | 41.4 |
| August 2026 | 10,801,914 Mil.Won | −11.2 |
| July 2026 | 11,974,567 Mil.Won | −16.5 |
| June 2026 | 13,085,119 Mil.Won | −24.2 |
| May 2026 | 20,219,081 Mil.Won | 71.4 |
| April 2026 | 15,010,404 Mil.Won | 46.4 |
| March 2026 | 15,762,072 Mil.Won | 15.4 |
| February 2026 | 10,860,917 Mil.Won | 36.6 |
| January 2026 | 8,993,484 Mil.Won | 26.7 |
| December 2025 | 24,759,349 Mil.Won | 22.3 |
| November 2025 | 18,320,864 Mil.Won | 5.5 |
| October 2025 | 6,680,735 Mil.Won | −39.6 |
| September 2025 | 12,523,004 Mil.Won | −4.3 |
| August 2025 | 12,165,280 Mil.Won | 48.7 |
| July 2025 | 14,343,379 Mil.Won | 58.1 |
| June 2025 | 17,259,531 Mil.Won | 12.0 |
| May 2025 | 11,795,788 Mil.Won | 35.6 |
| April 2025 | 10,253,122 Mil.Won | −2.0 |
| March 2025 | 13,660,609 Mil.Won | 67.4 |
| February 2025 | 7,948,574 Mil.Won | −1.1 |
| January 2025 | 7,098,210 Mil.Won | 0.06 |
| December 2024 | 20,243,625 Mil.Won | 23.1 |
| November 2024 | 17,360,221 Mil.Won | 73.0 |
| October 2024 | 11,066,104 Mil.Won | −3.5 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.CONSTR.M.NSA.ITEM-I42ABA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.CONSTR.M.NSA.ITEM-I42ABA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```