# South Korea Korea: Construction / Inventory Index (Seasonally Adjusted) (BOK ECOS)

South Korea Korea: Construction / Inventory Index (Seasonally Adjusted) (BOK ECOS) was up 0.6% year on year in September 2026, compared with 3.2% in August 2026.
The level stood at 103.9 2020=100.
Over the past ten years it has ranged from −13.0% (Feb 2021) to 17.0% (Jun 2022), averaging 0.9%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.IP.M.NSA.ITEM-I31ABB-I10F`
- Frequency: monthly
- Units: 2020=100
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-construction-inventory-index-seasonally-adjusted-bok-ecos-not

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 103.9 2020=100 | 0.6 |
| August 2026 | 104.4 2020=100 | 3.2 |
| July 2026 | 102.6 2020=100 | 2.7 |
| June 2026 | 103.1 2020=100 | 0.8 |
| May 2026 | 104.4 2020=100 | 0.2 |
| April 2026 | 102.6 2020=100 | −1.7 |
| March 2026 | 102.8 2020=100 | −2.9 |
| February 2026 | 102.2 2020=100 | −3.9 |
| January 2026 | 102.6 2020=100 | −1.4 |
| December 2025 | 104.3 2020=100 | −0.3 |
| November 2025 | 104.1 2020=100 | −1.1 |
| October 2025 | 105.0 2020=100 | −0.8 |
| September 2025 | 103.3 2020=100 | −0.8 |
| August 2025 | 101.2 2020=100 | −1.7 |
| July 2025 | 99.90 2020=100 | −3.4 |
| June 2025 | 102.3 2020=100 | −2.1 |
| May 2025 | 104.2 2020=100 | 0.8 |
| April 2025 | 104.4 2020=100 | −0.3 |
| March 2025 | 105.9 2020=100 | 2.2 |
| February 2025 | 106.4 2020=100 | 3.5 |
| January 2025 | 104.1 2020=100 | 1.6 |
| December 2024 | 104.6 2020=100 | 4.5 |
| November 2024 | 105.3 2020=100 | 7.4 |
| October 2024 | 105.9 2020=100 | 5.2 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I31ABB-I10F"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I31ABB-I10F",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```
