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

South Korea Korea: Construction / Inventory Index (Seasonally Adjusted) (BOK ECOS) was up 46.3% year on year in September 2026, compared with 96.1% in August 2026.
The level stood at 174.1 2020=100.
Over the past ten years it has ranged from −55.9% (Feb 2020) to 107.9% (Apr 2023), averaging 10.5%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.IP.M.NSA.ITEM-I31AAF-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

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 174.1 2020=100 | 46.3 |
| August 2026 | 215.9 2020=100 | 96.1 |
| July 2026 | 171.6 2020=100 | 43.4 |
| June 2026 | 171.6 2020=100 | 34.9 |
| May 2026 | 142.2 2020=100 | 21.1 |
| April 2026 | 143.4 2020=100 | 26.9 |
| March 2026 | 147.8 2020=100 | 14.8 |
| February 2026 | 142.9 2020=100 | 34.2 |
| January 2026 | 135.5 2020=100 | 23.3 |
| December 2025 | 116.2 2020=100 | 11.9 |
| November 2025 | 110.6 2020=100 | 2.8 |
| October 2025 | 119.8 2020=100 | 17.8 |
| September 2025 | 119.0 2020=100 | 9.6 |
| August 2025 | 110.1 2020=100 | −5.9 |
| July 2025 | 119.7 2020=100 | −2.9 |
| June 2025 | 127.2 2020=100 | −7.0 |
| May 2025 | 117.4 2020=100 | −17.6 |
| April 2025 | 113.0 2020=100 | −25.0 |
| March 2025 | 128.7 2020=100 | −5.3 |
| February 2025 | 106.5 2020=100 | −29.9 |
| January 2025 | 109.9 2020=100 | −35.0 |
| December 2024 | 103.8 2020=100 | −13.5 |
| November 2024 | 107.6 2020=100 | −17.6 |
| October 2024 | 101.7 2020=100 | −33.1 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I31AAF-I10F"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I31AAF-I10F",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```