# South Korea Korea: All items / Contractual Currency Basis (BOK ECOS)

South Korea Korea: All items / Contractual Currency Basis (BOK ECOS) was up 44.5% year on year in September 2026, compared with 41.3% in August 2026.
The level stood at 160.8 2020=100.
That is the highest reading since the series began in January 1986.
Over the past ten years it has ranged from −16.4% (Jun 2023) to 44.5% (Sep 2026), averaging 3.5%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.XPI.M.NSA.ITEM-AA-C`
- Frequency: monthly
- Units: 2020=100
- Coverage: 1986-01-01 to 2026-09-01 (489 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-all-items-contractual-currency-basis-bok-ecos

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 160.8 2020=100 | 44.5 |
| August 2026 | 156.7 2020=100 | 41.3 |
| July 2026 | 153.0 2020=100 | 37.5 |
| June 2026 | 148.7 2020=100 | 33.9 |
| May 2026 | 152.3 2020=100 | 38.0 |
| April 2026 | 151.9 2020=100 | 37.3 |
| March 2026 | 141.5 2020=100 | 26.7 |
| February 2026 | 123.8 2020=100 | 10.1 |
| January 2026 | 120.2 2020=100 | 7.0 |
| December 2025 | 114.8 2020=100 | 2.2 |
| November 2025 | 114.9 2020=100 | 1.9 |
| October 2025 | 113.5 2020=100 | 0.09 |
| September 2025 | 111.2 2020=100 | −2.1 |
| August 2025 | 110.9 2020=100 | −3.7 |
| July 2025 | 111.2 2020=100 | −4.5 |
| June 2025 | 111.1 2020=100 | −4.2 |
| May 2025 | 110.4 2020=100 | −4.9 |
| April 2025 | 110.7 2020=100 | −5.1 |
| March 2025 | 111.7 2020=100 | −2.4 |
| February 2025 | 112.4 2020=100 | −1.5 |
| January 2025 | 112.4 2020=100 | −0.4 |
| December 2024 | 112.4 2020=100 | 1.3 |
| November 2024 | 112.8 2020=100 | 0.9 |
| October 2024 | 113.4 2020=100 | 0.7 |

## API

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

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