# South Korea Korea: Chemicals & related products, n.e.c. / Contractual Currency Basis (BOK ECOS)

South Korea Korea: Chemicals & related products, n.e.c. / Contractual Currency Basis (BOK ECOS) was up 15.7% year on year in September 2026, compared with 12.9% in August 2026.
The level stood at 133.1 2020=100.
Over the past ten years it has ranged from −20.2% (Jun 2023) to 45.8% (May 2021), averaging 3.2%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.XPI.M.NSA.ITEM-205AA-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-chemicals-and-related-products-n-e-c-contractual-currency-basis

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 133.1 2020=100 | 15.7 |
| August 2026 | 130.3 2020=100 | 12.9 |
| July 2026 | 129.6 2020=100 | 11.9 |
| June 2026 | 133.8 2020=100 | 14.0 |
| May 2026 | 141.8 2020=100 | 20.6 |
| April 2026 | 143.0 2020=100 | 20.7 |
| March 2026 | 130.7 2020=100 | 8.4 |
| February 2026 | 113.8 2020=100 | −6.7 |
| January 2026 | 112.8 2020=100 | −6.4 |
| December 2025 | 112.5 2020=100 | −6.7 |
| November 2025 | 112.7 2020=100 | −6.5 |
| October 2025 | 113.6 2020=100 | −6.3 |
| September 2025 | 115.0 2020=100 | −5.6 |
| August 2025 | 115.5 2020=100 | −7.2 |
| July 2025 | 115.8 2020=100 | −7.7 |
| June 2025 | 117.5 2020=100 | −6.4 |
| May 2025 | 117.5 2020=100 | −6.0 |
| April 2025 | 118.5 2020=100 | −5.3 |
| March 2025 | 120.5 2020=100 | −2.7 |
| February 2025 | 122.0 2020=100 | −0.3 |
| January 2025 | 120.5 2020=100 | −0.2 |
| December 2024 | 120.5 2020=100 | 0.5 |
| November 2024 | 120.5 2020=100 | −1.7 |
| October 2024 | 121.2 2020=100 | −2.4 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.XPI.M.NSA.ITEM-205AA-C"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.XPI.M.NSA.ITEM-205AA-C",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```