# South Korea Korea: Processed fish & seaweed / Contractual Currency Basis (BOK ECOS)

South Korea Korea: Processed fish & seaweed / Contractual Currency Basis (BOK ECOS) was up 3.8% year on year in September 2026, compared with 3.1% in August 2026.
The level stood at 121.4 2020=100.
That is the highest reading since March 2025.
Over the past ten years it has ranged from −11.4% (Mar 2020) to 19.3% (Feb 2017), averaging 2.3%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.XPI.M.NSA.ITEM-301121AA-C`
- Frequency: monthly
- Units: 2020=100
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-processed-fish-and-seaweed-contractual-currency-basis-bok-ecos

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 121.4 2020=100 | 3.8 |
| August 2026 | 120.6 2020=100 | 3.1 |
| July 2026 | 118.1 2020=100 | 1.1 |
| June 2026 | 117.7 2020=100 | 0.8 |
| May 2026 | 114.4 2020=100 | −1.9 |
| April 2026 | 114.3 2020=100 | −1.2 |
| March 2026 | 114.2 2020=100 | −3.1 |
| February 2026 | 115.2 2020=100 | −2.2 |
| January 2026 | 114.8 2020=100 | −2.5 |
| December 2025 | 114.7 2020=100 | −2.5 |
| November 2025 | 115.3 2020=100 | −3.3 |
| October 2025 | 117.0 2020=100 | −2.0 |
| September 2025 | 117.0 2020=100 | −2.0 |
| August 2025 | 116.9 2020=100 | −2.1 |
| July 2025 | 116.9 2020=100 | −2.1 |
| June 2025 | 116.7 2020=100 | −2.3 |
| May 2025 | 116.6 2020=100 | −2.4 |
| April 2025 | 115.7 2020=100 | −3.2 |
| March 2025 | 117.8 2020=100 | 4.5 |
| February 2025 | 117.8 2020=100 | 4.5 |
| January 2025 | 117.7 2020=100 | 14.4 |
| December 2024 | 117.6 2020=100 | 14.7 |
| November 2024 | 119.2 2020=100 | 16.2 |
| October 2024 | 119.4 2020=100 | 16.4 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.XPI.M.NSA.ITEM-301121AA-C"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.XPI.M.NSA.ITEM-301121AA-C",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```