---
title: "Evolution daily margin forecast (OCNMFW2, OCNMF3Y2)"
method: GET
path: "/forecast/margin/weekly/evolution"
tags: ["Margin Forecast"]
---

# Evolution daily margin forecast (OCNMFW2, OCNMF3Y2)

`GET /forecast/margin/weekly/evolution`

This endpoint provides the daily evolution Generating Plant Operating Margin covering 2 days ahead to 14 days ahead in MW values.
The Daily API outputs the latest published data for daily margin forecast for D+2 t D+14

## Query parameters

- `year` integer, required
- `week` integer, required
- `range` '52W' | '156W'
- `format` 'json' | 'xml' | 'csv'

## Response `200`

OK

- InsightsApiModelsResponsesResponseWithMetadata1InsightsApiModelsResponsesForecastMarginForecastMarginWeekly
  - `data` InsightsApiModelsResponsesForecastMarginForecastMarginWeekly[], nullable
    - `publishTime` string, date-time
    - `margin` integer, nullable
    - `week` integer
    - `year` integer
    - `weekStartDate` string, date
  - `metadata` InsightsApiModelsMetadataApiResponseSourceMetadata
    - `datasets` string[], nullable

---

[API](https://skmtc.net/elexon/apis/bmrs-insights.md) · [All operations](https://skmtc.net/elexon/apis/bmrs-insights/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/elexon/bmrs-insights/versions/d94e9edb295e/schema)