---
title: "Planning level rewind to calculate and measure performance potential (internal versus iCUE)."
method: POST
path: "/portfolio/forecast-performance-rewind"
tags: ["Portfolio Performance Management"]
---

# Planning level rewind to calculate and measure performance potential (internal versus iCUE).

`POST /portfolio/forecast-performance-rewind`

Planning level rewind to calculate and measure performance potential (internal versus iCUE).

## Headers

- `Token` string

## Request body

- ForecastPerformanceRequest
  - `costOfError` number, double
  - `data` ForecastPerformanceDataRequest[], nullable
    - `forecastValues` number[], nullable
    - `historyValues` number[], nullable
    - `timeSeriesId` string, nullable
  - `method` string, required
  - `params` PlanningLevelInfoRequest
    - `discardData` boolean, required
    - `errorType` 'MeanAbsolutePercentageError' | 'MeanSquaredError' | 'MeanAbsoluteError' | 'MedianAbsoluteDeviation' | 'None', required
    - `holdOutPeriod` integer, required
    - `noFcst` integer, required
    - `outlierDetection` boolean, required
    - `periodicity` integer, required
  - `planningLevelId` string, required
  - `rewindTimeFrame` integer, required
  - `startDate` string, required

## Response `200`

Success

- RewindResponse
  - `hyperparameters` RewindHyperparameterResponse
    - `costOfError` number, double, nullable
    - `discardData` boolean, nullable
    - `errorType` 'MeanAbsolutePercentageError' | 'MeanSquaredError' | 'MeanAbsoluteError' | 'MedianAbsoluteDeviation' | 'None'
    - `holdOutPeriod` integer, nullable
    - `noFcst` integer, nullable
    - `periodicity` integer, nullable
    - `rewindTimeFrame` integer
  - `timeSeries` RewindTimeSeriesResponse[], nullable
    - `customerError` number, double, nullable
    - `errorDiff` number, double, nullable
    - `icueError` number, double
    - `timeSeries` string, nullable
    - `totalCost` number, double, nullable
    - `useIcue` boolean, nullable
  - `totalCost` number, double

---

[API](https://skmtc.net/icue/apis/i-cue.md) · [All operations](https://skmtc.net/icue/apis/i-cue/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/icue/i-cue/versions/6acfe792ceda/schema)