> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nexenergie.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Forecast Accuracy Metrics: MAE, RMSE, and MAPE Explained

> Nexenergie tracks MAE, RMSE, and MAPE for every forecast session. Learn to read accuracy metrics and evaluate model performance for your trading decisions.

The metric worker scores unscored forecasts against realized OMIE prices.

<CardGroup cols={2}>
  <Card title="MAE" icon="chart-simple">
    Mean absolute error in EUR/MWh.
  </Card>

  <Card title="WAPE" icon="percent">
    Weighted absolute percentage error.
  </Card>

  <Card title="Pearson" icon="chart-line">
    Correlation between forecast and realized series.
  </Card>

  <Card title="Trend" icon="arrow-trend-up">
    Trend alignment metric for the run.
  </Card>
</CardGroup>

Dashboard endpoints expose these under `/api/v1/dashboard`.