M5 Forecasting

Competition resources for studying retail demand forecasting with sales, calendar and price information.

What the resource contains

  • Historical retail unit-sales series
  • Calendar and price inputs referenced by the competition
  • Forecasts, evaluation resources and method documentation

Potential uses

  • Benchmark demand forecasting
  • Study hierarchical retail forecasts
  • Explore inventory-planning features

Access & formats

CSV / competition resources. External dependencies. Follow the project’s instructions on GitHub; some resources require external files, registration or approval.

License & reuse

The repository does not establish unrestricted rights to all competition data. Review the original competition conditions.

Important limitations

Offline retail forecasting data is not a live ecommerce sales feed. Avoid temporal leakage from validation and evaluation periods.

Source & attribution

Mcompetitions — original GitHub project ↗

Documentation reviewed 2026-09-24. Review scope and licensing notes. Suggest a correction.

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