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FranceRetail and e-commerce2026 – ongoing

Decathlon

Chronos-2 weekly demand forecasting

Decathlon reduced forecast error with Chronos-2 in 2 supply regions

WorkingVendor case studyVendor ↗

Problem

Decathlon's forecasting models needed weekly retraining. Expansion into new regions required additional engineering.

Approach

Decathlon fine-tuned Chronos-2 with AutoGluon and ran weekly forecasts on AWS. The model entered production in Southeast Asia and Latin America. Wider deployment remained planned.

Results

28%12-week weighted absolute percentage error in Southeast Asia, previously 39%, per AWSVendor case study[1]
38%12-week weighted absolute percentage error in Latin America, previously 53%, per AWSVendor case study[1]

Takeaway

Decathlon reported results from deployed regions separately from its planned wider rollout.

Categories

Innovation type
Process innovation
Evidence
Vendor case study

Sources

  1. How Decathlon runs demand forecasting at scale with Chronos-2
    Amazon Web Services28 Aug 2026Vendor publication

Source summaries

[1]Amazon Web Services28 Aug 2026

AWS and Decathlon staff described the production forecasting system. They reported lower forecast errors in Southeast Asia and Latin America, with expansion to other supply regions still underway.

Full details are in the original sources.

Added 1 Nov 2026 · Updated 1 Nov 2026
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