Quarterly reports

Each report locks numbers at publication — citable CSV and Dataset JSON-LD. Official quarterly reports require n≥30 verified observations.

• Q2 2026 (Apr–Jun)Preliminary

  Q2 2026 Canada brokerage fee snapshot (preliminary)

  Frozen seed snapshot across DHL, UPS, FedEx, and Canada Post — medians vs published 2026 tariffs.

Reports marked preliminary use our seed dataset (n<30). Numbers will not change after publication for that report slug.