Parcel accessorial research
Original analysis built from the published dataset. Each report states its method, inputs and limits, and can be reproduced from the downloads.
Parcel Accessorial Cost Index
A reproducible basket of nine package scenarios priced at published list amounts each month, indexed to Dec. 2025.
2027 accessorial increases: UPS vs. FedEx
Category-by-category comparison of the 2027 changes, and the two-week window when only UPS’s new amounts apply.
The 2026 cube rule: which cartons it caught
Every whole-inch carton tested against the new 10,368 in³ and 17,280 in³ thresholds. The Large Package rule is the one that bites.
Peak 2026: demand surcharges week by week
How UPS and FedEx demand amounts line up across the 2026–27 peak, week by week.
Fuel table changes in 2026
Each carrier change to the tables that turn fuel prices into surcharge percentages.
Parcel Accessorial Cost Index (Dec. 2025 = 100)
Basket of nine package scenarios at published list amounts, zones 5–6, excluding fuel and demand. Hollow points and dashed segments: includes amounts pending verification. Methodology →