Methodology
How the sirius index is built, and how to read what it tells you. Start with the overview of what we measure and from which sources, then go deeper on the parts that decide what a reading means for your own freight budget.
5 articles·40 min in total·TetriXX AI & LSCMS
Start Here
Overview·8 min read
How sirius measures freight cost pressure
The sirius Supply Chain Intelligence tracks where costs are building across global trade lanes, before they reach your invoice. This page explains what we measure, why, and from which sources.
The Deep Dives
4 further papers, in the order they build on each other. Each one takes a single part of the model and shows what it changes in practice.
- 018 min read
How to read the sirius index - and what it means for your freight budget
One number. Four dimensions. Here is what it means and how to act on it.
A sirius reading of 118 means freight costs across your active trade lanes are running 18% above the January 2026 baseline. This article explains what that number means in practice, what drives it, and how to act on it.
- 027 min read
Why freight cost pressure hits your books 30-90 days late
The signal moves. Your invoice follows. The gap between them is your decision window.
By the time your CFO sees a freight cost spike on the P&L, the market event that caused it is already 30-90 days old. sirius shows you what is coming - before it arrives in your invoices.
- 038 min read
How spot, short-term, and long-term contracts realize cost pressure differently
Your modal mix and contract structure determine when freight cost pressure reaches your invoices. M1 spot exposure realizes in roughly 30 days, M2 short-term in 60, and M3 annual in 90 or more - and each tier transmits the four pressure layers at different rates.
- 049 min read
How sirius matches current market patterns against historical crisis analogs
When sirius detects a pattern that resembles a past crisis, it surfaces the match with a confidence score and the trajectory from the previous event. Here is what that output looks like in practice - and how the best-matching analog shapes the forward projection scenarios.
The index itself is published every week with the Logistics & Supply Chain Management Society.
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