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Chapter 04

The Vi Formula

How criticality, maturity and value are calculated, worked through one example, and how Vi supports portfolio decisions and the prioritization of incidents through ΔVi.

5 min read Updated 9 Nov 2026 Version 1.0

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4.1 The formula explained

The formula is short, and its properties carry most of the meaning.

Vi = Ci × Mi

An asset's realized value is the product of how important it is to the organization's goals and how well it performs the function expected of it. Three properties follow…

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