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How to add an indexation?

28/06/2017 | greenmatch AG | based on greenmatch release 1.57

In this article, you will learn how to record inflation-related sales and operating expenditures. The example is based on inflation-dependent operating expenditures, the process for indexed sales is analogous.

  1. As a first step, select "New Opex" in the "Opex" section of the project navigation to add a new operating expenditure or select the desired Opex Item in the opex list.

New Opex

  1. As a second step, select the drop-down "No Inflation" in the Input field "Value". You have the option to select the standard inflation, which you have added at the beginning of the creation of your project, or to add a new inflation.

no Inflation

  1. If you select "Add Inflation", a new window opens. Give the inflation a name. After this, you can use the "Frequency" to determine the interval at which the value changes.
  2. The input field "Start" allows you to set the date on which the inflation begins (the inflation rate before this date is always zero). You can specify relative date references. If you need help, please read the article "How to work with relative date relations".


  1. With the Input field "Mode", you have the option of entering the inflation "Fix" or "Serial". Choose:

    • fix when you expect a constant inflation over the entire period.
    • serial when your assumption is a fluctuating inflation.

inflation rate

  1. To record a serial indexing: Click on "Add" to enter the time periods and the corresponding inflation expectations
    (in %). By clicking on "Create" the indexation is created and assigned to the operating expenditure position.


Example of an indexation:


  • Frequency 12 months
  • Starts two years after the valuation date
  • Serial indexation


Since we have chosen 01.2019 as the start date, the inflation rate before this date is zero. The frequency of one year means that the inflation will have an effect in 01.2020 for the first time. As of this date the inflation will change by the defined value every year until the inflation rate remains constant from 01/2022 (0.5% every year).


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