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A calculator that matches your performance.

Play it like the pros: download our calculator and simulate your stock market performance like investment professionals do. It's free.

C'est parti ! (pensez à vérifier vos spams)

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Simple. Reliable. Free.

It is not always easy to calculate your performance: each inflow and outflow of money impacts your performance, and is often not taken into account in traditional methods. That's why we do it for you.

To do this, we use the Modified Dietz formula, recognized as a reference method by the CFA Institute in its Global Investment Performance Standards (GIPS).

Modified Dietz Method


Integrated user manual

When in doubt, we have integrated instructions into our calculator in the home tab.

We update our calculator every year to include different calendar variations. Do not hesitate to come back here to this page every end of the year to download our latest version!

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