The conversion window is the amount of time that a customer has to complete a conversion after clicking through a MNTN ad unit.
Your account is set to a 30-day conversion window.
In our experience, 30 days is the most commonly used conversion window across online marketers, as it provides the marketer with a large enough data set to make statistically significant decisions.
For an explanation of the terms found in the Conversion Performance, Key Performance Metrics, and other areas in the reporting tab, please see our Performance jargon glossary.