subject: How to Calculate KOI values for AdSense [print this page] We square the demand (D) and divide the result with supply (S) to give us the keyword Opportunity Index of the keyword in question. The number can be a bit cumbersome, so a further calculation can be done to give you the Keyword Potential Index (KPI). This is a more manageable and easier to digest value that tells you want to know about a keyword at a glance.
