OTT Video Market Attractiveness Index - Worldwide Country Rankings, Market Drivers and Positioning Strategies @ br The report is based on Researcher 's OTT Video Market Attractiveness Index, a country-level quantitative index constructed specifically for this report. The Index is a composite rating of countries based on their scores in three subindexes OTT Readiness, OTT Intensity and Local Factors. Each subindex further consists of 3-4 quantitative and qualitative indicators, comprising country-level broadband and pay-TV markets as well as socioeconomic indicators.