The Cbonds Retail Fuel Index (Russia, AI-98) functions as a price benchmark displaying the weighted average cost of AI-98 and higher grade gasoline at filling stations in Russia, utilized for assessing retail price dynamics of premium fuel in the country's energy sector. In March 2026, the maximum reached 87.92 руб./л., the minimum — 87.38 руб./л., with an average level of 87.58 руб./л. The index is calculated in Russian Rubles per liter including VAT based on data from multiple independent sources, with regional components weighted by motor vehicle registrations in Russian constituent entities; it is updated daily, with regional weights rebalanced annually using EMISS data.