Oil Price Information Service (OPIS), by IHS Markit provides price transparency across the global fuel supply chain for the spot, wholesale rack and retail fuel markets. OPIS is the leading source of pump prices worldwide. It monitors over 3.5 million gasoline and diesel prices for nearly 140,000 outlets in North America and over 250,000 stations in 38 countries across Europe, South America, Japan, Mexico and Australia. Find data for major brands to regional independents to convenience store chains, as well as supermarkets and big-box stores. Visit www.opisnet.com to learn more.