Oil Price Information Service (OPIS) is a price reporting agency which provides information that is used for commercial contracts and trade settlement related to petroleum, gasoline, diesel, ethanol, biodiesel, LP-gas, jet fuel, crude, natural gas, petrochemicals, recycled plastics, refinery feedstocks, residual fuel, and kerosene.

[1][2] It is based in Rockville, Maryland and has offices in New Jersey, Houston, Texas, Minnesota, and internationally in Sweden, Romania, Singapore, and Japan.

On August 2, 2021, it was announced that News Corp, the parent company of Dow Jones & Co., would buy OPIS from IHS Markit for US$1.15 billion.

[5][6] OPIS is regarded as a benchmark in multiple areas such as Propane and NGL (Natural gas liquids).

[9] 2015 – OPIS acquires NAVX, the leading European and South American provider of retail fuel pricing, parking and Electric Vehicle (EV) charging location information.