VIV vs DVN Comparison

Telefonica Brasil, known as Vivo, is the largest wireless carrier in Brazil with 102 million customers, which is equal to about 39% market share. The firm is strongest in the postpaid business, where it has 68 million customers, or about 41% share of this market. Wireless services and equipment contribute about 70% of total revenue. Vivo is the incumbent fixed-line telephone operator in Sao Paulo state and also owns an extensive fiber network across the country. The firm provides internet access to 8 million households on this network. The firm also sells pay-TV and phone services to its fixed-line customers. Finally, corporate data and IT services, including cloud computing support, contribute about 9% of total revenue.

Devon Energy is an oil and gas producer with acreage in several top US shale plays. While roughly two-thirds of its production comes from the Permian Basin, it also holds a meaningful presence in the Anadarko, Eagle Ford, and Bakken basins. If the merger with Coterra is successful, it will have a foothold in the gas-driven Appalachian Basin, as well. At the end of 2025, Devon reported net proved reserves of 2.4 billion barrels of oil equivalent, up from 2.2 billion in 2024. Net production averaged roughly 840,000 barrels of oil equivalent per day in 2025 at a ratio of 73% oil and natural gas liquids and 27% natural gas.