The term 'West Texas Intermediate', sometimes found in news, refers to a grade of

West Texas Intermediate (WTI) is a high-quality, "light sweet" grade of crude oil that serves as a primary global pricing benchmark for the energy market, primarily for oil sourced from the United States. While other options like rare earth elements are also critical global commodities, WTI is strictly an energy benchmark and gained significant notoriety in 2020 when its futures prices famously dropped into negative territory. The core concept being tested is the identification of major international economic indicators and their relevance to global trade and energy security.