International (Brent) minus US (WTI) crude oil price in USD per barrel. Wider Brent premium reflects supply tightness in international waters (e.g., shipping disruptions). Negative readings (WTI > Brent) often coincide with US oversupply.
Category: calculated. Derived metrics combine multiple data sources into single indicators. These are computed server-side so you get the interpreted signal without building the calculation yourself.