One of the spreads which I always follow with great interest and that provides good trading opportunities every year is CL-B, that is, WTI crude oil – Brent crude. Crude oil is one of the most highly traded David CarliI am a macroeconomic and financial analyst with over 30 years’ experience, including two years as a fund manager. I specialise in currencies and commodities, and I am the author of several successful books on trading, macroeconomics, and financial markets.