West Texas Intermediate (WTI) is a specific grade of crude oil and one of the world's most important oil benchmarks. Think of it as the “brand name” for high-quality American oil. Sourced from inland oil fields across the United States, primarily in Texas, WTI is renowned for being very “light” and “sweet.” In the oil world, this is a huge compliment. “Light” refers to its low density (a high API gravity), and “sweet” means it has a low sulfur content. This combination makes it relatively easy and inexpensive to refine into high-demand products like gasoline and diesel fuel. The official delivery and price settlement point for WTI is the massive oil storage hub in Cushing, Oklahoma. This landlocked location is a critical feature that can influence its price relative to other global oils. WTI prices are quoted on the NYMEX (New York Mercantile Exchange), where it is traded through futures contracts, serving as the primary benchmark for oil consumed in North America.
While it might just seem like a barrel of black goo, WTI's specific characteristics and geography are what make it a global financial heavyweight. Its price is a reflection of its quality and the logistics of getting it from the ground to your gas tank.
The “light, sweet” label isn't just industry jargon; it's a mark of quality that refineries love.
Because of this superior quality, WTI often commands a premium price over heavier, “sour” crudes, which are more expensive to process.
The price you see for WTI is the price for a barrel delivered to Cushing, Oklahoma. This small city is the nerve center of the American oil market, a massive hub of storage tanks and intersecting pipelines. Its status as a landlocked delivery point is crucial. If production from U.S. shale fields (thanks to fracking) surges and pipelines out of Cushing are full, a glut can form. This can push the price of WTI down, sometimes significantly lower than its global counterpart, Brent Crude. In an extreme case in April 2020, a severe lack of storage at Cushing caused WTI futures prices to drop into negative territory for the first time in history—sellers were literally paying buyers to take the oil off their hands.
For the average investor, understanding WTI is less about trading the physical commodity and more about understanding a key driver of the economy. A value investing approach focuses on how oil prices affect the underlying value of businesses.
You're probably not going to have a barrel of WTI delivered to your doorstep. Instead, investors gain exposure to its price movements through financial markets.
The price of WTI is a powerful economic indicator influenced by several key factors.
WTI's main rival is Brent Crude. While both are high-quality oils, their key difference is geography. Brent is priced off oil produced in the North Sea, making it a seaborne crude. This means it's more representative of the global oil market and is the benchmark for most of the oil traded in Europe, Africa, and the Middle East. The price difference between the two, known as the Brent-WTI spread, is a closely watched indicator. It reflects the relative supply-and-demand dynamics of the U.S. market versus the rest of the world. For investors in the energy sector, understanding this spread provides deep insight into the profitability of U.S. producers and the flow of global oil trade, which in turn influences everything from shipping costs to inflation.