The Strait of Hormuz crisis proved why Crude oil is the lifeblood of the world economy. The world consumes approximately 105 million barrels of crude oil per day. India alone consumes ~5.5 million barrels per day. But one particular trait about this extraordinary commodity, which makes it interesting, is its pricing. Governments track it, corporates and investors analyse it 24/7 throughout their lives. Crude oil price is unarguably the single most important factor impacting human lives daily.
But how are crude oil prices determined on a global level? And with crude oil coming from different parts of the world, how does the pricing mechanism work? Unlike gold and silver, crude oil does not have a single price. Determining crude oil price operates through a system of benchmark crudes and price differentials. Understanding how these benchmarks work is essential to understanding crude oil prices.
Crude Oil Prices: Quality Spectrum
Crude oil is an unrefined mixture of hydrocarbons extracted from underground reservoirs. The quality of this unrefined mixture, extracted as crude oil, plays an important role in pricing. Two fundamental chemical properties measure the quality.
1. API Gravity: It is a measurement of how dense the crude oil is with respect to water. It is measured using the American Petroleum Institute (API) gravity index. Crude oils having an API gravity of more than 33 come under Light, while those between 22 and 33 are considered Medium, and anything below 22 is categorised as Heavy.
2. Sulfur Content: Crude with sulfur content less than 0.5% is classified as Sweet, while anything higher is classified as Sour.
The major classification of crude oil based on these two chemical properties is presented in the table below:
Crude Oil Benchmark Mechanisms
When a news headline reports that “oil is trading at $80 per barrel”, they are usually referring to a benchmark rather than every crude oil grade in the world. There are hundreds of different crude oil grades produced globally. Therefore, the industry relies on a set of reference crude grades known as benchmarks. These benchmarks act as reference prices.
There are 3 globally accepted crude oil benchmarks.
1. Brent Crude: It is the most important crude oil benchmark in the world. Originating from the Brent field in the North Sea, Brent has evolved into a basket of several North Sea crudes (BFOETM: Brent, Forties, Oseberg, Ekofisk, Troll, and WTI Midland). It is a light, sweet crude. It prices roughly two-thirds to three-quarters of internationally traded crude oil. Brent crude is transported via sea route, making it the most relevant for global trade.
2. WTI (West Texas Intermediate): WTI is the benchmark for the United States. Sourced from the United States (primarily the Permian Basin), WTI is an ultra-light, very sweet crude. It is one of the highest quality crude oils in the world. WTI trades at a premium or discount to Brent depending on the production levels, demand, pipeline constraints, and storage conditions.
3. Dubai/ Oman Crude: Dubai/ Oman benchmarks are primarily used as a standard reference for Middle Eastern crude exports heading to Asian markets (the East of Suez market). Since Asian refineries have invested heavily in complex conversion capacity to process sour crude, Dubai/Oman serves as their primary baseline.
Crude Oil Price Discovery: Futures Market
The baseline price is discovered via future contracts of oil traded on different exchanges, like Intercontinental Exchange (ICE) for Brent crude and New York Mercantile Exchange (NYMEX) for WTI. Financial participants (producers, consumers, hedge funds, and market-makers) trade millions of paper barrels daily, reflecting immediate macroeconomic expectations, geopolitical risks (such as the threat of closures in the Strait of Hormuz), inflation, and monetary policies. The futures market effectively creates the reference price used throughout the physical market.
Crude Oil Price Discovery: Physical Market
Price Reporting Agencies (PRAs) like assess these real-world deals daily. For example, Platts publishes "Dated Brent"—the price of physical light North Sea crude cargoes loading in a specific future date range. This bridge connects financial futures back to physical waterborne reality. The pricing mechanism has four steps.
1. Benchmark: The baseline financial value set on screen (futures).
2. Window: A 30 min window to place live bids.
3. The Calculator: Adjustments applied for freight, quality, and basket
4. Final Price: The official physical market price.
Platts Dated Brent Crude Oil Pricing Process
BFOETM Basket: Platts groups 6 premium crudes together to create volume: Brent, Forties, Oseberg, Ekofisk, Troll, and America's WTI Midland (added to the European basket in 2023).
Cheapest-to-Deliver Rule: During the 30-minute Market-on-Close (MOC) window, major oil firms submit transparent, non-anonymous bids and offers.
Calculation: Platts determines which of the 6 crudes is the most competitive (cheapest) on that day. The cheapest grade sets the price for the entire Dated Brent index.
More Details
Platts Dubai Crude Oil Pricing Process
Persian Gulf Basket: Mirroring the evolution of Brent, the original Dubai field has seen its reserves deplete. Consequently, the index has transitioned into a consolidated basket comprised of five significant Middle Eastern grades: Dubai, Oman, Upper Zakum, Al Shaheen, and Murban.
Partial System: Market participants engage in the exchange of "partials" increments of 25,000 barrels throughout the Singapore trading window. Upon the execution of 20 such partials with a single counterparty, the transaction triggers the mandatory physical delivery of a standard 500,000-barrel cargo.
The Quality Equalizer: To maintain consistency, given that Murban represents a superior light grade compared to its peers, Platts implements a mathematical premium adjustment. This mechanism ensures that the aggregate index remains a steadfast reflection of a medium-sour baseline, regardless of the specific light oil volumes delivered.
Platts WTI Crude Oil Pricing Process
Inland Logistics Hub: A key distinction from Brent or Dubai, which rely on maritime assessments, is that WTI pricing centers on the massive pipeline infrastructure in Cushing, Oklahoma, or terminal gateways along the Gulf Coast, such as Houston.
Liquidity without Baskets: WTI maintains high liquidity through the sheer volume of consistent shale oil extracted from the Permian Basin, removing the necessity for a multi-grade basket system to stabilize its market presence.
Discovery Process: Platts monitors physical pipeline volumes traded among producers and midstream operators. By analyzing "spot cash" differentials against NYMEX futures, they establish a definitive value for oil prepared for immediate storage or export.
For Simplicity, the final price can be calculated as:
Price (Physical Oil) = Price (Benchmark) +/- Differential (Premium/ Discount)
The differential is a component that is expressed as a premium or discount to one of the major benchmarks. The differential shifts are based on:
Quality: If a grade has higher sulfur content or lower API gravity than the benchmark, it is discounted. Better refining yields command higher prices.
Freight Cost: The cost of shipping crude from the extraction point to the consuming refinery. Higher freight costs expand regional price spreads.
Market Demand: Temporary shortages can increase premiums. For example, if petrol demand increases relative to diesel, light-sweet crudes will see their premiums widen relative to heavier grades.
India, the world's third-largest crude oil consumer, imports over 85% of its requirements, which is procured under contracts primarily priced against Platts Dated Brent Benchmark, the physical market assessment published by S&P Global Energy, and the globally accepted pricing standard in crude supply contracts worldwide.
Factors Affecting Crude Oil Pricing Globally
1. Geopolitical Stability: Most crude oil producing zones across the world are heavily prone to geopolitical stability. Any major event, like a war, can trigger geopolitical instability and disrupt production by millions of barrels, and also threaten major oil checkpoints, disturbing smooth transit. Channels like Bab-el-Mandeb, Suez Canal, and the Strait of Hormuz (responsible for ~20% global crude oil transportation) are subject to geopolitical conflicts, insurance and freight costs skyrocketing, pushing crude oil benchmarks upward.
2. OPEC Supply: It is a crucial factor affecting crude oil prices. OPEC countries produce nearly 35% of the world’s crude oil. The Organization of the Petroleum Exporting Countries (OPEC) actively manages oil production. They set production targets & limits as to how much a member nation can produce. Any signal indicating a change in production can heavily impact the global crude oil prices.
3. Non-OPEC Supply: Crude oil prices are directly affected by supply from countries outside of OPEC (Organisation of the Petroleum Exporting Countries). If the production of Non-OPEC countries increases, the crude oil prices decrease due to an increase in total global crude oil supply, and vice versa. The magnitude, however, depends upon the global demand, non-OPEC supply changes, and non-OPEC production cost.
Non-OPEC contributed 65% to the total global crude oil production in 2024. The USA and Russia were key producers. When OPEC cuts supply to raise prices, non-OPEC nations often ramp up production to capture market share, capping how high prices can go.
4. Inventory Levels: Oil inventories mean stockpiled crude oil and petroleum products at various places such as storage terminals, refineries, vessels, etc. Falling inventory levels signal increased consumption than expected, which can push up the prices in fear of future scarcity.
Increasing inventory levels, on the other hand, indicate a decrease in expected consumption, driving the prices down.
5. Demand (OECD vs Non-OECD): Organization of Economic Cooperation and Development (OECD) includes developed economies like the USA, parts of Europe, etc. After 2012, Non-OECD demand for crude oil tends to exceed that of OECD nations. The combined oil demand is increasing. Any sudden increase or decrease in the demand with respect to consumption (OECD) and usage to fuel economic growth (Non-OECD) can influence the crude oil price.
Conclusion
Crude oil price is often seen as a number on the screen, but behind it is a complex chain of mechanisms that determine the final price. From benchmark crude oils to barrel shipments, every detail, small or big, has its impact. With the focus shifting towards renewable energy, crude oil remains the most unique commodity on the face of the earth.
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