Crude Oil Benchmarks Explained

A crude oil benchmark is a reference price that buyers and sellers use to value physical oil. Three markers do most of the work: Brent for Atlantic Basin and most internationally traded crude, WTI for US oil, and Dubai/Oman for Middle East crude sold to Asia. Hundreds of other grades are priced as a premium or discount to one of them.

Updated 13 October 2026 · Sources: ICE, CME, S&P Global Platts, IEA Oil Market Report, ADNOC, OPEC, Canada Energy Regulator

How a benchmark becomes a price

Most physical cargoes are not sold at a fixed dollar price. A contract says, for example, "Dated Brent plus $1.20" or "Oman/Dubai average minus $0.50". The benchmark supplies the moving part and the differential reflects the grade's quality, location and freight cost. Benchmarks are set in one of two ways:

The two layers are linked. ICE Brent futures settle against the forward physical market, and traders use swaps and contracts for difference to move between the paper and physical prices. The Brent crude oil price page covers the futures contract that most headlines quote.

Crude oil benchmarks compared

Major crude oil benchmarks and reference grades
BenchmarkAPI gravitySulfurPricing locationHow it is pricedMain use
Brent (Dated / ICE)~38°~0.4%North Sea, FOB (WTI Midland CIF Rotterdam)Platts Dated Brent; ICE Brent futuresEurope, Africa, most seaborne crude
WTI (Cushing)37–42°<0.42%Cushing, OklahomaNYMEX futures, physical deliveryUS domestic crude
WTI MidlandLightSweetMidland, Texas; also in Dated BrentPRA differential to WTI CushingPermian crude, US exports
LLS34–41°≤0.4%St. James, LouisianaPRA differential to WTIUS Gulf Coast light sweet
Mars~30°~1.8–2%US Gulf CoastPRA differential to WTI; part of the Argus Sour Crude IndexUS Gulf medium sour
WCS~20.5–21.5°~3–3.7%Hardisty, AlbertaDifferential to WTI CushingCanadian heavy oil
Dubai / Oman~31° (Dubai)~2% (Dubai)Arabian Gulf / Gulf of Oman, FOBPlatts Dubai partials; Oman futuresMiddle East crude sold to Asia
Murban~40°~0.78%Fujairah, UAE, FOBICE Futures Abu Dhabi, physical deliveryADNOC exports, Asian light crude
Urals~30°~1.4–1.7%Baltic and Black Sea ports, FOBPRA differential to Dated BrentRussian seaborne exports
OPEC basketMixedMixedAverage of member gradesOPEC Secretariat calculationReference and monitoring, not traded

Quality data: CME NYMEX contract rules (WTI), ADNOC (Murban), Oil Sands Magazine and Crude Monitor (WCS), RBN Energy (LLS, Mars), Reuters loading data from 2022 (Urals). Values are typical ranges. Individual cargoes vary. See API gravity and sweet vs sour crude for what the numbers mean.

The three global markers

Brent: the Atlantic Basin reference

Brent is a basket of North Sea grades (Brent, Forties, Oseberg, Ekofisk and Troll), plus US WTI Midland delivered into Rotterdam since June 2023. The physical price is Dated Brent, assessed by Platts. The traded price is ICE Brent futures. The two can diverge sharply in a supply crisis, as the Brent spot vs futures guide shows.

WTI: the US reference

WTI is a light sweet US crude priced at the pipeline hub of Cushing, Oklahoma. NYMEX WTI futures are physically delivered there, which ties the price to US inland supply and storage. The Brent-WTI spread usually reflects the cost of moving US crude to the coast and across the ocean.

Dubai/Oman: the Asian reference for Gulf crude

Saudi Arabia, Iraq, Kuwait and other Gulf producers price most of their sales to Asia against the monthly average of Dubai and Oman. Platts assesses Dubai through its Market on Close process, in which trades of 25,000-barrel "partials" can converge into full cargoes. The IEA estimates that Dubai normally prices about 14 million barrels per day of Middle East supply.

Regional and grade benchmarks

Below the three global markers sit benchmarks for specific regions and qualities:

Why benchmarks split apart in 2026

Benchmarks normally move together, separated by quality and freight differentials of a few dollars. The Middle East conflict that began with US and Israeli strikes on Iran on 28 February 2026, and the near-halt of tanker traffic through the Strait of Hormuz that followed, broke those relationships:

The EIA's October 2026 Short-Term Energy Outlook puts the September 2026 Brent spot average at $114/bbl and assumes Middle East flows remain constrained through the fourth quarter. For the month-by-month record, see oil prices in 2026.

Which benchmark should you follow?

For a wider view of the forces behind all of them, see what moves oil prices.

Benchmark guides

Dated Brent

The physical North Sea price, the BFOET basket and WTI Midland.

Brent spot vs futures

Why the spot and futures prices differ and which one headlines use.

WTI Midland

The Permian grade that joined the Dated Brent basket in 2023.

Dubai crude

Platts partials, the Brent-Dubai EFS and Middle East pricing for Asia.

Murban crude

ADNOC's light grade and the ICE Futures Abu Dhabi contract.

OPEC basket price

Which crudes make up the OPEC Reference Basket and how it is used.

Urals crude

Russia's export blend, its discount to Brent and the price cap.

Western Canadian Select

Heavy sour oil from Alberta and the WCS-WTI discount.

Louisiana Light Sweet

The Gulf Coast light sweet marker and the LLS-WTI spread.

Mars crude

The US Gulf medium sour benchmark and what its differential signals.

Sweet vs sour crude

Sulfur thresholds, refinery complexity and the sour discount.

API gravity

The formula, light vs heavy thresholds and examples by grade.

Crude oil benchmarks FAQ

What are the main crude oil benchmarks?

The three main benchmarks are Brent, WTI and Dubai/Oman. Brent prices most internationally traded crude, WTI prices US oil and Dubai/Oman prices Middle East crude sold to Asia. Murban, Urals, WCS, LLS and Mars are important regional markers, and OPEC publishes a basket average of its members' grades.

Why are there different oil prices for different crudes?

Crude oils differ in density, sulfur content and location. Light, low-sulfur crude yields more gasoline and diesel and needs less processing, so it usually sells for more. Location matters because freight, pipeline tariffs and supply risks differ. Each grade is therefore priced as a differential to a benchmark.

Which oil benchmark is the most important?

Brent is usually described as the most important because it is used, directly or indirectly, to price most internationally traded crude. NYMEX WTI is the most heavily traded crude oil futures contract. Dubai/Oman matters most for Asian importers of Middle East oil.

Is the OPEC basket price a benchmark you can trade?

No. The OPEC Reference Basket is an average of member countries' export crudes calculated by the OPEC Secretariat. It is used to monitor the market and in OPEC analysis. Physical cargoes and futures are priced against Brent, WTI, Dubai/Oman or Murban instead.

Why did Dubai trade above Brent in 2026?

After the Strait of Hormuz was effectively closed in March 2026, Asian refiners competed for the few Middle East barrels that could still be loaded. The IEA says Dubai moved to a premium of about $50/bbl to North Sea Dated in March, against a 30-year average discount of about $2/bbl.

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