Crude Oil Pricing: WTI, Brent and Crack Spreads | SG Group
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CRUDE TO PRODUCTS → CM04

Crude Oil Pricing: WTI, Brent, Refining Margins and Crack Spreads

“The oil price” appears singular because WTI, Brent and other benchmarks provide shared reference points. Physical crudes still differ in density, sulfur, origin, transport and delivery. Refineries use specific equipment to turn that feedstock into gasoline, diesel, jet fuel and other products. This guide links benchmarks, differentials, stocks, refinery utilization, product demand and crack spreads as one barrel-conversion system.

Who this guide is for: Readers who want to connect oil-inventory headlines to crude quality, logistics and petroleum-product markets

Key points to understand first

BARREL ECONOMICS

One barrel separates into several products and differentials

  1. Produce crudeDensity, sulfur, reliability and gathering
  2. Price to benchmarkWTI, Brent or other reference plus differential
  3. TransportPipeline, vessel, insurance and time
  4. RefineDistillation, cracking, desulfurization and utilization
  5. Sell productsGasoline, diesel, jet fuel and co-products
  6. Meet final demandTransport, industry, heating and exports
Distinguishing crude price, freight, equipment, yield and product demand explains moves that crude stocks alone cannot.
BENCHMARKS

WTI and Brent are pricing reference points, not the whole world price

WTI and Brent are widely used reference systems for crude-oil transactions. WTI is closely connected to U.S. inland logistics, storage and Cushing delivery. Brent anchors much international waterborne pricing. Dubai and Oman references are important for Middle Eastern crude moving to Asia. Identify whether a value is a cash assessment or futures settlement, its timestamp, maturity and delivery terms.

Physical trades are frequently priced as a benchmark plus or minus a differential for quality, regional balance, freight and timing. The spread between benchmarks can change with U.S. export capacity, North Sea supply, tanker rates, currencies and sanctions. A headline that “oil rose” is insufficient until the benchmark and maturity are named.

How to identify an oil price
FieldWhat to recordCommon error
BenchmarkWTI, Brent, Dubai/Oman or otherTreating each as the same physical barrel
MarketCash assessment, futures settlement or OTCComparing different timestamps
QualityAPI gravity, sulfur and other assaysAssuming a fixed quality premium
LocationCushing, North Sea, load port or refineryIgnoring freight and capacity
QUALITY & LOGISTICS

Value depends on the products a refinery can make and at what cost

Lighter crude generally yields more light products through simple processing, while sweet crude requires less sulfur removal. A complex refinery, however, can upgrade heavy sour crude into high-value products. The differential therefore depends on available conversion and desulfurization equipment, product prices, hydrogen and energy expense—not quality labels alone.

Pipeline direction and capacity, port draft, vessel class, transshipment, tanks, insurance, sanctions and regulation enter the location spread. Production can rise while a local crude discounts if takeaway capacity does not. New export capacity can narrow that differential. CM09 decomposes location basis and freight.

REFINERY BALANCE

Connect refinery inputs and utilization to product inventories

A crude-stock draw may result from higher refinery runs and can coincide with rising product stocks. Maintenance can lower runs, build crude stocks and reduce gasoline or distillate supply. Place crude production, imports, exports, refinery inputs, utilization and crude stocks beside product output, trade, stocks and supplied-volume indicators.

Utilization is measured against reported operable capacity and does not by itself reveal feed quality, configuration or yield. Avoid concluding from one weekly observation. Compare four-week averages, the same period last year, seasonal bands and later monthly data.

CRACK SPREAD

A 3-2-1 crack aligns simplified product value with crude input

A 3-2-1 crack assumes that three barrels of crude produce two barrels of gasoline and one barrel of distillate. Convert product quotes from per gallon to per barrel using 42 gallons, and align currency, region and timestamp. A 2-1-1 or another ratio may better describe a different seasonal or regional product mix.

Simplified 3-2-1 crack3-2-1 crack = (2 × gasoline per barrel + distillate per barrel) ÷ 3 − crude per barrelProduct price per barrel = product price per gallon × 42Crack percentage = crack ÷ crude price × 100This excludes energy, hydrogen, labor, fixed cost, freight, actual yield, co-products, hedging and tax.

A wider crack means product value rose relative to crude under the chosen references. It does not guarantee refinery profit. Purchased crude differentials, real yields, inventory accounting, contracts, outages, environmental rules and freight all alter realized economics.

INVENTORY CONTEXT

Explain a weekly stock move through trade, runs and season

EIA weekly petroleum figures are estimates and can differ from later monthly data. Read a crude change with import arrivals, export loadings, refinery inputs, transfers involving strategic stocks, weather and holidays. Add product stocks and four-week product-supplied measures to locate the movement inside the chain.

Normalize inventory by the same week last year, a seasonal range and capacity. Cushing stocks matter to WTI delivery operations, but minimum operating levels are not simply zero. National abundance can coexist with a regional premium when pipeline, port or tank capacity binds.

OIL WORKFLOW

Audit crude, refineries and products on one weekly board

  1. Fix the benchmark

    Record WTI or Brent, cash or future, maturity, time, unit and currency.

  2. Add quality and location

    Track API, sulfur, origin, freight and delivery-point differentials.

  3. Close the crude balance

    Align output, imports, exports, refinery input and stocks.

  4. Connect products

    Review utilization, yields, gasoline and distillate stocks and demand.

  5. Reconcile spreads

    Test benchmark, calendar and crack spreads against the physical quantities.

Macro Research Workbench’s EIA Energy Board can organize published crude and product stocks, output, trade, refinery inputs and utilization. Use Free for core review, Core for recurring comparisons and export, and Global only when custom data joining or reporting is required. It does not forecast oil prices or issue signals.

MINI CALCULATOR

Simplified 3-2-1 crack-spread calculator

Enter gasoline, distillate and crude in the same currency per barrel.

Simplified 3-2-1 crack?currency / barrel
Crack relative to crude?%

This is not refinery profit. Align unit, region and time, then review operating cost, actual yields and co-products.

Frequently asked questions

Which is the world oil price, WTI or Brent?

Both are major references with different delivery and logistics. Physical grades are commonly priced at a differential to an appropriate benchmark.

Does a crude inventory draw guarantee a price rise?

No. Review refinery inputs, trade, expectations, product stocks, season and inventories outside the reported region.

Is a crack spread a refinery’s profit?

No. It is simplified product value minus crude. It excludes operating cost, actual yield, fixed cost, logistics, hedging and tax.

Can I subtract a gasoline quote directly from crude?

Only after unit conversion. A per-gallon quote is normally multiplied by 42 for a per-barrel comparison, with currency, region and time also aligned.

Primary sources and verification links

  1. EIA | Benchmarks play an important role in pricing crude oilWTI, Brent and Dubai/Oman benchmark roles
  2. EIA | Refining crude oil—inputs and outputsCrude quality, refining and product yields
  3. EIA | Weekly Petroleum Status ReportWeekly crude, product, refinery and trade statistics
  4. EIA | What drives crude oil prices: BalanceSupply, inventory and price-spread relationship
  5. CFTC | Commitments of TradersPublished positioning for oil and product futures

Edited and published by: SG Group · Editorial approach: We prioritize primary materials from EIA, USDA, CFTC, NOAA, international commodity bodies, exchanges and index providers. Data definitions, contracts, methodologies and release times can change; verify the current source before acting.

Important notice: This article provides general education about physical commodity markets, statistics, indicators and derivatives. It is not investment advice, a product recommendation, a trade signal, a price forecast or a promise of profit. Prices, quantities and ratios are fictional calculation examples unless an official statistic is expressly identified. Contract units, delivery terms, taxes, fees, margin, trading hours and data definitions vary by commodity, region, venue, provider and date. Verify primary sources and current provider terms before acting.