Refining Margin

Monday, 10am: Rotterdam. Brent stands at 80 USD per barrel. A refinery chief sits in the conference room and calculates: What do I earn today if I process 1 barrel of crude and sell the products?

The math is simple: I buy the crude for 80 USD. I burn energy, chemicals, and wages (cost about 2 USD). I sell from one barrel: 0.45 barrels diesel at 0.95 USD/L (about 200 USD), 0.35 barrels gasoline at 0.92 USD/L (about 140 USD), 0.15 barrels heating oil at 0.85 USD/L (about 50 USD), 0.05 barrels kerosene at 1.0 USD/L (about 20 USD). Total sale proceeds: about 410 USD. Minus crude costs 80 USD, minus operating costs 2 USD = 328 USD per barrel margin? No, because prices trade in different units and conversion losses occur. Realistically: about 8 USD/barrel margin in normal times.

Now: Tuesday, Russia gets hit with oil sanctions. Demand for European diesel explodes. Diesel lead times become tight. Diesel price jumps to 1.50 USD/L (from 0.95 USD). The refinery chief recalculates: The same barrel is now worth 35 USD/barrel extra margin, because diesel is suddenly scarce and commands premium prices.

That's the core: Refinery profits don't rise linearly with crude prices. They spike when individual products (diesel, kerosene, heating oil) become scarce.

Refining margins in 2026: what the numbers say

Refining margins and refinery margins moved to record territory in September 2026. The International Energy Agency (IEA) said in its Oil Market Report of 11 September 2026 that the global refining system is "stretched to the limit" as shrinking buffers push diesel prices to records, and it described refinery margins in the Atlantic Basin as being at record levels on the widening gap between crude and refined product prices (IEA Oil Market Report, 11.09.2026, via Hellenic Shipping News, 12.09.2026). For the general definitions of normal and shock-level margins, see the ranges above; this section adds the current, dated 2026 evidence for global fuel refining margins and oil refining margins.

In the United States, the U.S. Energy Information Administration (EIA) reported refinery utilization at 97.8 percent and distillate stocks 13 percent below the five-year average as of 11.09.2026, a combination that keeps diesel and heating oil crack spreads wide even when crude itself is volatile.

A distillate crack proxy for 11.09.2026

Using the NY Harbor ULSD futures settlement of 5.10 USD per gallon and WTI crude at 103.80 USD per barrel, both for 11.09.2026 (Trading Economics), a simple distillate crack proxy comes out at 110.40 USD per barrel (5.10 USD/gal times 42 gallons per barrel, minus 103.80 USD WTI). This is a proxy calculated from settlement prices, not an official refiner margin, but it is consistent in direction with the IEA's record-margin language above. For the standard 3:2:1 crack spread formula and a worked example, see the diesel crack spread and crack spread glossary pages.

Refining margins are also being squeezed from the supply side. Russian refinery throughput fell to about 3.6 million barrels per day in July 2026, versus a normal range of 5.3 to 5.6 million barrels per day, after Ukrainian drone strikes on refineries (Bloomberg, via The Moscow Times, 03.08.2026). In Saudi Arabia, the Aramco refinery at Jizan was struck twice within a month, on 09.08.2026 and again on 07.09.2026 (Al Jazeera), removing refined-product capacity at the same time as Hormuz shipping remains disrupted; see Hormuz crisis and fuel prices for the shipping side of that story.

Put together, "normal" margins are the ranges in the table above, roughly 5 to 15 USD per barrel outside a crisis. A margin environment counts as a crisis when refinery utilization runs near capacity (97.8 percent in the US in September 2026), distillate inventories sit well under seasonal norms (13 percent below the five-year average), and a regulator such as the IEA describes the system itself, not just prices, as stretched. All three conditions were true at once in September 2026, which is why margins, not just crude, explain part of the pump-price story this year.

Sources for the 2026 update

• IEA, Oil Market Report, September 2026 (11.09.2026)
• Hellenic Shipping News, IEA: Intensifying diesel squeeze reflects disruptions to oil product supplies (12.09.2026)
• U.S. Energy Information Administration, Weekly Petroleum Status Report (data as of 11.09.2026)
• Trading Economics, Heating Oil (NY Harbor ULSD futures, 11.09.2026)
• Trading Economics, Crude Oil WTI (11.09.2026)
• The Moscow Times, Russian Oil Refining Falls to 24-Year Low After Ukrainian Drone Strikes, Bloomberg (03.08.2026)
• Al Jazeera, Saudi Arabia says fire extinguished at Aramco facility in Jizan (09.08.2026)
• Al Jazeera, Oil prices surge as US-Iran strikes intensify in Strait of Hormuz (07.09.2026)

Definition: From crude to gasoline

A refinery is a factory with one mission: convert crude oil into hundreds of products. The margin is the profit per unit of input:

• Input: Crude oil (e.g., Brent) at world market price
• Process: Distillation, cracking, reforming, blending (produces: gasoline fractions, diesel, kerosene, heating oil, fuel oil, lubricants, bitumen, petrochemical feedstocks)
• Output: Portfolio of 10–50 products at different prices
• Margin: (Total value of output products) − (crude costs) − (operating costs: energy, chemicals, labor) = USD per barrel input

A simple refinery (hydroskimming) can only distill. Margin: typically +2–5 USD/bbl. A complex refinery (cracking, reforming, isomerization) can convert heavy oils into high-value light gasoline. Margin: typically +8–20 USD/bbl normal, +40–80 USD/bbl in shocks.

Refinery profits in history: Normal vs. shock margins

Normal times (2010–2019):

• NW Europe Brent cracking margin (3-2-1 spread): 5–8 USD/bbl average
• US Gulf Coast: 4–7 USD/bbl
• Singapore: 3–6 USD/bbl (simpler refinerics, higher transport costs)
• Refineries run at 80–90% utilization, moderate earnings

2008 Financial Crisis (crude crashes from 147 to 30 USD):

• Margins spike to 20–35 USD/bbl (consumers can't adjust fast, supply chains invert)
• Refineries earn massively while crude producers go bankrupt

2020 COVID-19 (demand collapse):

• Margins drop to 1–3 USD/bbl (product oversupply, storage crisis)
• Refineries cut runs, many units idled

2022 Russia sanctions (diesel shortage in Europe):

• NW Europe diesel cracking margin explodes to 45–80 USD/bbl (highest ever recorded)
• Refinery profit per barrel jumps from 8 to 50+ USD, a 6x jump
• Consumers pay double pump prices, refiners post record earnings

How margins emerge, crack spreads and refinery complexity

What is the crack spread?

The 3-2-1 spread is the benchmark measure for refinery margins: it's the profit from processing 3 barrels of crude into 2 barrels gasoline + 1 barrel heating oil (nomenclature comes from output volume). In USD/bbl: (Price 2 × gasoline + Price 1 × heating oil) − (Price 3 × crude) = crack margin.

This spread is traded daily like a financial future on exchanges (NYMEX, ICE). Traders speculate, refiners hedge, analysts track it.

Regional spreads vary:

• Northwest Europe (Rotterdam basis): Largest refinery cluster, highest complexity, deepest markets. Normal range: 8–12 USD/bbl, shock range: 40–80 USD/bbl.
• US Gulf Coast: Massive refinery capacity, heavy export orientation. Normal range: 5–10 USD/bbl, shock range: 20–40 USD/bbl (less volatility than Europe, US less import-dependent).
• Singapore: Hub for Asia, but many simple refineries. Normal range: 2–5 USD/bbl, shock range: 10–25 USD/bbl (lower absolute margins).

Refinery complexity drives margin:

• Hydroskimming (simple): Distillation only, yields gasoline + heating oil. Cannot upgrade heavy fractions. Margin +2–5 USD/bbl. Typical for old, small plants.
• Cracking (complex): Catalytic or thermal cracking splits heavy fractions into light gasoline. Can process heavy, sour crude. Margin +8–20 USD/bbl normal, +40–80 USD in crises.
• Reforming (premium): Reforming unit produces high-octane gasoline. Margin +10–25 USD/bbl, even higher during gasoline shortages.

What refinery profits mean for your wallet

Scenario 1: Normal year (refinery margin 8 USD/bbl).

• Brent costs 85 USD. Refinery sells products at net value 93 USD (85 + 8 margin). The 8 USD/bbl covers opex and profit.
• Your heating-oil quote reflects this margin. You pay a wholesale price tracking crude + reasonable markup.

Scenario 2: Supply shock (e.g., 2022 diesel shortage, refinery margin 50 USD/bbl).

• Brent costs 100 USD. Refinery sells products (esp. diesel) at net value 150 USD (100 + 50 margin). The 50 USD/bbl is record-breaking.
• This signals markets: Diesel is scarce, refiners can extract premium pricing.
• Your heating-oil price JUMPS disproportionately, because suppliers embed the wide margin into their quotes. You pay not just for the expensive crude cost, but also for the wide margin spread.
• Example: Brent rises 10 USD (80 → 90). Normally heating oil rises 0.08–0.10 EUR/L (pass-through). But if refinery margin widens by 15 USD/bbl simultaneously (diesel shortage), you pay ADDITIONALLY 0.10–0.15 EUR/L. Total effect: heating oil rises 0.18–0.25 EUR/L (crude + margin expansion).

Action: Monitor margins for timing

1. Read EIA/Argus refinery margins (weekly): If margins normally run 8 USD/bbl and you see "margins at 25 USD/bbl," it's a tightness signal. Order heating oil immediately before wholesale prices fully reflect the margin expansion.
2. Watch diesel vs. gasoline spreads: If only diesel spreads explode (not gasoline), then diesel-rich refineries are tight. That hits heating oil. Action signal: ORDER NOW.
3. Exploit regional differences: If margins in North-West Europe are far above those in the United States, the shortage is regional rather than global. Governments can respond with stock releases or by easing export restrictions; how fast margins then narrow differs from case to case. The current US values are on our crack spread chart page (EIA data).
4. Check capacity utilization: If refineries globally 85%+ and spreads wide, no new capacity coming online soon. Margins stay high for months. Strategy: Medium-term inventory approach, not tactical daily trading.