USA (Gulf of Mexico) Medium/Sour Regional (US Gulf) Argus (ASCI); CME Mars Futures

Mars Blend (USA)

Crude oil price, specifications and price history for Mars Blend from USA (Gulf of Mexico).

Price · USD/bbl $83.41
▲ +0.74(+0.9%)
Updated
API gravity30°Medium
Sulfur1.87%Sour
Density0.87g/cm³
DeliveryLOOP Clovelly Louisiana

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Mars Blend was priced at $83.41 per barrel on July 06, 2026, up $+0.74 (+0.9%) from $82.67 in the previous session. Mars Blend is a Medium, Sour crude (30° API, 1.87% sulfur) delivered at LOOP Clovelly, Louisiana, and traded on Argus (ASCI); CME Mars Futures as the main Regional (US Gulf) benchmark. Over the last 30 days it ranged between $62.15 and $113.50.

Price analysis

Mars Blend price analysis

Mars Blend high, low and range by period, USD per barrel
PeriodHighLowRange %Range · current $83.41
180 Days122.1662.1549.12%
365 Days122.1662.1549.12%

Bars span $62.15–$122.16, the full 365-day range.

Daily prices

Recent price history

Mars Blend last 5 daily prices, USD per barrel
DatePriceChangeChange %
98.080.000.00%
119.06+20.98+21.39%
118.44-0.62-0.52%
119.96+1.52+1.28%
119.960.000.00%
Full daily history since 2019 is available to subscribers. Subscribe now
Price history

Mars Blend price history chart

Daily assessed price in USD per barrel.

Mars Blend USD/bbl

Last price
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Period change
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Period high
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Period low
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Line chart of daily prices

Free view: last 30 price assessments. Subscribe for daily history back to 2019 and Excel export.

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DatePrice (USD/bbl)Change
Crude quality

Technical specifications

Classification, chemical properties and trading details for Mars Blend.

Basic classification

Grade name
Mars Blend
Classification
Medium/Sour
Region / field
USA (Gulf of Mexico)

Chemical properties

API gravity
30 °API
Sulfur content
1.87%
Density
0.87 g/cm³
Pour point
10 °C
Viscosity
8.5 cSt

Trading & logistics

Delivery basis
LOOP Clovelly, Louisiana
Major exchanges
Argus (ASCI); CME Mars Futures
Export hub
LOOP Clovelly, Louisiana
Main destinations
US Gulf Coast refineries
Benchmark type
Regional (US Gulf)

Typical refinery yields

  • Gasoline 20-24%
  • Diesel 40-45%
  • Jet fuel 10-12'%
  • Residual fuel 18-22%

Key characteristics

US Gulf Coast benchmark, coker feedstock

Typical use / refining notes

High sulfur & resid; processed in coking refineries

FAQ

Mars Blend frequently asked questions

Quality, pricing and refining questions about Mars Blend.

Mars Blend serves as a cornerstone feedstock for Gulf Coast refineries specifically configured for medium sour crude processing. Its 28.9° API gravity and 2.1% sulfur content match the design specifications of complex refineries with hydrocracking and coking units, enabling optimal economic performance. The crude's domestic production provides supply security while its consistent quality from Shell/BP operations ensures reliable refinery planning and operations.

As a primary component of the Argus Sour Crude Index, Mars Blend pricing influences broader US sour crude markets and provides hedging opportunities for refiners processing similar grades. The ASCI weighting mechanism ensures Mars pricing reflects actual trading volumes and market liquidity, making it a reliable benchmark for US Gulf Coast sour crude markets and enabling effective risk management for market participants.
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