Mars Blend
$83.41USD/BBL
▲ +0.74 (+0.89%)
- Class
- Medium/Sour
- API
- 30°
- Sulfur
- 1.87%
Crude grade comparison
Mars Blend vs Basrah Kurmala
Price, Mars Blend spread, quality and refinery yields side by side. Updated .
VS
Mars Blend – Basrah Kurmala spread
-34.21 USD/BBL · Mars Blend premium
Basrah Kurmala
$117.62USD/BBL
■ 0.00(0.00%)
- Class
- Medium/Sour
- API
- 32.2°
- Sulfur
- 2%
Mars Blend Crude vs Basrah Kurmala Crude: on July 06, 2026 Mars Blend settled at $83.41/bbl (+0.89%) and Basrah Kurmala at $117.62/bbl (0.00%), putting Basrah Kurmala $34.21 above Mars Blend. Mars Blend is medium/sour crude (30° API, 1.87% sulfur); Basrah Kurmala is medium/sour crude (32.2° API, 2% sulfur).
Price history
Mars Blend vs Basrah Kurmala price chart
Daily assessed prices in USD per barrel and the spread between them.
- 30-day Mars Blend avg
- $104.91 30 shared days
- 30-day Basrah Kurmala avg
- $119.08 30 shared days
- Average spread
- -14.17 Mars Blend minus Basrah Kurmala
- Days Mars Blend above
- 0 / 30 widest $19.54 on 2026-03-01
Mars Blend – Basrah Kurmala spread $/bbl · above zero: Mars Blend premium · below zero: Basrah Kurmala premium
Free view: last 30 days. Gaps mark days with no assessment. Subscribe for longer history and Excel export.
View as table
| Date | Mars Blend | Basrah Kurmala | Spread |
|---|---|---|---|
| 14 Apr 2026 | - | 117.62 | - |
| 07 Apr 2026 | - | 122.00 | - |
| 15 Jun 2026 | 96.25 | - | - |
| 12 Jun 2026 | 100.20 | - | - |
| 11 Jun 2026 | 100.20 | - | - |
| 10 Jun 2026 | 104.49 | - | - |
| 09 Jun 2026 | 110.04 | - | - |
| 08 Jun 2026 | 113.50 | - | - |
| 05 Jun 2026 | 112.21 | - | - |
| 04 Jun 2026 | 114.22 | - | - |
| 03 Jun 2026 | 115.36 | - | - |
| 02 Jun 2026 | 108.00 | - | - |
| 01 Jun 2026 | 108.00 | - | - |
| 29 May 2026 | 107.54 | - | - |
| 27 May 2026 | 109.28 | - | - |
| 22 May 2026 | 115.83 | - | - |
| 21 May 2026 | 116.85 | - | - |
| 20 May 2026 | 119.41 | - | - |
| 19 May 2026 | 118.64 | - | - |
| 18 May 2026 | 120.05 | - | - |
| 15 May 2026 | 116.98 | - | - |
| 14 May 2026 | 121.23 | - | - |
| 13 May 2026 | 122.16 | - | - |
| 12 May 2026 | 121.51 | - | - |
| 11 May 2026 | 118.49 | - | - |
| 07 May 2026 | 113.97 | - | - |
| 05 May 2026 | 119.96 | - | - |
| 04 May 2026 | 119.96 | - | - |
| 01 May 2026 | 119.96 | - | - |
| 29 Apr 2026 | 118.44 | - | - |
| 27 Apr 2026 | 119.06 | - | - |
| 01 Mar 2026 | 98.08 | 117.62 | -19.54 |
Price analysis
Highs and lows by period
| Period | Mars Blend | Basrah Kurmala | ||||
|---|---|---|---|---|---|---|
| High | Low | Range | High | Low | Range | |
| 7 Days | - | - | -% | - | - | -% |
| 30 Days | - | - | -% | - | - | -% |
| 90 Days | - | - | -% | - | - | -% |
| 180 Days | 122.16 | 62.15 | 49.12% | - | - | -% |
| 365 Days | 122.16 | 62.15 | 49.12% | 122 | 117.62 | 3.59% |
Range = (high − low) ÷ high.
Daily prices
Recent prices & spread
| Date | Mars Blend | Chg | Basrah Kurmala | Chg | Spread |
|---|---|---|---|---|---|
| 98.08 | 0 | 117.62 | 0 | -19.54 | |
| 119.06 | +20.98 | ||||
| 118.44 | -0.62 | ||||
| 119.96 | +1.52 | ||||
| 119.96 | 0 |
Full daily history for both grades since 2019 is available to subscribers.Subscribe now
Crude quality
Quality & refinery yields
How the two crudes differ in the barrel. Each property uses its own scale.
- Mars Blend Crude
- Basrah Kurmala Crude
Physical & chemical properties
API gravityhigher = lighter
MB30°
BK32.2°
Sulfur contenthigher = sourer
MB1.87%
BK2%
Densityhigher = heavier
MB0.87 g/cm³
BK0.86 g/cm³
Viscosityhigher = thicker
MB8.5 cSt
BK8.5 cSt
Pour pointhigher = waxier
MB10 °C
BK15 °C
Typical refinery yields
Gasoline% of barrel
MB20-24%
BK20-24%
Diesel% of barrel
MB40-45%
BK38-42%
Jet fuel% of barrel
MB10-12'%
BK10-12'%
Residual fuel% of barrel
MB18-22%
BK18-22%
Bars show each yield range; the faint part runs from 0 to the low end. Scale 0–50%.
Full specification comparison
| Property | Mars Blend Crude | Basrah Kurmala Crude | Mars Blend − Basrah Kurmala |
|---|---|---|---|
| Classification | |||
| Classification | Medium/Sour | Medium/Sour | |
| Origin | USA (Gulf of Mexico) | Iraq (Rumaila Kurmala layer) | |
| Chemical properties | |||
| API gravity | 30° API | 32.2° API | -2.2 °API |
| Sulfur content | 1.87% | 2% | -0.13% |
| Density | 0.87 g/cm³ | 0.86 g/cm³ | +0.01 g/cm³ |
| Pour point | 10 °C | 15 °C | -5 °C |
| Viscosity | 8.5 cSt | 8.5 cSt | 0 cSt |
| Typical refinery yields | |||
| Gasoline | 20-24% | 20-24% | 0 pts |
| Diesel | 40-45% | 38-42% | +3 pts |
| Jet fuel | 10-12'% | 10-12'% | 0 pts |
| Residual fuel | 18-22% | 18-22% | 0 pts |
| Trading & logistics | |||
| Delivery basis | LOOP Clovelly, Louisiana | Basrah terminals | |
| Major exchanges | Argus (ASCI); CME Mars Futures | SOMO OSP differential | |
| Export hub | LOOP Clovelly, Louisiana | Basrah terminals | |
| Main destinations | US Gulf Coast refineries | Asia | |
| Benchmark type | Regional (US Gulf) | Regional | |
| Market profile | |||
| Key characteristics | US Gulf Coast benchmark, coker feedstock | Iraqi segregated low-sulfur layer | |
| Refining notes | High sulfur & resid; processed in coking refineries | Quality-segregated from main crude stream | |
FAQ
Mars Blend vs Basrah Kurmala questions
The spread, the quality gap and why each grade is a benchmark.
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July 06, 2026 Mars Blend Crude was $83.41 and Basrah Kurmala Crude $117.62 per barrel, so Basrah Kurmala traded at a premium of $34.21 over Mars Blend. Over the previous 30 shared price days the spread averaged -14.17 $/bbl, with Basrah Kurmala priced above Mars Blend on 0 day(s).
Mars Blend Crude is a medium/sour USA (Gulf of Mexico) crude (30° API, 1.87% sulfur) and Regional (US Gulf) benchmark. Basrah Kurmala Crude is a medium/sour Iraq (Rumaila Kurmala layer) crude (32.2° API, 2% sulfur) and Regional benchmark.
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