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Crude grade comparison

Basrah Light vs Alaska North Slope

Price, Basrah Light spread, quality and refinery yields side by side. Updated .

Iraq (Basra, Persian Gulf)

Basrah Light

$108.39USD/BBL
■ 0.00(0.00%)
Class
Medium/Sour
API
30.5°
Sulfur
2.9%
VS
Basrah Light – Alaska North Slope spread +18.49 USD/BBL · Basrah Light premium
USA (Alaska)

Alaska North Slope

$89.90USD/BBL
■ 0.00(0.00%)
Class
Medium/Sour
API
31.9°
Sulfur
0.93%

Basrah Light Crude vs Alaska North Slope Crude: on July 06, 2026 Basrah Light settled at $108.39/bbl (0.00%) and Alaska North Slope at $89.90/bbl (0.00%), putting Basrah Light $18.49 above Alaska North Slope. Basrah Light is medium/sour crude (30.5° API, 2.9% sulfur); Alaska North Slope is medium/sour crude (31.9° API, 0.93% sulfur).

Price history

Basrah Light vs Alaska North Slope price chart

Daily assessed prices in USD per barrel and the spread between them.

  • Basrah Light Crude
  • Alaska North Slope Crude
30-day Basrah Light avg
$108.27
30 shared days
30-day Alaska North Slope avg
$101.33
30 shared days
Average spread
+6.94
Basrah Light minus Alaska North Slope
Days Basrah Light above
14 / 30
widest $18.49 on 2026-06-25

Basrah Light – Alaska North Slope spread $/bbl · above zero: Basrah Light premium · below zero: Alaska North Slope premium

Free view: last 30 days. Gaps mark days with no assessment. Subscribe for longer history and Excel export.

View as table
DateBasrah LightAlaska North SlopeSpread
30 Jun 2026-89.90-
23 Jun 2026-89.90-
22 Jun 2026-89.90-
15 Jun 2026-104.55-
08 Jun 2026-104.55-
04 Jun 2026-106.53-
03 Jun 2026-106.53-
21 May 2026-116.17-
08 May 2026-115.54-
25 Apr 2026-109.05-
17 Apr 2026-90.38-
10 Apr 2026-109.36-
06 Jul 2026108.3989.90+18.49
02 Jul 2026108.3989.90+18.49
01 Jul 2026108.3989.90+18.49
29 Jun 202673.1589.90-16.75
26 Jun 2026108.3989.90+18.49
25 Jun 2026108.3989.90+18.49
18 Jun 2026108.39104.55+3.84
17 Jun 2026108.39104.55+3.84
16 Jun 2026108.39104.55+3.84
12 Jun 2026108.39104.55+3.84
11 Jun 2026108.39104.55+3.84
10 Jun 2026108.39104.55+3.84
09 Jun 2026108.39104.55+3.84
05 Jun 2026108.39--
27 May 2026108.39--
22 May 2026108.39--
19 May 2026117.62116.17+1.45
15 May 2026117.62116.17+1.45
14 May 2026117.62--
07 May 2026117.62--
06 May 2026117.62--
05 May 2026117.62--
04 May 2026117.62--
01 May 2026117.62--
29 Apr 202666.77--
Price analysis

Highs and lows by period

PeriodBasrah LightAlaska North Slope
HighLowRangeHighLowRange
7 Days---%---%
30 Days---%---%
90 Days---%---%
180 Days117.6273.1537.81%116.1789.922.61%
365 Days117.6266.7743.23%116.1789.922.61%

Range = (high − low) ÷ high.

Daily prices

Recent prices & spread

DateBasrah LightChgAlaska North SlopeChgSpread
66.770
117.62+50.85
117.620
117.620
117.620
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.

  • Basrah Light Crude
  • Alaska North Slope Crude

Physical & chemical properties

API gravityhigher = lighter
BL30.5°
ANS31.9°
Sulfur contenthigher = sourer
BL2.9%
ANS0.93%
Densityhigher = heavier
BL0.872 g/cm³
ANS0.87 g/cm³
Viscosityhigher = thicker
BL9.8 cSt
ANS7.8 cSt
Pour pointhigher = waxier
BL18 °C
ANS15 °C

Typical refinery yields

Gasoline% of barrel
BL18-22%
ANS36-40%
Diesel% of barrel
BL40-44%
ANS32-36%
Jet fuel% of barrel
BL08-10'%
ANS10-12'%
Residual fuel% of barrel
BL22-28%
ANS16-20%

Bars show each yield range; the faint part runs from 0 to the low end. Scale 0–50%.

Full specification comparison

PropertyBasrah Light CrudeAlaska North Slope CrudeBasrah Light − Alaska North Slope
Classification
ClassificationMedium/SourMedium/Sour
OriginIraq (Basra, Persian Gulf)USA (Alaska)
Chemical properties
API gravity30.5° API31.9° API-1.4 °API
Sulfur content2.9%0.93%+1.97%
Density0.872 g/cm³0.87 g/cm³+0.002 g/cm³
Pour point18 °C15 °C+3 °C
Viscosity9.8 cSt7.8 cSt+2 cSt
Typical refinery yields
Gasoline18-22%36-40%-18 pts
Diesel40-44%32-36%+8 pts
Jet fuel08-10'%10-12'%-2 pts
Residual fuel22-28%16-20%+8 pts
Trading & logistics
Delivery basisBasra (Persian Gulf) terminalsValdez, Alaska (US West Coast)
Major exchangesSOMO OSP (vs Dubai/Oman)Platts (ANS West Coast); CME
Export hubAl-Amiq Terminal, Khor al-Amaya, Mina al-BakrValdez, Alaska
Main destinationsAsia, EuropeUS West Coast, Asia
Benchmark typeRegional (Middle East)Regional (US WC)
Market profile
Key characteristicsIraq's flagship crude, high residual contentUS West Coast benchmark, moderate sour grade
Refining notesHigh residual fuel content; used in complex refineriesModerate distillate yield; significant fuel oil portion
FAQ

Basrah Light vs Alaska North Slope questions

The spread, the quality gap and why each grade is a benchmark.

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July 06, 2026 Basrah Light Crude was $108.39 and Alaska North Slope Crude $89.90 per barrel, so Basrah Light traded at a premium of $+18.49 over Alaska North Slope. Over the previous 30 shared price days the spread averaged +6.94 $/bbl, with Alaska North Slope priced above Basrah Light on 14 day(s).

Basrah Light Crude is a medium/sour Iraq (Basra, Persian Gulf) crude (30.5° API, 2.9% sulfur) and Regional (Middle East) benchmark. Alaska North Slope Crude is a medium/sour USA (Alaska) crude (31.9° API, 0.93% sulfur) and Regional (US WC) benchmark.
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