Sparta in action: How Sparta caught the GO E/W break before it hit

When the gasoil East/West spread began to crack, Sparta saw it first.

Three weeks before the structure broke, our signals were already pointing to a widening move, long before the market caught on.

This is a breakdown of what we saw, when we saw it, and how the tools inside Sparta helped desks move early on one of the sharpest GO E/W shifts of the year.

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Setting the stage: GO E/W at –$26.50 (22 Oct)

At the time, the GO E/W spread looked stable on the surface.
But under the hood, Sparta’s live market intelligence was telling a different story:

1. Jet & Diesel arbs wide open

Pricing Centre showed persistent arbitrage opportunities into Asia. An early sign that supply would soon flood the region.

2. LR2s pointing East from AG & WCI

By Origin freight flows highlighted increasing eastbound clean product movement, reinforcing the supply-pressure setup.

3. SE Asian margins staying firm

Curves displayed resilient refinery margins across Singapore and SE Asia, signalling sustained production and forward supply strength.

The picture was clear: barrels were building in Asia, Europe wasn’t pulling, and the spread was mispriced.

On 22 October, Sparta Knowledge flagged it:

“Elevated margins plus incoming barrels set the stage for a more bearish medium-term view on GO E/W.”

The call was: GO E/W widens.

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What happened next

The inflow hit

More supply arrived into Asia as expected. Margins stayed elevated. Arbitrage into Europe didn’t materialise.

The spread snapped

From –$26.50/mt on 22 October to –$36.25/mt on 12 November.

A $9.75/mt move, and the widest seasonal print in nine years.

Exactly the structural break Sparta flagged.

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How Sparta caught it early

Across three different lenses, the same directional signal appeared:

Pricing Centre

• Arbs into Asia wide open

• European pull muted

• Product imbalances forming early

By Origin

• LR2 clean product flows pushing East

• Barrels building ahead of the break

Curves

• SE Asia margins providing supply-side support

• Forward structure diverging from physical reality

This multi-signal alignment gave Sparta users a clear read before the market re-priced.

Not hindsight. Signal.

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The result: a $9.25/mt move in three weeks

• Call made: 22 Oct at –$26.50

• Market print: –$36.25 by 12 Nov

• Move: +37%

Sparta users didn’t follow the move. They anticipated it. 

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