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Weakness in the West

Open interest remains in line with the 5-year average, as trade houses trimmed their longs against Onyx in the prompt NWE crack.
Published: September 21, 2026
Written by:
Mita Chaturvedi

Mita Chaturvedi

Research Associate, Flux
Mita Chaturvedi
and
Donna Dong

Donna Dong

Research Analyst, Flux
Donna Dong
17 page report
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The naphtha complex remained sideways this week, though it saw a marginal grind down. In Europe, the Oct'26 NWE naphtha crack fell from -$3.55/bbl on 14 Sep to a low of -$6.65/bbl on 16 Sep, before climbing to -$4.45/bbl on 21 Sep (time of writing)....

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Written by

Mita Chaturvedi

Research Associate, Flux
Mita Chaturvedi

Donna Dong

Research Analyst, Flux
Donna Dong

About Naphtha Report

Get a mix of market commentary, flow-based analysis, and prompt insights in this premium weekly report about naphtha markets.

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