CommoPlast

Morning Briefing - 03 Mar. 2026

US–Iran tensions have abruptly repriced China’s polyolefins complex and the wider upstream sector, embedding a fresh risk premium.


CommoPlast

Morning Briefing

03 March 2026

 

Brent: $77.74 (+ $4.87)

WTI: $71.23 (+ $4.21)

 

Naphtha CFR Japan: (+ $79)

 

Ethylene CFR NEA: (+ $40)

Ethylene CFR SEA: (+ $30)

 

Propylene FOB Korea: (+ $10)

Propylene CFR China: (+ $10)

 

*Data represent closing prices of the previous trading day

 

www.commoplast.com

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Chinese polyolefins reprice sharply as geopolitical premium bites

US–Iran tensions have abruptly repriced China’s polyolefins complex, embedding a fresh risk premium across PP and PE as futures on the Dalian Commodity Exchange locked limit-up, validating aggressive spot hikes and shifting sentiment from routine restocking to defensive positioning.

Homo-PP advanced CNY 150-300/ton after futures surged CNY 396/ton. Sellers withheld fresh offers in anticipation of further upside, while converters moved decisively to secure near-term coverage at elevated levels. In PE, LDPE spearheaded the rally, followed by HDPE and LLDPE.

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Naphtha surges to multi-month high as Strait of Hormuz closure tightens feedstocks

Naphtha has vaulted to its highest level since July 2024 as the closure of the Strait of Hormuz injects a pronounced geopolitical premium into feedstocks. Since late December 2025, prices have climbed by nearly 34%. The rally accelerated after Iran warned it would target vessels transiting the waterway, a corridor that handled roughly 20% of global crude flows and 25% of LNG trade.

This is more than headline-driven volatility. Crude’s spike is mechanically lifting naphtha, but Asia’s structural exposure to Middle Eastern supply amplifies the risk. Japan and South Korea source around 90% and 80% of their crude from the region, respectively. Any sustained disruption would tighten refinery operations in both countries, constraining naphtha output.

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Country
China 

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