Port inventory fell from 975,000 tons to 86,000 tons — MEG completed an extreme destocking cycle in less than three quarters. That single figure explains market tension better than any crude oil price rally.
Supply Side: Low Inventory Is the Effect, Geopolitics the Cause
Escalating tensions in the Middle East have raised risks along the Strait of Hormuz, a critical channel for MEG exports. Shipping delays have directly curtailed arriving cargoes, pushing domestic port inventory to historic lows. Industry data suggests Q4 imports will likely remain low, providing near-term support for spot prices.
But low inventory is not the result of robust demand — it is a passive byproduct of logistical disruption. That distinction matters enormously. The former signals healthy destocking; the latter means that once shipping normalizes, backlogged cargoes could arrive in bulk and price support could evaporate quickly.
Domestic production is filling the import gap. The overall MEG operating rate stands at 65.92%, with coal-based units running at around 71% on improved margins. Two large plants — Zhongsha Gulei and Huajin Aramco — are scheduled to come online in Q4, adding significant self-supply elasticity. The import contraction benefit could be rapidly offset by domestic volumes.
Demand Side: Polyester's Tolerance Is the Real Ceiling
MEG's price ceiling depends not on how high crude oil climbs, but on how much raw material cost polyester plants can absorb.
Q4 marks the transition out of peak season. The traditional "Golden September, Silver October" momentum is fading, and downstream textile orders lack follow-through. Facing elevated MEG prices, polyester producers are under intensifying cost pressure, shifting procurement to just-in-time buying with minimal proactive stockpiling. Weak order books in weaving and slow finished-goods destocking are creating layer upon layer of resistance to upstream price pass-through.
More critically, tight PX supply is forcing some polyester plants to cut operating rates involuntarily. Once polyester output declines, MEG consumption falls directly. Even if supply-side contraction occurs, without a genuine recovery in terminal textile consumption, polyester producers cannot sustain high raw material costs, and further run cuts remain a real possibility.
This means MEG's upside is firmly capped by downstream margin compression. Without stable, high polyester operating rates, any supply-side bullish factor is merely a short-term pulse.
Key Variables: Two Anchors to Watch
The sustainability of any rally hinges on two core variables.
First, Middle East shipping conditions and the pace of new domestic plant startups. If geopolitical tensions ease and shipping resumes while new capacity comes online, supply will quickly turn ample. Conversely, if disruptions persist, the low-inventory regime could extend through year-end.
Second, whether textile terminal orders improve. Polyester operating rate stability is the only validation metric for MEG demand. If downstream orders fail to materialize, negative feedback across the supply chain will intensify and price upside will be significantly compressed.
In sum, crude oil strength, geopolitical disruption, and low port inventory provide short-term support, giving MEG a basis for range-bound, slightly firm trading. But supply-side bullish factors alone are unlikely to drive a sustained one-way rally. The market needs tangible signals from terminal consumption, not merely cost-push expectations.