Polystyrene Market Update – Mar 24, 2026

I. Key Points

1. Mar 23: The U.S. stated that negotiations with Iran had made positive progress, easing market concerns and causing international oil prices to fall. However, Iran later denied this, narrowing the decline.
   • NYMEX crude oil futures (May contract): $88.13/barrel, down $10.10 (-10.28%)
   • ICE Brent crude (May contract): $99.94/barrel, down $12.25 (-10.92%)
   • China INE crude oil futures (May 2605 contract):
     • Day session: +28.7 to 805.1 RMB/barrel
     • Night session: -62.9 to 742.2 RMB/barrel

👉 Core logic: Significant increase in styrene prices → both cost support and cost pressure coexist.

II. Price Table

Notes:

1. Brent is in USD/barrel; styrene and PS are in RMB/ton.
2. PS price refers to Saibaolong 525 grade.
3. All RMB prices are tax-inclusive.
4. Changes are day-on-day.

III. Market Outlook

Crude oil has pulled back after rising, creating a negative sentiment.Feedstock styrene may open lower and consolidate.On supply-demand:

• Supply is expected to remain relatively stable in the short term
• Downstream purchasing is acceptable
• Inventory pressure is controllable

👉 Conclusion:
The PS market is expected to fluctuate and consolidate in the short term.

👉 Price outlook (East China GPPS):
10,700 – 11,200 RMB/ton

IV. Data Calendar

Notes:

• ↑↓ = significant change (>3%)
• ↗↘ = slight change (0–3%)