The ICIS Polystyrene (PS) Report is covered weekly in Asia, CIS, Europe, Middle East-South Asia and the US and monthly in Latin America

  • Asian spot prices for general purpose (GP) grade are quoted for Hong Kong, Taiwan, South Korea, China, SE Asia, del East China and del South China, while high impact PS (HIPS) is quoted in Hong Kong, China, SE Asia, del East China and del South China
  • Domestic European prices for GP and HIPS are quoted for FD EU Distribution indicator, FD NWE and FD UK, while spot prices are quoted for GP and HIPS on an exworks Russia basis
  • In the US, monthly contract prices are quoted for GP and HIPS, for both bulk and package volumes
  • Latin American prices follow Argentina, Brazil, Chile, Colombia, Mexico and Peru, while the Middle East-South Asia report covers Iran, GCC, East Med, Pakistan and India Main Port
  • Use the global reports to follow fluctuations and understand factors driving them, input into your own internal analytical models, clarify settlements and contracts and inform negotiations

Active Documents

Polystyrene Methodology Consultation 2023


ICIS is implementing a process of rolling consultation on all of its pricing methodologies. This consultation paper is part of this formal process and covers all of the ICIS primary price points included in the polystyrene weekly publications. The consultation asks both general questions about the suitability of the ICIS pricing methodology and questions addressing […]

Polystyrene Methodology – 30 June 2023


This is the ICIS pricing methodology for polystyrene. ICIS quotes polystyrene prices in Europe, Asia-Pacific, North America, Middle East/South Asia and Latin America. ICIS continuously develops, reviews and revises its methodologies in consultation with industry participants. Previous versions of this methodology can be found under Archived Documents. For a copy of an archived methodology document, please […]