The ICIS Margin – Polystyrene (PS) US Report is published monthly

  • The margin reports are designed to complement ICIS’ highly regarded pricing data and provides a clear indication of the direction of business cash costs and cash margins, forming a basis for informed market positioning by sellers, buyers and traders
  • The report contains the business model, the margin calculation, the difference between integrated and non-integrated and model yield pattern and calculation
  • The longer range views show ethane versus naphtha margin (integrated) and standalone contract versus buy spot styrene/sell contract margin

Active Documents

Polystyrene US Margin Report Methodology – 30 September 2015


This document is intended to provide methodology support for customers receiving the ICIS Margin – PS US report. ICIS continuously develops, reviews and revises its methodologies in consultation with industry participants. Previous versions of this methodology can be found under Archived Documents. To find out more, please see Polystyrene US Margin Report Methodology – 30 September […]