The ICIS Weekly Margin – PTA Asia Variable Margin Analytics is published weekly

  • ICIS margins complement ICIS’ highly regarded pricing data and provide a clear indication of the direction of business cash costs and cash margins. This informs market positioning by sellers, buyers and traders.
  • The methodology document describes the business model, the margin calculation, and the model yield pattern and calculation.
  • It identifies the pricing inputs used to generate the full content of the model output, including spot prices for different products within the region.
  • It identifies the production processes covered in the region.

Active Documents

Purified Terephthalic Acid (PTA) Asia Variable Margin Analytics Methodology – 27 October 2020


This document provides methodology support for customers using ICIS Purified Terephthalic Acid (PTA) Asia Variable Margins. ICIS continuously develops, reviews and revises its methodologies in consultation with industry participants. For a copy of an archived methodology document, please email To find out more, please see Purified Terephthalic Acid (PTA) Asia Variable Margin Methodology – 27 […]