This is the ICIS pricing methodology for vinyl chloride monomer (VCM). ICIS quotes VCM prices on a global basis.

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 email

To find out more, please see Vinyl Chloride Monomer Methodology – 22 November 2023