# Polystyrene and EPS and Styrene

Their prices have moved together.

Source page: https://www.materialinsights.org/links/polystyrene-and-eps-and-styrene/

[Polystyrene and EPS](https://www.materialinsights.org/chemicals/polystyrene/) (chemical) and [Styrene](https://www.materialinsights.org/chemicals/styrene/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: main product

*Cost and price · Strong · Both ways*

Polystyrene and EPS take the largest share of styrene, so packaging and insulation demand feeds back into monomer prices. The broad resin index moves with the cyclic proxy at 0.38 monthly and 0.73 yearly.

- **0.38** monthly change correlation
- **0.73** 12-month change correlation
- **1.14** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.