08/28/2026
There is market movement but not in one direction. The bumpy ride in 2026 is not over yet
North American resin markets moved in opposite directions in August as shifting feedstock costs and uneven demand shaped pricing.
Polypropylene prices declined as propylene supplies improved and demand remained weak. Polystyrene prices moved higher as benzene costs rebounded.
Here’s what changed in the PP and PS markets and the factors resin buyers and processors should be watching. https://www.plasticsnews.com/resin-prices/pn-polypropylene-polystyrene-august-2026/