Polystyrene price December 2025 and outlook (see chart below)
- Europe:US$1.52/KG, -0.7% down
- Northeast Asia:US$1.15/KG, 4.5% up
- Southeast Asia:US$1.28/KG, 4.1% up
- South America:US$1.26/KG, unchanged
- India:US$1.25/KG, -1.6% down
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Latest market developments for Polystyrene (PS) for December 2025
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Polystyrene (PS) price index
This post is a summary of the polystyrene (PS) price developments. The price developments of polystyrene are expressed in US$ prices converted FX rates applicable at the time when the price was valid. Polystyrene (PS) price index developments are calculated from multiple separate sources of data to ensure statistical accuracy.
The outlook for polystyrene prices, on the second tab, is generated from different inputs including:
- Very recent price developments of immediate cost drivers of polystyrene (PS) prices
- Recent price developments of underlying feedstocks which drive the price of polystyrene
- Market futures for both cost drives and feedstocks of polystyrene (PS) prices
- Adjustment of current supply/demand imbalances in the polystyrene market
- Longer term trends in likely demand conditions
Further information on the Polystyrene (PS) price index
- Wikipedia for general, history, production and usage information
- PubChem for chemistry and property information
According to https://oec.world/ :
Polystyrene are the world’s 124th most traded product.
In 2018, the top exporters of Polystyrene were South Korea ($4.16B), World ($3.73B), Belgium ($2.17B), Hong Kong ($1.68B), and United States ($1.65B).
In 2018, the top importers of Polystyrene were China ($6.51B), Germany ($1.71B), United States ($1.52B), Hong Kong ($1.29B), and Mexico ($1.01B).