For the Quarter Ending June 2026
Polystyrene Prices in North America
- In the USA, the Polystyrene Price Index rose by 43.02% quarter-over-quarter, driven by feedstock costs.
- The average Polystyrene price for the quarter was approximately USD 1800.67/MT, reflecting Gulf Coast assessments.
- Polystyrene Spot Price eased with supply stabilization; the Polystyrene Price Index registered lower momentum overall.
- Polystyrene Production Cost Trend tightened as styrene and benzene volatility elevated costs, compressing producer margins.
- Polystyrene Demand Outlook remains mixed, with packaging and construction supporting demand despite single-use restrictions near-term.
- Polystyrene Price Forecast suggests modest downside risk near term if styrene eases and inventories rebuild.
- Inventory accumulation and steady imports pressured transactional offers, contributing to a softer Polystyrene Price Index.
- High operating rates and export prioritization tightened availability, supporting intermittent spot strength despite downward pressure.
Why did the price of Polystyrene change in June 2026 in North America?
- Falling styrene feedstock costs in June reduced production expense, prompting sellers to offer lower prices.
- Comfortable domestic inventories and resumed imports relieved tightness, reducing buyer urgency for spot procurement significantly.
- Softened export enquiries and regulatory single-use restrictions dampened external outlets, increasing domestic availability, pressuring prices.
Polystyrene Prices in APAC
- In Japan, the Polystyrene Price Index rose by 12.12% quarter-over-quarter, reflecting tightened supply and robust demand.
- The average Polystyrene price for the quarter was approximately USD 2346.67/MT delivered in Japan market on reported trading.
- Polystyrene Spot Price strengthened on tight prompt availability, supported by near-full domestic plant operating rates levels.
- Polystyrene Price Forecast indicates continued upside risk near-term if any supply disruptions or export delays occur.
- Polystyrene Production Cost Trend remains stable absent major feedstock increases, cushioning immediate downward price pressure currently.
- Polystyrene Demand Outlook is constructive driven by packaging, appliances, and construction sectors sustaining steady resin consumption.
- Polystyrene Price Index showed upwards momentum amid limited imports and prioritized domestic prompt allocations to converters.
- Domestic inventories tightened as producers maintained high loadings, while exports remained selective supporting local benchmark strength.
- Freight delays and port congestion represent downside risks to Polystyrene Spot Price and prompt supply reliability.
Why did the price of Polystyrene change in June 2026 in APAC?
- Tight domestic operating rates reduced available prompt supply, lifting short-term Polystyrene prices in June 2026
- Stable feedstock costs kept production economics steady, limiting upside from production cost-driven price increases short-term
- Freight delays and selective imports constrained prompt availability, reinforcing upward pressure on Polystyrene Price Index
Indonesia
- In Indonesia, the Polystyrene Price Index rose by 24.7% quarter-over-quarter, reflecting robust downstream packaging and export demand.
- Polystyrene Spot Price softened as the Price Index faced pressure from ample imports and weaker downstream demand.
Malaysia
- In Malaysia, the Polystyrene Price Index rose by 22.34% quarter-over-quarter, reflecting feedstock tightness and logistics
- Polystyrene Spot Price eased June as softer styrene costs and soft export demand pressured
Polystyrene Prices in Europe
- In Germany, the Polystyrene Price Index rose by 52.65% quarter-over-quarter, supported by upstream feedstock tightening.
- The average Polystyrene price for the quarter was approximately USD 2437.33/MT reflecting mixed weekly volatility.
- Polystyrene Spot Price volatility eased mid-quarter after earlier styrene-driven cost spikes compressed producer margins thereby.
- Polystyrene Price Forecast scenarios show modest near-term softening followed by summer restocking support for converters.
- Polystyrene Production Cost Trend improved as styrene and benzene eased, reducing cash-cost pressure on European producers.
- Polystyrene Demand Outlook remains subdued with packaging and appliance sectors cautious, limiting forward procurement and inventories.
- Polystyrene Price Index movements reflected tight early-quarter supply, export flow adjustments and stable Rhine-Valley operating rates.
- Inventory builds and export interest tempered spot gains while major producers maintained planned operating schedules.
Why did the price of Polystyrene change in June 2026 in Europe?
- June styrene and benzene declines cut production costs, prompting suppliers to relax offers, reducing prices.
- Weak downstream demand and converter destocking constrained buying, limiting upward pressure on local Polystyrene transactions.
- Adequate regional imports and steady Rhine-Valley operating rates maintained inventories, preventing stronger spot price recovery.
Netherlands
- In the Netherlands, the Polystyrene Price Index rose by 53.0% quarter-over-quarter, driven by supply tightening.
- Polystyrene Spot Price strengthened amid constrained imports and producer pricing across Rotterdam hubs supporting margins.
UK (United Kingdom)
- In the UK (United Kingdom), the Polystyrene Price Index rose by 51.6% quarter-over-quarter, driven by styrene cost spikes.
- Polystyrene Production Cost Trend showed strong upward pressure as benzene and styrene feedstock elevated breakeven levels.
Polystyrene Prices in MEA
- In Saudi Arabia, the Polystyrene Price Index rose by 36.92% quarter-over-quarter, reflecting sharp feedstock and export arbitrage.
- The average Polystyrene price for the quarter was approximately USD 1733/MT, reflecting export-weighted FOB sales and domestic stability.
- Polystyrene Spot Price strengthened mid-quarter as export arbitrage and tightened prompt availability supported seller offers across regional markets.
- Polystyrene Production Cost Trend reflected upstream styrene volatility, temporarily squeezing margins despite stable operating rates at producers.
- Polystyrene Demand Outlook remained steady driven by packaging and consumer goods, supporting measured restocking rather than aggressive purchasing.
- Polystyrene Price Forecast indicates range-bound near-term activity absent major shipping disruptions or unexpected production outages.
- Polystyrene Price Index momentum was amplified by export flows and feedstock-cost shifts, increasing volatility in spot discussions.
- Inventories remained aligned to weekly offtake as major producers maintained near-nameplate run rates, preserving market balance.
Why did the price of Polystyrene change in June 2026 in MEA?
- Balanced domestic production and steady export demand left mid-June pricing neutral despite earlier strong upward momentum.
- A recent decline in styrene feedstock costs eased conversion expenses, applying downward pressure on spot offers.
- Export arbitrage opportunities and smooth loadings limited urgent restocking, moderating upward pressure on regional spot prices.
Polystyrene Prices in South America
- In Brazil, the Polystyrene Price Index rose by 31.75% quarter-over-quarter, reflecting freight and feedstock pressure
- The average Polystyrene price for the quarter was approximately USD 2146.67/MT as assessed CFR Santos
- Polystyrene Spot Price surged in April as styrene surcharges and container freight tightened spot availability
- Polystyrene Price Forecast indicates correction into early Q3 as monomer costs ease and inventories stabilise
- Polystyrene Production Cost Trend eased in June after styrene CFR Santos weakened, lowering import expenses
- Polystyrene Demand Outlook remains muted as converters buy hand-to-mouth, relying on stocks and cautious procurement
- Polystyrene Price Index softened in June as competitive offers and steady imports pressured spot negotiations
- Domestic supply adequacy and regular US and Asian cargoes limited upside while exporters defended volumes
Why did the price of Polystyrene change in June 2026 in South America?
- Falling styrene CFR Santos prices reduced production costs, removing upward cost support for imported polystyrene
- Subdued converter procurement and comfortable inventories limited buying, allowing suppliers to offer and reduce premiums
- Higher freight and weaker real raised landed costs, but exporters absorbed increases, capping price rises
For the Quarter Ending March 2026
Polystyrene Prices in North America
- In USA, the Polystyrene Price Index rose by 0.19% quarter-over-quarter, reflecting minimal net change in costs.
- The average Polystyrene price for the quarter was approximately USD 1259.00/MT, based on reported assessments.
- Polystyrene Spot Price gains late March reflected feedstock-driven margin compression and reduced resin availability for exporters.
- Polystyrene Price Forecast models show short-term firmness given sustained upstream benzene and energy price pressures.
- Polystyrene Production Cost Trend tightened as Gulf Coast benzene and naphtha spikes elevated conversion expense throughout March.
- Polystyrene Demand Outlook remains mixed with seasonal construction lift offset by packaging destocking and regulatory substitution risk.
- Polystyrene Price Index volatility increased amid geopolitics and logistics, prompting selective producer-run rate adjustments and inventory management.
- Export demand from Latin America remained moderate while Houston inventories tightened slightly, supporting spot pricing strength.
Why did the price of Polystyrene change in March 2026 in North America?
- Rising benzene and naphtha pushed production costs higher, compressing margins and prompting temporary run-rate reductions.
- Geopolitical disruptions increased freight and insurance costs, diverting Asian demand to US cargoes and tightening availability.
- Steady domestic consumption and moderate export interest left inventories insufficient to offset feedstock-driven upward price pressure.
Polystyrene Prices in APAC
- In Japan, the Polystyrene Price Index rose by 1.85% quarter-over-quarter, reflecting restrained feedstock-driven resilience support.
- The average Polystyrene price for the quarter was approximately USD 1948.00/MT, officially per regional assessments.
- Polystyrene Spot Price remained contained as disciplined domestic runs and steady imports balanced immediate needs.
- Polystyrene Price Forecast signals modest near-term firmness supported by seasonal restocking and feedstock stability factors.
- Polystyrene Production Cost Trend showed upward pressure from styrene and naphtha, compressing mill contribution margins.
- Polystyrene Demand Outlook is mixed; construction insulation and packaging restocking offset automotive and export weaknesses.
- Polystyrene Price Index movements reflected balanced inventories, steady imports, and disciplined operating rates limiting volatility.
- Import arrivals and Tokyo Bay logistics remained smooth, preventing acute dislocations and capping domestic upside.
Why did the price of Polystyrene change in March 2026 in APAC?
- Rising styrene feedstock costs and tighter naphtha supply increased production costs, supporting Polystyrene price gains.
- Domestic producers ran below rates with limited maintenance outages, trimming spot availability and supporting offers.
- Steady packaging and construction restocking absorbed supply while import parity offers restrained sellers from hikes.
Polystyrene Prices in Europe
- In Germany, the Polystyrene Price Index rose by 7.74% quarter-over-quarter, reflecting tightening feedstock and energy-driven cost pressures.
- The average Polystyrene price for the quarter was approximately USD 1596.67/MT, reflecting muted post-holiday purchasing and balanced inventories.
- Polystyrene Spot Price firmed in March as constrained styrene inflows and rising freight and insurance premiums tightened availability.
- Polystyrene Price Forecast shows near-term firmness, with upside risk if Middle East tensions prolong feedstock and energy disruptions.
- Polystyrene Production Cost Trend moved higher as styrene and natural gas cost increases compressed producer margins and availability.
- Polystyrene Demand Outlook remained steady, led by packaging and appliance restocking, supporting prompt market absorption of volumes.
- Polystyrene Price Index volatility increased as producers protected margins amid limited spot availability and tighter export netbacks.
- Polystyrene Spot Price momentum depended on winter-to-spring restocking and producer discipline, constraining immediate surplus for spot sales.
Why did the price of Polystyrene change in March 2026 in Europe?
- Rising styrene and energy costs increased production expenses, prompting producers to pass higher resin offers.
- Middle East disruptions elevated freight and insurance costs, delaying feedstock imports and tightening European cracker feedstock availability.
- Resilient packaging and construction restocking absorbed prompt supply, reducing distributor inventories and supporting upward price momentum.
Polystyrene Prices in MEA
- In Saudi Arabia, the Polystyrene Price Index rose by 1.66% quarter-over-quarter, reflecting overall supply stability.
- The average Polystyrene price for the quarter was approximately USD 1348.67/MT, showing balanced export demand.
- Polystyrene Spot Price remained range-bound early quarter as inventories stayed comfortable and arbitrage remained limited.
- Polystyrene Production Cost Trend increased with styrene feedstock firmness, compressing margins without forcing output cuts.
- Polystyrene Demand Outlook strengthened on export restocking from Asia and Turkey despite muted domestic construction.
- Polystyrene Price Forecast indicates short term stability, though upside risk remains if feedstock logistics deteriorate.
- Polystyrene Price Index rose in March as feedstock strain and export bids tightened spot supply.
- Domestic plants ran near nameplate throughout quarter, keeping onshore inventories adequate and limiting price spikes.
Why did the price of Polystyrene change in March 2026 in MEA?
- Strait of Hormuz disruptions tightened naphtha feedstock flows, elevating styrene costs and pressuring production economics.
- Export restocking from China and Turkey increased demand, tightening available spot volumes and firming netbacks.
- Logistics disruptions and higher freight and insurance premiums reduced supply availability and elevated delivered costs.
Polystyrene Prices in South America
- In Brazil, the Polystyrene Price Index rose by 7.38% quarter-over-quarter, driven by tighter styrene supply.
- The average Polystyrene price for the quarter was approximately USD 1629.33/MT based on assessed spot offers.
- Polystyrene Spot Price strengthened on supply disruptions and higher feedstock costs, constraining prompt availability across ports.
- Polystyrene Price Forecast indicates near-term firmness as import lead-times lengthen and converters compete for limited tonnage.
- Polystyrene Production Cost Trend reflects rising styrene and freight, squeezing margins for domestic polymerizers and exporters.
- Polystyrene Demand Outlook remains constructive with packaging and appliance sectors supporting steady offtake despite macro weakness.
- Polystyrene Price Index momentum was amplified by inventory drawdowns and import constraints, prompting prompt cargo premium bids.
- Producers maintained cautious run-rates; exporters balanced offers, limiting spot volumes and sustaining elevated landed price levels.
Why did the price of Polystyrene change in March 2026 in South America?
- Import disruptions around Strait of Hormuz increased freight rates and delayed cargoes, tightening Brazil's resin supply.
- Rising styrene CFR levels raised production costs, prompting exporters to lift offers and reduce arbitrage volumes.
- Stronger downstream buying from packaging and construction depleted distributor inventories, amplifying spot-market upward price pressure.
For the Quarter Ending December 2025
North America
- In the USA, the Polystyrene Price Index fell by 14.59% quarter-over-quarter, driven by inventory overhang.
- The average Polystyrene price for the quarter was approximately USD 1256.67/MT, reflecting spot contract dynamics.
- Polystyrene Spot Price weakened amid steady imports, pressuring Gulf Coast offers and compressing producer margins.
- Polystyrene Price Forecast projects slight sequential gains if inventories normalize and benzene-driven costs stabilize modestly.
- Polystyrene Production Cost Trend showed lower feedstock costs earlier, though benzene upticks partially reversed compression.
- Polystyrene Demand Outlook stays muted, with packaging resilience offset by construction declines and converter restocking.
- Polystyrene Price Index movements matched import competitiveness and softer container freight, thereby influencing domestic offers.
- Elevated inventories and operating rates constrained rallies, while Asian export inflows amplified pressure on pricing.
Why did the price of Polystyrene change in December 2025 in North America?
- Higher benzene costs increased production margins, encouraging firmer offers despite broader polystyrene market weakness overall.
- Improved Asian export availability and reduced container freight lowered import costs, worsening domestic oversupply pressure.
- Seasonal downstream destocking and subdued construction activity reduced purchasing, leaving inventories elevated into December period.
APAC
- In Japan, the Polystyrene Price Index fell by 2.65% quarter-over-quarter, reflecting softer demand and supply.
- The average Polystyrene price for the quarter was approximately USD 1912.67/MT, based on reported assessments.
- Polystyrene Spot Price remained range-bound as comfortable inventories and steady intra-Asia exports limited upward pressure.
- Polystyrene Price Forecast indicates mild seasonal gains into early Q1 as post-holiday restocking supports firmer buying.
- Polystyrene Production Cost Trend stayed muted with stable styrene feedstock and contained logistics expense volatility.
- Polystyrene Demand Outlook appears balanced as electronics and packaging demand offset seasonal softness in construction applications.
- Polystyrene Price Index shows mild downward bias amid normal operating rates and exporters offering competitive cargoes.
- Producers maintained utilisation, keeping offers steady while spot liquidity remained subdued ahead of year-end restocking.
Why did the price of Polystyrene change in December 2025 in APAC?
- Balanced feedstock costs and steady imports limited cost-push despite muted spot buying and orderly logistics.
- Comfortable inventories and uninterrupted regional flows significantly reduced urgency to replenish, constraining upward price momentum.
- Seasonal softness in packaging and construction demand tempered buying while electronics orders remained adequate overall.
Europe
- In Germany, the Polystyrene Price Index fell by 5.9% quarter-over-quarter, reflecting oversupply and weak demand.
- The average Polystyrene price for the quarter was approximately USD 1482.00/MT, reflecting balanced year-end buying and support.
- Polystyrene Spot Price remained range-bound amid steady production, imports, and cautious converter buying ahead of holidays.
- Polystyrene Price Forecast anticipates modest recovery in early Q1 due to seasonal restocking and cracker turnarounds.
- Polystyrene Production Cost Trend shows stable styrene feedstock and easing energy costs, supporting producer margin recovery.
- Polystyrene Demand Outlook remains mixed with packaging resilience offset by weaker electronics and construction seasonal slowdown.
- Polystyrene Price Index pressure stems from swollen inventories despite export flows to neighbouring markets providing modest support.
- Producers maintained normal operating rates while increasing recycled-content blends, moderating spot volatility and preserving supply flexibility.
Why did the price of Polystyrene change in December 2025 in Europe?
- Persistent oversupply from steady cracker output and ample styrene feedstock depressed prices despite normal logistics.
- Soft electronics and construction demand reduced converter purchases, sustaining downward pressure on quarterly Price Index.
- Rising inventories combined with recycled-content substitution and cautious buying limited spot upticks at quarter end.
MEA
- In Saudi Arabia, the Polystyrene Price Index fell by 9.4% quarter-over-quarter, reflecting balanced supply and muted demand.
- The average Polystyrene price for the quarter was approximately USD 1246.67/MT, reflecting stable FOB Riyadh conditions.
- Polystyrene Spot Price showed range-bound weekly action and the Price Index signalled no immediate directional breakout.
- Polystyrene Price Forecast indicates modest upward bias into early 2026 amid seasonal restocking and steady export demand.
- Polystyrene Production Cost Trend remained contained as stable regional styrene feedstock and advantaged ethane curtailed cost pressures.
- Polystyrene Demand Outlook stayed moderate with packaging and electronics supporting volumes but converters maintaining just-in-time procurement.
- Polystyrene Price Index weakness reflected comfortable inventories and limited arbitrage as producers covered domestic needs and exported surplus.
- Major Saudi producers operated at routine rates, limiting upside while freight and logistics stability constrained export arbitrage opportunities.
Why did the price of Polystyrene change in December 2025 in MEA?
- Balanced domestic supply and steady plant run rates removed upside pressure, keeping prices neutral in December.
- Contained styrene and advantaged ethane feedstock costs limited production cost pass-through to Polystyrene prices materially.
- Comfortable inventories and muted end-user buying reduced arbitrage and inhibited any meaningful December price recovery.
South America
- In Brazil, the Polystyrene Price Index fell by 5.3% quarter-over-quarter, reflecting subdued import demand levels.
- The average Polystyrene price for the quarter was approximately USD 1618.00/MT based on reported totals.
- Polystyrene Spot Price remained pressured by ample imports and moderate converter procurement during the quarter.
- Polystyrene Price Forecast indicates limited upside absent stronger seasonal restocking or upstream cost increases soon.
- Polystyrene Production Cost Trend eased as styrene and naphtha softening reduced margin pressures during quarter.
- Polystyrene Demand Outlook remains moderate with packaging uptick offset by cautious electronics and appliance procurement.
- Polystyrene Price Index volatility constrained by steady logistics, port operations, and balanced inventories limiting recovery.
- Export demand provided modest clearance but persistent import competition maintained pressure on local prices throughout.
Why did the price of Polystyrene change in December 2025 in South America?
- Balanced imports and measured buyer restocking kept supply adequate, preventing meaningful upward price pressure momentum.
- Declining styrene and naphtha costs eased production costs, limiting cost-driven price increases in December period.
- Operationally, port flows and logistics remained smooth, enabling imports and restraining any tightness-driven rallies nationwide.
For the Quarter Ending September 2025
North America
- In the USA, the Polystyrene Price Index fell by 5.43% quarter-over-quarter, reflecting weak demand and high inventories.
- The average Polystyrene price for the quarter was approximately USD 1533.00/MT with subdued offtake overall.
- Polystyrene Spot Price declined late quarter as offers softened amid abundant stocks and weak restocking.
- Polystyrene Production Cost Trend eased as styrene and benzene prices softened, reducing cost-push on producers.
- Polystyrene Price Index volatility moderated in September as weekly quotes consolidated and sellers competed aggressively.
- Inventory builds, substitution toward recycled grades constrained demand, prompting downward pressure on domestic offers broadly.
Why did the price of Polystyrene change in September 2025 in North America?
- Ample inventories and steady production removed upward price support, reducing urgency for buying and restocking.
- Eased benzene and styrene costs lowered Polystyrene production cost pressure, constraining producers from raising offers.
- Moderate downstream activity and substitution toward recycled grades reduced incremental offtake, weakening Polystyrene spot recovery.
APAC
- In Japan, the Polystyrene Price Index fell by 2.32% quarter-over-quarter, reflecting subdued demand and import competition.
- The average Polystyrene price for the quarter was approximately USD 1964.67/MT, indicating stable range-bound market conditions.
- Polystyrene Spot Price remained muted while the Polystyrene Price Index showed downward momentum amid balanced supply.
- Feedstock pressures eased as naphtha and styrene costs fell, improving Polystyrene Production Cost Trend margins.
- Sufficient inventories and restocking alongside export flows constrained offers, keeping the Polystyrene Price Index subdued.
- Domestic producers maintained steady operating rates without major shutdowns, supporting availability despite mildly weakening Price Index.
Why did the price of Polystyrene change in September 2025 in APAC?
- Subdued downstream procurement, cautious restocking reduced domestic absorption, pressuring spot offers and the Price Index.
- Competitive import flows from Southeast Asia maintained supply, while logistics stability prevented short-term cost spikes.
- Lower naphtha and styrene costs eased production cost pressures, offsetting weak demand and limiting rallies.
Europe
- In Germany, the Polystyrene Price Index fell by 5.31% quarter-over-quarter, reflecting inventory overhang and weaker demand.
- The average Polystyrene price for the quarter was approximately USD 1575.33/MT, reflecting range-bound market conditions.
- Polystyrene Spot Price weakened in September amid ample imports and converter purchasing, maintaining downward pricing pressure.
- Polystyrene Production Cost Trend benign as styrene and energy costs stayed moderate, limiting cost-push support.
- High inventories and domestic output pressured the Polystyrene Price Index, constraining upward movement despite export flows.
- Operational stability at producers kept supply reliable while recyclate substitution limited virgin Polystyrene demand and upside.
Why did the price of Polystyrene change in September 2025 in Europe?
- Oversupply from steady domestic output and imports created inventory overhang, pressuring September pricing downward further.
- Stable feedstock styrene and energy costs limited cost push, failing to support higher September quotes.
- Weak converter demand and recycled grades reduced spot uptake, while logistical normalization maintained import levels
MEA
- In Saudi Arabia, the Polystyrene Price Index fell by 5.39% quarter-over-quarter, reflecting subdued downstream demand.
- The average Polystyrene price for the quarter was approximately USD 1376.00/MT, reflecting limited spot volatility during the quarter.
- Polystyrene Spot Price remained range-bound as steady production and imports balanced domestic consumption pressures mildly.
- Polystyrene Production Cost Trend stayed stable as soft styrene and naphtha eased input cost pressures.
- Polystyrene Price Index weakness was amplified by elevated port inventories and trader behavior limiting liquidity.
- Operational stability at major producers maintained supply discipline, capping volatility despite competition and oversupply risks.
Why did the price of Polystyrene change in September 2025 in MEA?
- Weak downstream restocking reduced immediate buying, thereby pressuring spot prices and maintaining neutral market balance.
- Soft feedstock styrene and lower naphtha eased production costs, limiting upward price pressure despite steady demand.
- Elevated inventories and logistics increased availability, enabling sellers to hold offers and restrain price recovery.
South America
- In Brazil, the Polystyrene Price Index rose marginally by 0.04% quarter-over-quarter, reflecting balanced supply and muted demand.
- The average Polystyrene price for the quarter was approximately USD 1598.67/MT, reflecting CFR Santos grade dynamics.
- Polystyrene Spot Price movements were restrained by stable imports and sufficient inventories, limiting short-term volatility.
- Polystyrene Production Cost Trend remained mild as lower styrene feedstock costs eased upstream pressure on producers.
- Polystyrene Price Index stability reflected neutral consumption, currency effects, and intermittent port congestion affecting prompt supply.
- Operational continuity at regional producers and consistent import flows supported supply, preventing sharper Polystyrene Price Index movements.
Why did the price of Polystyrene change in September 2025 in South America?
- Balanced import volumes and steady domestic production maintained supply, capping upward price momentum in September.
- Lower styrene feedstock costs reduced production pressure, contributing to limited downstream procurement and subdued pricing.
- Port congestion and currency depreciation intermittently tightened imports, creating localized support but overall neutral price impact.
