Price Trends

PTA trend analysis as of September 23, 2026, indicates that prices are currently trading in a volatile range. The 5-day, 10-day, and 20-day moving averages are diverging, with signals leaning bearish, suggesting a weak rebound. PTA prices have remained at elevated levels across multiple timeframes, leaving limited room for further upside.

• PTA trend analysis
• range-bound market
• weak rebound
• limited upside potential at higher levels

September 23, 2026 polyester staple fiber trend analysis shows a clear downward signal. The 5-day, 10-day, and 20-day moving average differences are all negative and have decreased compared to the previous day, meeting the criteria for a clear downward trend. The current price is at a high level, with limited upside potential and some room for downward movement.

• Polyester staple fiber
• price decline
• average difference analysis
• market trend forecast

As of September 23, 2026, the acrylonitrile trend analysis indicates a short-term range-bound but slightly bullish outlook. The 5-day, 10-day, and 20-day moving averages are diverging, with the 20-day average turning positive from negative. On the 60-day cycle, prices remain at mid-to-low levels, suggesting limited downside in the near term; meanwhile, on the 3-month and 1-year cycles, prices are positioned at mid-to-high levels, implying limited upside over the medium to long term.

• Acrylonitrile
• trend analysis
• volatility
• market forecast

On September 23, 2026, the PC price trend is clearly downward, with negative spreads across D5, D10, and D20. Fundamentally, the Zhangzhou Chimei and Sichuan Tianhua plants are operating steadily, while high upstream prices for bisphenol A and dimethyl carbonate continue to support costs. Short-term upside potential is limited, medium-term upward momentum is insufficient, and long-term price volatility remains moderate.

• PC price decline
• mean difference analysis
• stable supply side
• cost support

On September 22, 2026, the 5-day and 20-day moving averages of dichloromethane both turned downward, while the 10-day moving average reversed upward, triggering a bearish pullback signal. The current price trend is choppy, with prices currently at a high level and limited upside potential; in the medium to long term, there remains room for volatility.

• dichloromethane
• trend analysis
• bearish rebound
• fluctuating trend

On September 23, 2026, caustic soda prices are at their annual low, with the market currently in a short-term, bullish‑biased pullback phase. The current signal is (+, −, +), indicating upside potential, supported by cost‑driven support and the recovery in demand. We recommend monitoring real-time data.

• Caustic soda trend: bullish with volatile swings
• cost support
• demand recovery.

On September 23, 2026, the price of lithium carbonate showed a fluctuating trend. The 5-day, 10-day, and 20-day average differences were inconsistent in direction, signaling a strong consolidation (favoring an increase). The prices for the 60-day and 3-month periods were at a low level, with limited room for decline; the 1-year period price was at a moderate level, with balanced potential for both increase and decrease.

• Lithium carbonate
• price fluctuation
• strong consolidation
• low-level support

On September 23, 2026, the short-term trend for styrene is clearly upward, with positive growth in the 5-day, 10-day, and 20-day moving averages. Chinese aniline producers have raised their factory prices, providing fundamental support for higher prices. However, prices on the 60-day, 3-month, and 1-year timeframes remain at elevated levels, leaving limited room for further increases.

• Styrene
• trend analysis
• price increase
• moving average method

On September 21, 2026, the 5-day, 10-day, and 20-day moving averages for hydrofluoric acid all remained flat, signaling a period of price volatility (sideways consolidation). Leading companies primarily use their own production, with limited supply available for external sales; this tight supply‑demand balance is supporting a sideways price trend. Over the 60-day, three-month, and one-year timeframes, prices are at elevated levels, leaving limited room for further increases.

• hydrofluoric acid
• fluctuating trend
• high range
• tight supply-demand balance

As of September 22, 2026, the short-term price trend of DOP in China is clearly declining. The 5-day, 10-day, and 20-day moving averages are all negative, and the quotations from major manufacturers have been continuously decreasing, leading to weaker market transaction prices. Currently, the DOP price in China is at a high level, with limited room for further increases, and attention should be paid to changes in the upstream cost support.

• DOP trend analysis
• clear downtrend
• changes in mean deviation
• shifts in cost support levels

On September 22, 2026, the maleic anhydride market showed a moderate downward trend, with prices fluctuating. The factory prices in the main production areas of Jiangsu and Shandong continued to decline, and the prices over a one-year period were at a high level, leaving limited room for further increases. It is recommended to pay attention to changes in supply and demand.

• Maleic Anhydride Trend
• Price Fluctuation
• Moderate Correction
• High Range

On September 21, 2026, the cyclical moving averages of propylene oxide all weakened in tandem, with the 5-day, 10-day, and 20-day moving averages all turning negative, triggering a clear bearish signal. Current prices are at mid-to-high or high levels, lacking sufficient upward momentum, and the market as a whole is trending downward in the short term.

• Propylene oxide
• price decline
• average difference method
• market analysis

On September 22, 2026, all three cyclical components of phthalic anhydride declined in tandem, prompting mainstream producers to lower their quotes and signaling a clear short-term price drop. Current prices remain near the upper end of the past year’s range, with limited room for further increases; market participants should closely monitor upstream raw-material supply and changes in capacity utilization within the downstream resins sector.

• Phthalic anhydride prices fall
• average difference analysis
• market trends
• chemical industry

On September 21, 2026, all cyclical indicators for epichlorohydrin in China weakened, with the 5-day, 10-day, and 20-day moving averages all showing negative changes compared to the previous day, triggering a clear downward signal. The probability of short-term price pressure leading to a decline is high, while long-term cycles retain potential for an upward trend. Overall, the short-term trend is weak.

• Epichlorohydrin
• price decline
• mean difference analysis
• short-term pressure

As of September 23, 2026, the trend analysis for isooctanol indicates a choppy price movement, with signals pointing to a weak rebound (bearish bias). Current prices are near the upper end of the one-year cycle, leaving limited room for further gains. Major producers have been steadily lowering their factory prices, and there is currently no significant support on the supply‑demand side. We recommend monitoring the risk of a pullback from these elevated levels.

• 2-ethylhexanol
• trend analysis
• supply and demand
• price fluctuation

As of September 22, 2026, the price of acetic acid has shown a clear upward trend, with the 5-day, 10-day, and 20-day moving averages all positive and continuously increasing. The fundamentals indicate no inventory pressure, strong cost support, and an increase in the factory price in the main production areas in China, which supports the rise in prices. However, the short-term upside is limited.

• Acetic acid trend
• clear upward movement
• mean deviation analysis
• cost support

On September 23, 2026, a market trend analysis for n-butanol indicated a clear downward price movement. While specific data on average deviation changes were not provided, the overall market conditions showed a declining trend.

• n-butanol
• trend analysis
• price decline
• market dynamics

On September 23, 2026, the acrylic acid trend analysis signaled a clear downtrend. The 5-day, 10-day, and 20-day moving averages all turned negative compared to the previous day, meeting the criteria for a definitive bearish signal. Both short-term and medium-term upside potential are limited, as is long-term downside risk.

• Acrylic acid
• price decline
• mean difference analysis
• market trends

As of September 21, 2026, the price of 1,4-butanediol is running high and strong, with a clear short-term upward trend. The 5-day, 10-day, and 20-day moving averages are all positive and continue to increase, indicating strong cost support and stable downstream demand. However, it is important to be cautious of the risk of a pullback from the high levels.

• BDO trend
• price increase
• trading at high levels
• cost support

As of September 21, 2026, ethanol prices showed a strong rebound with a volatile and bullish trend. The 5-day and 10-day average differences were on the rise, but the 20-day average difference was declining. A 200,000-ton plant maintenance at COFCO in Guangxi and a reduction in import volume supported the supply side. The short-term rapid increase in prices is limited, but there is room for recovery in the medium to long term.

• Ethanol trend
• oscillating rebound
• supply-side support
• average difference analysis