Price Trends

Since September, the methanol market in China has seen a significant increase, with quotes at East China ports rising from 3250 CNY/ton to 3983 CNY/ton. The price increase is supported by tight supply and restocking demand for the dual festivals. Although the methanol futures price on the Zhengzhou Commodity Exchange has fallen, the spot market is expected to remain at a high level and consolidate.

• Methanol market conditions
• tight supply
• downstream demand
• futures price fluctuations

As of September 17, 2026, MTBE is in a pattern of mostly retracement and fluctuation, supported by high upstream methanol costs and foreign market prices. The short-term upward space is limited, and the overall trend remains at a high level with fluctuations. The signal is a retracement (bullish), which aligns with the characteristics of a bullish fluctuation. Risk warning: This analysis is for reference only and does not constitute trading advice.

• MTBE trend analysis
• high-level fluctuations
• cost support
• impact of overseas prices

On September 17, 2026, the price of petroleum coke in China clearly increased, with many refineries raising their quotes. The 5-day, 10-day, and 20-day moving averages all showed positive changes, indicating short-term room for further increases but limited long-term price increases. Upstream crude oil prices remain high, supporting costs, while downstream demand is stable.

• Petroleum coke prices rise
• high crude oil prices provide support
• short-term upward potential
• demand-side support

On September 18, 2026, the coking coal market reached a critical turning point: the five-round spot price hikes were fully implemented, while futures prices weakened The cumulative increase for wet-quenched coke reached 450 CNY per ton, and for dry-quenched coke, it reached 495 CNY per ton—a price rise of approximately 27% Although supply has marginally improved, some coal mines remain shut down, and downstream steel mills are suffering severe losses

• Coke market
• price increase
• supply and demand analysis
• future market forecast

On September 18, 2026, the spot price of 180CST fuel oil in China continued to rise to 7,200-7,700 CNY/ton. The market is in a strong consolidation phase, with a bias towards volatility and higher prices, currently at the highest level in nearly a year, leaving limited room for further increases. The changes in the average spread indicate strong support for short- to medium-term upward movement.

• Fuel oil 180CST
• Price trend
• Volatile but strong
• High-level consolidation

From September 11 to 18, the price of MTBE fell from 8,100 CNY/ton to 7,925 CNY/ton, a decrease of 2.16%. The cost support weakened due to the decline in crude oil prices, but the demand was boosted by inventory preparation for the two festivals, and the supply showed a positive trend with a decrease in operating rates. It is expected that the MTBE market in China will remain firm.

• MTBE Market
• Price Trends
• Supply-Demand Analysis
• Impact of International Oil Prices

As of September 17, 2026, the PTA trend analysis indicates that current prices are experiencing high-level fluctuations. The moving average difference combination is (+, -, +), which suggests a slightly bullish retracement signal. However, upward potential is limited; traders are advised to proceed with caution.

• PTA trend
• volatile market conditions
• technical analysis
• market signals

The PTA trend analysis on September 18, 2026, PT, shows that the 5-day and 10-day moving averages both declined, while the 20-day moving average rose. The signal indicates a moderate pullback (slightly bearish). Currently, the PTA price trend is volatile and remains at a high level, with limited room for further increases.

• PTA trend
• oscillating trend
• mean deviation analysis
• high price levels

The trend analysis for polyester staple fiber as of September 17, 2026, indicates that current prices are in a state of fluctuation. The 5-day, 10-day, and 20-day moving averages show inconsistent directions of change, resulting in a signal combination of (+, -, +), which suggests a pullback oscillation with a slightly bullish bias. Prices across all timeframes remain at high levels, leaving limited room for further upward movement.

• Polyester staple fiber
• Trend analysis
• Volatile market
• High position risk

As of September 17, 2026, the price trend of acrylonitrile in China is oscillating with a bullish bias, and the signal status is strong consolidation Currently, the 5-day, 10-day, and 20-day moving average differences are not consistent in direction, but factors such as multiple plants increasing their listed prices, local plant maintenance, and manageable inventory levels support a stronger price trend

• Acrylonitrile
• Trend Analysis
• Strong Consolidation
• Price Fluctuation

As of September 17, 2026, the Chinese PVC spot market continued to operate weakly, with quotations decreasing and low trading volumes. The average difference method shows that PVC prices are in a clear downward trend, facing short-term pressure but with limited long-term downward space. The current mainstream quotation for calcium carbide method type 5 PVC is 4750-4800 CNY per ton.

• PVC Market Analysis
• Downward Price Trend
• Spot Market Dynamics
• Futures Impact

On September 17, 2026, the MIBK market was in a moderate correction phase, with prices at near-year highs. The combination of average deviation changes was (-, -, +), indicating a generally bearish trend with price fluctuations. In the East China market, the mainstream negotiated spot prices for self-collection were between 13,500 and 13,600 CNY per ton. It is important to be vigilant about the risk of a high-level pullback.

• MIBK trend: Moderate pullback
• high-level risks
• impact on the industrial chain

On September 18, 2026, the caustic soda market in China showed a strong consolidation with a bias towards upward fluctuation. The prices were within the range of the lowest levels in the past year and three months, indicating limited room for further decline and ample support for long-term upward movement. The current signals align with the characteristics of a bullish fluctuation, and the overall trend is one of oscillation. It is recommended to pay attention to real-time data.

• Soda ash trend
• strong fluctuation
• low range
• upward support

On September 18, 2026, the lithium carbonate market in China showed strong rebound signals, but the overall trend remained volatile. The 5-day and 10-day moving average differences have shown some recovery, while the 20-day moving average difference continued to decline. Current prices are at a low level, with limited room for further decline, but in the long term, the potential for increases and decreases is relatively balanced.

• Lithium carbonate
• trend analysis
• strong rebound
• volatile trend

This week, the Chinese anhydrous hydrogen fluoride market continued to operate at a high level, with a benchmark price of 16,600 CNY per ton. The price of fluorspar increased by 2.25%, while the price of sulfuric acid weakened. Overall production costs remain high. It is expected that the market will stabilize in the short term, and attention should be paid to the maintenance status of raw material suppliers and downstream refrigerant companies.

• Anhydrous hydrogen fluoride
• market operating at high levels
• raw material cost support
• weak downstream demand

On September 16, 2026, the hydrofluoric acid market in China showed a fluctuating trend, with the short-term 5-day and 10-day average differences remaining unchanged, while the 20-day average difference slightly declined. There is currently no clear bias towards either buying or selling. The long-term price is in a high range, with limited room for increase, and the overall trend is mainly characterized by range-bound fluctuations.

• Hydrofluoric acid market
• volatile market conditions
• average difference analysis
• high price range

On September 17, 2026, the hydrofluoric acid market remained in a volatile and consolidating pattern. The 5-day, 10-day, and 20-day moving averages showed no change, and prices stayed within a high-range, with limited room for further upward movement. Costs provided slight support, while demand remained weak. In the short term, the market is likely to continue its volatile trading trend.

• hydrofluoric acid
• consolidation
• high range
• supply and demand competition

As of September 17, 2026, the DOP spot price is at a one-year high, and the mean difference indicator shows an oscillating pullback (bullish) state. The upstream cost support for 2-ethylhexanol and phthalic anhydride is strong, but there is a need to be cautious about the risk of a pullback from the high levels. The current signal combination is (+, -, +), and the trend judgment is oscillating.

• DOP trend analysis
• oscillating pullback
• cost support
• risk of high-level decline

On September 16, 2026, the overall price of maleic anhydride in China remained stable, at a high level for nearly 1 year, showing a trend of fluctuation with a slight increase. The factory prices of solid and liquid anhydride in Jiangsu and Shandong regions remained around 8,900-9,500 CNY/ton. Attention should be paid to changes in upstream raw materials and downstream demand.

• Maleic anhydride trend analysis
• volatile market conditions
• high prices
• impact on the industrial chain

On September 16, 2026, the propylene oxide market entered a moderate correction phase, with prices showing a volatile trend. The mean-difference combination (-, -, +) indicates significant short-term downward pressure. Prices over the 60-day and 3-month periods remain at high levels, limiting the room for short-term upward movement; meanwhile, the 1-year period is positioned in the mid-to-high range, leaving room for medium-term volatility.

• Propylene oxide
• Market analysis
• Price trend
• Fluctuating pattern