September 29 report:
According to the SpotCom AI assistant, this daily report is compiled based on the latest spot trading data. Through mean difference analysis, it is calculated that the current maleic anhydride spot market shows a strong rebound with a predominantly volatile trend. The spot trading in the main production areas of China is relatively strong, and the prices are already at a high level for the past year. The subsequent upward space is relatively limited, which can provide a reference for pricing and inventory decisions for upstream and downstream enterprises in the industry chain.
I. Latest Spot Market Updates
On September 28, 2026, market prices across China’s major maleic anhydride production regions all rose: in Jiangsu, solid maleic anhydride was quoted at around RMB 8,500–9,500 per ton, while liquid maleic anhydride fetched approximately RMB 8,900–9,100 per ton; in Shandong, solid maleic anhydride hovered near RMB 8,500–9,500 per ton, and liquid maleic anhydride was priced around RMB 8,800 per ton. The leading producers in both regions raised their official ex‑factory prices, marking a sustained upward trend since September 23.
II. Analysis of the Mean Difference Indicator
1. Average difference change table
| Mean Difference Indicator | Value as of September 28, 2026 | Value as of September 27, 2026 | Direction of Change |
|---|---|---|---|
| 5-Day Mean Difference (D5) | 160.00 | 0.00 | + |
| 10-Day Mean Difference (D10) | 15.00 | -15.00 | + |
| 20-Day Mean Difference (D20) | 214.37 | 284.37 | - |
2. Signal Status Determination
The current combination of changes in the divided differences is (+, +, -), which corresponds to a strong rebound (bullish, rebound‑type) signal as defined by the divided‑difference method.
3. Trend direction conclusion
The current trend in maleic anhydride prices in China is volatile with a bullish bias, as the changes in the three average differences from the previous day are not entirely consistent, indicating that the overall market is within a volatile range, with clear characteristics of a bullish signal.
III. Reference for Price Levels and Upside/Downside Potential
Maleic anhydride 60-day, 3-month, and 1-year cycle prices are all in the 5th tier (high, within the top 20% range of the cycle), with limited room for further increases.
IV. Price Trend Chart for the Past Year
Five, Reference of the Industrial Chain in China
Maleic anhydride's main raw materials upstream in China include hydrogenated benzene, n-butane, coke benzene, liquefied gas, and pure benzene; downstream, the primary demand covers areas such as polyaspartic acid, tetrahydrophthalic anhydride, succinic acid, unsaturated polyester resins, tetrahydrofuran, and 1,4-butanediol.
The latest available data is up to September 28, 2026. It is recommended to refer to real-time data.
Risk Warning: The above analysis is for reference only and does not constitute trading advice.
