This analysis is based on spot price data, combined with a mean difference analysis framework and the latest industry developments. It concludes that the current phthalic anhydride prices in China are at a high level across multiple cycles. The short-term momentum for price increases has narrowed, and the overall trend is characterized by fluctuating operations with increasing pressure for a bearish correction. This is provided for reference to market participants.
Data Description
The latest available phthalic anhydride data in China is up to September 1, 2026. It is recommended to refer to real-time data.
I. Table of Mean Difference Changes
| Average Difference Type | Value as of Sep 1, 2026 | Value as of Aug 31, 2026 | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 0 | 0 | Flat |
| 10-day Average Difference (D10) | 23.33 | 35 | - |
| 20-day Average Difference (D20) | 92.5 | 100 | - |
II. Signal State Determination
The current signal indicates a weak, oscillating rebound (leaning bearish).
III. Trend Direction Conclusions
The short-term trend is characterized by fluctuations, for the following reason: The directions of change in the three moving averages are not entirely consistent with those of the previous day (the 5-day moving average remains flat, while the 10-day and 20-day moving averages both declined compared to yesterday). This does not meet the criteria for a clear upward or downward trend, and overall upward momentum has begun to weaken.
IV. Positional Spatial Reference
Phthalic anhydride 60-day, 3-month, and 1-year cycle prices are all in the 5th tier (high range), with limited room for increase, and there is pressure for a pullback at high levels.
V. Supplementary Industrial Dynamics
On September 1, 2026, Panjin Ruide Chemical Co., Ltd. resumed operations of its 100,000-ton phthalic anhydride plant. With limited inventory, the quoted price for phthalic anhydride is 9,300 CNY/ton, an increase of 200 CNY/ton from the previous quote. In the short term, the supply side still has some support.
6. Trend Chart Display
VII. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
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