Today, the phthalic anhydride price in China is at a high level within the 1-year cycle. The average difference indicator shows a strong consolidation with a bullish signal. The short-term price is expected to maintain a fluctuating pattern. Subsequent developments will require close attention to the guidance provided by changes in upstream raw material supply and downstream demand.
I. Table of Mean Difference Changes
| Mean Difference Type | Today's Value (2026-08-17) | Yesterday's Value (2026-08-16) | Direction of Change |
|---|---|---|---|
| 5-day Mean Difference (D5) | 10 | 36.67 | - |
| 10-day Mean Difference (D10) | 43.33 | 20 | + |
| 20-day Mean Difference (D20) | -66.66 | -76.67 | + |
II. Signal Status Determination
The current mean difference change direction combination is (－, ＋, ＋), which belongs to a strong consolidation (biased towards bullish) signal.
III. Conclusion on Trend Directions
The price trend is oscillating. Reason: The direction of change in the three averages compared to the previous day is not entirely consistent, which meets the criteria for an oscillating market. Moreover, the combination suggests a strong consolidation with a bullish bias, indicating that although there is no clear one-sided trend in the short term, the overall characteristic is clearly biased towards consolidation with a bullish tendency.
IV. Positional Spatial Reference
Phthalic anhydride is in the 5th tier (high position) of its 1-year price cycle. According to the rules, the room for further increase is limited, and one should be cautious of the risk of a high-level correction in China.
V. Trend Chart Display
VI. Market Spot Dynamics
2026-08-17, Zhenjiang Liancheng Chemical Industry Co., Ltd.'s phthalic anhydride unit is operating normally, with a quoted price of 9,100 CNY per ton, an increase of 100 CNY per ton from the previous period.
2026-08-14, Changzhou Xinyang phthalic anhydride facility utilization rate is around 50%, with low inventory. The price is 9,200 CNY/ton, an increase of 50 CNY/ton from the previous period, and orders are being accepted on a limited basis.
2026-08-12, the phthalic anhydride unit of Tongling Chemical Industry Group in China resumed operations, with a quoted price of 9,050 CNY per ton, an increase of 50 CNY per ton from the previous period, and small volume shipments.
Risk Warning
The above analysis is for reference only and does not constitute trading advice.
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