On August 17, 2026, the DOP spot market continued its recent upward trend, with mainstream manufacturers raising their quotes by 100 CNY/ton each. The mean difference indicator clearly signaled an upward trend, and prices over the next one-year period are currently in the mid-to-high range. While short-term upward momentum remains strong, it’s important to be vigilant about the risk of downward pressure at higher levels.
I. Table of Mean Difference Changes
| Average Difference Type | Today's Value (2026-08-17) | Yesterday's Value (2026-08-16) | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 30 | 10 | + |
| 10-day Average Difference (D10) | 62.5 | 52.5 | + |
| 20-day Average Difference (D20) | 34.17 | 20.83 | + |
II. Signal Status Determination
Three deviations all showed a positive change compared to the previous day, indicating a clear upward signal.
III. Trend Direction Conclusions
The price trend is clearly upward. Reasons: The 5-day, 10-day, and 20-day moving average differences have all shown positive growth compared to yesterday, and their directions are completely consistent, meeting the criteria for a clear upward trend according to the moving average difference method. At the same time, the major manufacturers in the Chinese spot market have raised their quotes by 100 CNY per ton, and the actual transaction prices have also increased. The market transaction atmosphere is improving, further supporting the upward trend.
4. Spatial Reference
The DOP1 one-year cycle price is currently in the mid-to-high range (4th tier). The current price is within the 60%-80% interval of the cycle. Attention should be paid to upward pressure at higher levels; although there is short-term upward momentum, the subsequent upside potential may be limited.
V. Trend Chart Display
VI. Supplementary Market Dynamics
On August 17, 2026, Shandong Saint Peak Chemical's DOP execution price was 9005 CNY/ton, an increase of 100 CNY/ton; Zhenjiang Liancheng Chemical's DOP factory price was 9100 CNY/ton, an increase of 100 CNY/ton; Zhejiang Hongbo New Materials' DOP price was 9200 CNY/ton, an increase of 100 CNY/ton, with actual transaction prices also rising in tandem.
Risk Warning
The above analysis is for reference only and does not constitute trading advice.
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