As of October 29, 2026, the spot price of DOP in China continues to show a strong trend. According to the average difference method, it is currently in a clear upward trend, with prices at a high level within a 1-year cycle. The cost side is supported by the strong performance of upstream 2-ethylhexanol and phthalic anhydride, while downstream demand has not yet shown significant follow-up. Caution is needed against the risk of a pullback from the high levels.
Data Description
The latest available DOP-related data in China is up to October 29, 2026. It is recommended to refer to real-time data.
I. Table of Finite Differences
| Mean Difference Indicator | Value on October 29, 2026 | Value on October 28, 2026 | Direction of Change |
|---|---|---|---|
| 5-Day Mean Difference (D5) | 55 | 45 | + |
| 10-Day Mean Difference (D10) | 33.33 | 25.75 | + |
| 20-Day Mean Difference (D20) | 38.75 | 37.96 | + |
II. Signal Status and Trend Conclusions
Signal Status Determination: Clear Bullish Signal
Trend Direction Conclusion: A clear short-term uptrend.
Reason: The 5-day, 10-day, and 20-day differences are all positive and have changed in the same direction compared to the previous day, meeting the criteria for a clear upward trend according to the method of averages.
III. Positional Space Reference
Prices across the 60-day, 3-month, and 1-year cycles are all at elevated levels—ranked in the top quintile of the five-tier scale, within the highest 20% range for each cycle—leaving limited room for further upside.
4. Fundamental Analysis Reference
Supply Side: On October 29, mainstream DOP producers in China operated normally, with quotations generally increasing by 50-100 CNY per ton, and actual transaction prices rose accordingly.
Cost Side: Upstream prices for isooctanol and phthalic anhydride are both at cyclical highs, providing strong cost support for DOP.
Demand Side: Downstream PVC plasticizer buyers remain moderately active, with no significant increase in demand for now.
V. Trend Chart Display
VI. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
(Source: )