This daily report is based on the mean difference analysis system, combining the latest spot quotes, moving averages, and cyclical price position data as of September 22, 2026. It is determined that the current price of isooctanol in China is in a fluctuating trend, with the signal characteristics being a weak rebound (bearish). The price is in the high range of the 1-year cycle, with limited room for further increases. Relevant market participants can refer to changes in supply and demand for decision-making.
Data Description
The latest available data for isooctanol in China is up to September 22, 2026. It is recommended to refer to real-time data.
I. Supply and Demand Reference
Recently, major isooctanol production facilities in Shandong have maintained stable operating rates, while factory prices have been declining for several consecutive days. From September 17 to 22, 2026, Hualu Hengsheng’s isooctanol factory price fell by a cumulative RMB 500 per ton, from RMB 9,900 to RMB 9,400 per ton, and Lihua Yi’s isooctanol factory price dropped by a cumulative RMB 400 per ton, from RMB 9,500 to RMB 9,100 per ton. Meanwhile, upstream propylene prices are also on a downward trajectory from elevated levels, and downstream plasticizer demand has yet to show any significant increase to provide support.
II. Table of Finite Differences
| Mean Difference Indicator | Value as of 2026.09.22 | Value as of 2026.09.21 | Direction of Change |
|---|---|---|---|
| 5-Day Mean Difference (D5) | -193.33 | -206.67 | + |
| 10-Day Mean Difference (D10) | -143.33 | -103.33 | - |
| 20-Day Mean Difference (D20) | 190 | 248.33 | - |
III. Signal Status Judgment
The current three deviation change direction combinations are (+, -, -), which belong to a weak rebound (bearish) signal.
4. Conclusion on Trend Directions
The current price trend is oscillating, reason: the 5-day average difference change direction is positive, while the 10-day and 20-day average difference change directions are negative. The change directions of the three are not completely consistent, which meets the criteria for an oscillating trend. The overall trend is slightly bearish.
V. Positional Space Reference
The price of isooctanol is in the 4th tier (mid-to-high range) on the 60-day cycle, and in the 5th tier (high range) on both the 3-month and 1-year cycles, indicating limited upside potential and cautioning against the risk of a pullback from elevated levels.
VI. Trend Chart Display
VII. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
(Source: )
