Recently, Shandong Lihuayi, Hualu Hengsheng, and other isooctanol production enterprises in China have successively raised their factory prices. However, the differential indicators show that the current market is in a deep correction and a volatile bearish pattern. Prices are at a high level within 60 days and a 3-month cycle, and at a medium-high level within a 1-year cycle, limiting the room for further increases. Subsequent attention should be paid to the supply and demand linkage effects of upstream propylene and downstream ester products.
I. Table of Mean Difference Changes
| Average Difference Type | Today's Value (2026-08-18) | Yesterday's Value (2026-08-17) | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 0 | 6.67 | - |
| 10-day Average Difference (D10) | 66.66 | 86.66 | - |
| 20-day Average Difference (D20) | 176.67 | 163.33 | + |
II. Signal State Determination
The changes in the three differences compared to yesterday are (－, －, ＋), which is consistent with the characteristics of a deep correction (bearish, corrective nature) signal within the range of fluctuation.
III. Trend Direction Conclusions
The price trend is oscillating with a bearish bias. Reason: The 5-day and 10-day moving average differences have declined compared to yesterday, reflecting a weakening of short-term price momentum; only the 20-day moving average difference has slightly increased, and the changes in the three are not entirely consistent, indicating an overall oscillating pattern, corresponding to a deep correction and bearish signal. Although some companies in Shandong, such as Lihuayi and Hualu Hengsheng, have raised their ex-factory quotes, the mid-term upward momentum is insufficient, and the market shows an oscillating trend with a corrective nature.
IV. Positional Spatial Reference
Isobutanol prices are at a high level within the 60-day and 3-month periods, with limited room for further increases; within a 1-year period, they are at a moderately high level, with the overall price range being relatively high, making it difficult for further upward movement.
V. Trend Chart Display
VI. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
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