August 19 news
On August 19, 2026, the MTBE market in China clearly increased. According to the mean difference rule, the 5-day, 10-day, and 20-day mean differences all showed a positive change compared to the previous day, meeting the criteria for a clear increase. In the spot market, MTBE production companies in Shandong Province continuously raised their quotations; on August 17, multiple companies raised their prices to 6800 CNY/ton, and on August 18, Lihuayi Lijin Petrochemical and Shida Shenghua further increased their prices to 6850 CNY/ton, while Dongming Qianhai Chemical also continuously raised its auction prices. In the international market, the closing price of the U.S. MTBE market has been significantly increasing for several consecutive days, and the European market is also showing an upward trend, providing support for Chinese prices.
1. Average Difference Change Table
| Average Difference Type | Today's Value (2026-08-18) | Yesterday's Value (2026-08-17) | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 99.00 | 33.00 | + |
| 10-day Average Difference (D10) | -32.00 | -55.00 | + |
| 20-day Average Difference (D20) | -122.73 | -139.20 | + |
2. Signal Status Judgment
The three mean differences all showed the same direction of change as the previous day and were all positive, indicating a clear upward trend.
3. Trend Direction Conclusion
The short-term price trend is clearly upward. Reason: According to the mean difference rule, the 5-day, 10-day, and 20-day mean differences are all positive compared to the previous day, meeting the criteria for a clear upward trend; in the spot market, MTBE production companies in Shandong Province have continuously raised their quotes, with many companies increasing their prices to 6800 CNY/ton on August 17th. On August 18th, Lihuayi Lijin Petrochemical and Shida Shenghua further raised their prices to 6850 CNY/ton, and Dongming Qianhai Chemical also continuously increased its auction quotes; in the international market, the closing price of the U.S. MTBE market has been significantly raised for several consecutive days, and the European market is also showing an upward trend, providing support for Chinese prices.
4. Positional Spatial Reference
60-day cycle price is in the mid-high range, with limited room for increase;
Prices over a 3-month period are at a medium-to-high level, with limited room for further increases.
The price over a one-year cycle is at the median, with relatively balanced upside and downside potential.
5. Trend Chart Display
6. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
