August 18 news
On August 18, 2026, the MTBE market in China clearly rose. Reason: According to the average difference method, the 5-day, 10-day, and 20-day average differences all showed a positive change compared to the previous day, meeting the criteria for a clear upward trend. In terms of fundamentals, MTBE production companies in Shandong Province have continuously raised their quotes. On August 17, Shandong Chengtai New Materials, Lihuayi Lijin Petrochemical, and Shida Shenghua raised their quotes to 6,800 CNY/ton, while Dongming Qianhai Chemical raised its quote by 200 CNY/ton to 6,700 CNY/ton. In the international market, U.S. MTBE prices have been rising, with an increase of 44.66 dollars/ton on August 14 compared to the previous trading day. The Asian market also shows a fluctuating upward trend, with supply and demand and market sentiment jointly supporting the short-term price increase.
1. Average Difference Change Table
| Average Difference Type | Today's Value (2026-08-17) | Yesterday's Value (2026-08-16) | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 33.00 | -28.00 | + |
| 10-day Average Difference (D10) | -55.00 | -71.00 | + |
| 20-day Average Difference (D20) | -139.20 | -142.92 | + |
2. Signal Status Judgment
The trend is clear (upward), and the three moving averages all showed positive changes compared to the previous day.
3. Trend Direction Conclusion
Clearly on the rise. Reason: According to the moving average difference method, the 5-day, 10-day, and 20-day moving averages all showed a consistent upward trend compared to yesterday, meeting the criteria for a clearly bullish trend. From a fundamental perspective, MTBE producers in Shandong have been continuously raising their quoted prices. On August 17, Shandong Chengtai New Materials, Lihua Yili Jin Petrochemical, and Shida Shenghua raised their quotes to 6,800 CNY/ton, while Dongming Qianhai Chemical increased its price by 200 CNY/ton to 6,700 CNY/ton. On the international market, U.S. MTBE prices have risen consecutively, increasing by $44.66/ton on August 14 compared to the previous trading day. The Asian market is also showing a volatile upward trend, with both supply-demand dynamics and market sentiment jointly supporting short-term price increases.
4. Position and Spatial Reference
The 60-day cycle price is in the fourth tier (mid-to-high range), and its upside potential is somewhat limited.
The 3-month cycle price is in the 4th tier (mid-to-high range), and upward momentum has somewhat weakened.
The 1-year cycle price is in the 3rd tier (median), with the price in the middle of the range, showing a relatively balanced trend.
5. Trend Chart Display
6. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
