August 19 news
1. Average Deviation 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) | 414.00 | 159.00 | + |
| 10-Day Average Difference (D10) | 234.00 | 141.00 | + |
| 20-Day Average Difference (D20) | 169.00 | 112.50 | + |
2. Signal Status Determination
Three differences are all positive compared to the previous day, indicating a clear upward trend.
3. Trend Direction Conclusion
The short-term price trend is clearly upward. Reason: According to the moving average difference method, the 5-day, 10-day, and 20-day moving averages all showed positive growth compared to the previous day, meeting the criteria for a clearly upward trend. Meanwhile, at the spot market level, on August 17, Sinopec and PetroChina Northeast Sales Company raised the factory price of cis-1,4-polybutadiene rubber by 400 CNY/ton. On August 18, the market price of cis-1,4-polybutadiene rubber in the Jiangzhe region surged significantly. Coupled with rising crude oil prices and an increase in futures prices, these factors are providing support for the spot price.
4. Position Space Reference
1 year cycle price is in the mid-range, and there is still some room for increase;
The price for the 3-month cycle is at a medium-to-high level, and the pace of increase may slow down somewhat.
The 60-day moving average price is at a high level, and the short-term upside potential is constrained by upward pressure from the high.
5. Trend chart display
6. Risk Warning
The above analysis is for reference only and does not constitute trading advice.