October 20th, news
1. Mean Difference Change Table
| Type of Average Difference | Today’s Value (2026.10.19) | Yesterday’s Value (2026.10.18) | Direction of Change |
|---|---|---|---|
| 5-Day Average Difference (D5) | -102.4 | -78.4 | - |
| 10-Day Average Difference (D10) | -107.2 | -166.2 | + |
| 20-Day Average Difference (D20) | 123.8 | 214.3 | - |
2. Signal Status Determination
The current average difference change combination is (-, +, -), which belongs to a rebound (bearish) signal.
3. Trend Direction Conclusion
The short-term trend is oscillating (with a bearish bias). Reason: The changes in the three differences from the previous day are not entirely consistent, meeting the criteria for a volatile market. Specifically, it is a rebound with a bearish attribute, and there is pressure for a short-term pullback.
4. Location and Spatial Reference
Styrene prices in China are at the 5th level (high) for a 1-year cycle, and at the 4th level (upper-middle) for 60-day and 3-month cycles. Overall, the prices are in a relatively high range, with limited room for further increases. There is a strong potential for downward adjustment under high-level fluctuations.