October 22nd report:
1. Mean Difference Change Table
| Difference Type | Today’s Value (2026.10.21) | Yesterday’s Value (2026.10.20) | Direction of Change |
|---|---|---|---|
| 5-Day Difference (D5) | 139.6 | -44.4 | + |
| 10-Day Difference (D10) | -46.6 | -123.2 | + |
| 20-Day Difference (D20) | -24.5 | 42.3 | - |
2. Signal Status Determination
The current signal is a strong rebound (bullish, rebound in nature).
3. Trend Direction Conclusion
The short-term trend is choppy. Reason: The changes in the three differences from the previous day are not entirely consistent, meeting the criteria for oscillation. The combination of signs (+, +, -) corresponds to the oscillation characteristics of a strong rebound (biased towards bullish).
4. Positional Spatial Reference
Styrene prices for 60-day, 3-month, and 1-year periods are all at high levels, corresponding to the 5th tier out of 5 tiers, indicating limited room for further increases.
5. Trend Chart Display
Risk Warning
The above analysis is for reference only and does not constitute trading advice.
