September 28 report
1. Mean Deviation Change Table
| Average Difference Indicator | Today’s Value (2026.09.27) (CNY/ton) | Yesterday’s Value (2026.09.26) (CNY/ton) | Direction of Change |
|---|---|---|---|
| 5-Day Average Difference (D5) | -2.5 | -5.0 | Up |
| 10-Day Average Difference (D10) | -10.0 | -8.75 | Down |
| 20-Day Average Difference (D20) | 120.0 | 150.62 | Down |
2. Signal Status Determination
The current signal is a weak rebound (bearish).
3. Trend Direction Conclusion
The current PP price trend is volatile. Reason: The combination of the three successive differences in direction compared to the previous day is (+, −, −), indicating that the directions of change are not fully consistent, thus meeting the criteria for identifying a ranging (sideways) market trend.
4. Position Space Reference
On the PP60, prices for the 1-day, 3-month, and 1-year cycles are all at the upper end of the fifth tier (the top 20% range within each cycle), leaving limited room for further gains.
5. Trend Chart Display
6. Risk Warning
The above analysis is for reference only and does not constitute trading advice.