September 30th News
1. Average Deviation Change Table
| Mean Difference Indicator | Today's Value (2026.09.29) | Yesterday's Value (2026.09.28) | Direction of Change |
|---|---|---|---|
| 5-Day Mean Difference (D5) | 115.80 | 116.80 | - |
| 10-Day Mean Difference (D10) | 68.81 | 54.55 | + |
| 20-Day Mean Difference (D20) | 37.73 | 49.08 | - |
2. Signal Status Judgment
The current combination of sign changes in the finite differences is (–, +, –), which constitutes a pullback (bearish) signal.
3. Trend Direction Conclusion
The current PTA price trend is oscillating (with a bearish bias). Reason: The changes in the three average differences from the previous day are not entirely consistent, meeting the criteria for an oscillating trend, and the corresponding combination is of the rebound type with a bearish bias.
4. Positional Space Reference
Over the past year, PTA prices have been in the fifth tier (high range), leaving limited room for further increases.
5. Trend Chart Display
6. Risk Warning
The above analysis is for reference only and does not constitute trading advice.