August 13th News
1. Average Difference Variation Table
| Average Difference Type | Today’s Value (2026-08-12) | Yesterday’s Value (2026-08-11) | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 38.15 | 30.87 | + |
| 10-day Average Difference (D10) | 14.12 | 1.99 | + |
| 20-day Average Difference (D20) | -19.38 | -22.15 | + |
2. Signal Status Determination
The three mean differences all showed the same direction of change as the previous day—positive—indicating a clear upward trend.
3. Trend Direction Conclusion
The price trend is clearly upward, reason: the changes in the 5-day, 10-day, and 20-day average differences from the previous day are all positive, which meets the criteria for a clear upward trend according to the average difference method.
4. Positional Spatial Reference
Over a one-year period, the price of polyester staple fiber remains at a medium-to-high level with limited room for further increases; over a 60-day period, prices are at a mid-level; and over a three-month period, prices are at a medium-to-low level.
5. Trend Chart Display
6. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
