September 10th, it was reported that
1. Mean Difference Change Table
| Average Difference Type | Value as of September 9, 2026 (CNY/ton) | Value as of September 8, 2026 (CNY/ton) | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 83.2 | -12.0 | + |
| 10-day Average Difference (D10) | 181.4 | 260.0 | - |
| 20-day Average Difference (D20) | 351.0 | 306.3 | + |
2. Signal Status Determination
The current signal is a stagnation warning (bearish) in China.
3. Trend Direction Conclusion
The short-term trend is volatile. Reason: The changes in the three differences compared to the previous day are +, -, and +, which are not completely consistent, and do not meet the criteria for a clear upward or downward trend. Therefore, it is considered a fluctuating trend, and the stagnation warning signal indicates a short-term bearish trend.
4. Positional Spatial Reference
Styrene 60-day cycle price is in the 5th tier (high), 3-month cycle is in the 5th tier (high), and 1-year cycle is in the 4th tier (mid-high), with limited short-term upside.
5. Trend Chart Display
【Commodity Formula Pricing Principle】
The benchmark price is a transaction guidance price generated based on big price data and price models, also known as the price. It can be used to determine the transaction settlement prices for the following two types of demands: 1. The settlement price on the specified date 2. Average settlement price for the specified period Pricing formula: Settlement price = Base price × K + C K: adjustment factor, including costs of payment terms and other factors. C: Premium and discount, including factors such as logistics costs, brand price differences, and regional price differences.
