October 9th News
1. Mean Deviation Change Table
| Mean Difference Indicator | Value as of October 8, 2026 (CNY/ton) | Value as of October 7, 2026 (CNY/ton) | Direction of Change |
|---|---|---|---|
| 5-Day Mean Difference (D5) | 728.00 | 0.00 | + |
| 10-Day Mean Difference (D10) | 112.00 | 60.00 | + |
| 20-Day Mean Difference (D20) | 283.50 | 207.50 | + |
2. Signal Status Determination
Clearly identify the upward signal.
3. Trend Direction Conclusion
The short-term trend is clearly upward. Reason: The 5-day, 10-day, and 20-day differences all show a consistent direction of change compared to the previous day, and all three are positive, which meets the clear criteria for an upward trend according to the average difference method. Additionally, on October 8th, Sinopec's East China and North China regions increased the factory price of styrene by 550 CNY/ton and 800 CNY/ton, respectively, providing strong support for the price.
4. Positional Spatial Reference
Styrene prices for 60-day, 3-month, and 1-year cycles are all in the 5th tier (high) out of 5 tiers, indicating limited room for further price increases in China.
5. Trend Chart Display
Risk Warning
【Commodity Formula Pricing Principle】
The benchmark price is a transaction guidance price generated based on big 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 factors such as credit period costs. C: Premiums and discounts, including factors such as logistics costs, brand price differences, and regional price differences.
