September 30 report:
1. Mean Deviation Change Table
| Indicator | Today’s Value (2026.09.29) | Yesterday’s Value (2026.09.28) | Direction of Change |
|---|---|---|---|
| 5-Day Moving Average (D5) | 228.00 | 112.00 | + |
| 10-Day Moving Average (D10) | 42.00 | -5.00 | + |
| 20-Day Moving Average (D20) | -195.20 | -192.90 | - |
2. Signal Status Determination
The current signal indicates a strong rebound (bullish, of a rebound nature).
3. Trend Direction Conclusion
The short-term trend is choppy. Reason: The change directions of the three differences compared to the previous day are (+, +, -), which are not completely consistent, meeting the criteria for oscillation. From the characteristics of the combination, it belongs to a rebound market with a bullish attribute in China.
4. Positional Spatial Reference
Styrene prices for 60-day and 3-month cycles are at the 5th level (high), with limited short-term upside potential; the 1-year cycle price is at the 4th level (moderately high), with an overall high valuation, making it risky to chase further gains.
5. Trend Chart Display
【Commodity Formula Pricing Principle】
The benchmark price is a transaction guidance price generated based on big data and pricing models, also referred to as the “price.” It can be used to determine the settlement price for transactions meeting either of the following two requirements: 1. 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 the cost of payment terms. C: The premium or discount, which includes logistics costs, brand price differentials, regional price differentials, and other factors.
