September 17 news
Recent international crude oil prices have been fluctuating upwards. After the September price adjustment of refined oil in China, the cost support is solid, and the current spot price of diesel is at a high level for nearly 1 year. From the perspective of the average difference indicator, the current diesel market is in a weak rebound and slightly bearish oscillation phase. Subsequently, attention needs to be paid to the trend of international crude oil and the changes in supply and demand in China, with limited room for further increases.
1. Mean Difference Change Table
The most recent available data is up to September 16, 2026. It is recommended to refer to real-time data.
| Average Difference Type | Value as of September 16, 2026 | Value as of September 15, 2026 | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 80.85 | 54.71 | + |
| 10-day Average Difference (D10) | 150.07 | 177.34 | - |
| 20-day Average Difference (D20) | 263.56 | 266.32 | - |
2. Signal Status Determination
The current deviation change combination is (+, -, -), which is a weak rebound (bearish) signal.
3. Trend Direction Conclusion
The current price trend is oscillating. Reason: The change in direction of the 5-day, 10-day, and 20-day moving averages compared to the previous day is not completely consistent, and does not meet the criteria for a clear upward or downward trend, therefore it is determined to be an oscillating trend.
4. Position Space Reference
Diesel prices in China for 60-day, 3-month, and 1-year periods are all at high levels, corresponding to the 5th tier of the 5-tier system, leaving limited room for further increases.
5. Trend chart display
6. Fundamental References
Cost side: On September 15, international crude oil futures surged significantly. The settlement price for the November Brent crude oil contract reached $108.75 per barrel, representing a price increase of 2.9%, providing strong support for diesel prices.
Policy Update: On September 11, China’s refined oil price adjustment took effect. Affected by temporary regulatory measures, the actual increase in diesel prices was 250 CNY per ton, lower than the 420-yuan increase calculated under the official mechanism.
Spot market: On September 16, the diesel quotations from independent refineries in China continued to rise. The quotation range for diesel in the northwest region was 8800-8900 CNY/ton, and in the northeast region, it was 8900-9000 CNY/ton.
7. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
