September 18th, it was reported that
According to the SpotCom AI assistant, based on the latest average difference index analysis, the current petroleum coke prices are in a clear upward trend. On September 17, petroleum coke quotations from refineries in many parts of China continued to rise. The high upstream crude oil prices support the cost end, and the 1-year cycle price is at a medium-high level. There is support for short-term increases, but the space for a significant long-term increase is limited. Below are the detailed analysis contents:
I. Table of Mean Difference Changes
| Average Difference Type | Value on 2026.09.17 | Value on 2026.09.16 | Direction of Change |
|---|---|---|---|
| 5-day Average Difference (D5) | 38.50 | 30.50 | + |
| 10-day Average Difference (D10) | 33.75 | 28.75 | + |
| 20-day Average Difference (D20) | -3.98 | -16.44 | + |
Note: The latest available data is up to September 17, 2026. It is recommended to refer to real-time data.
II. Signal State Determination
The current situation is a clear signal of an increase.
III. Conclusion on Trend Direction
The price trend is clearly upward, reason: the changes in the 5-day average difference, 10-day average difference, and 20-day average difference compared to the previous day are all positive, and the directions of change for all three are completely consistent, meeting the criteria for a clear upward trend according to the average difference method.
IV. Positional Spatial Reference
Petroleum coke prices in China are in the 3rd tier (median) for the 60-day cycle, in the 3rd tier (median) for the 3-month cycle, and in the 4th tier (upper-median) for the 1-year cycle. There is still some room for short-term increases, but in the long term, prices are in the upper-median range, with limited potential for significant increases.
Five, Spot Market Dynamics
On September 17, 2026, Chinese refinery petroleum coke quotes were generally raised:
Huaxiang Petrochemical's petroleum coke quotation is 3730 CNY/ton, an increase of 30 CNY/ton from the previous trading day.
Asia Pacific Petrochemical petroleum coke quotation is 3770 CNY/ton, an increase of 20 CNY/ton from the previous trading day;
Henan Fengli Petrochemical's petcoke price is 3,350 CNY/ton, an increase of 20 CNY/ton from the previous trading day.
The petcoke price of Guangrao Zhenghe Petrochemical in China is 3750 CNY/ton, an increase of 100 CNY/ton from the previous trading day.
VI. References for Upstream and Downstream Impacts
Upstream: The current one-year cycle price of Brent crude oil is in the 5th tier (high level), and the cost side provides strong support for petroleum coke prices.
Downstream: The prices of downstream products of pet coke, such as glass, have been relatively strong recently, with some support from the demand side in China.
7. Trend Chart Display
Eight, Risk Warning
The above analysis is for reference only and does not constitute trading advice.