September 21st, according to news,
According to the Spotcom AI assistant, today's spot petcoke in China continues to show a strong operating trend. The average difference analysis system indicates that the current petcoke price is in a clear upward trend. The short-term price has reached a high point in the nearly 3-month cycle, and the further upward space is relatively limited. The fluctuations in upstream crude oil prices, as well as changes in demand from downstream sectors such as calcined coke, glass, and graphite electrodes, will be the core factors influencing the subsequent price trend.
The latest available petroleum coke related data in China is up to September 20, 2026. It is recommended to refer to real-time data.
1. Average Difference Change Table
| Mean Difference Indicator | Today’s Value (2026.09.20) | Yesterday’s Value (2026.09.19) | Direction of Change |
|---|---|---|---|
| 5-Day Mean Difference (D5) | 77.00 | 36.00 | + |
| 10-Day Mean Difference (D10) | 51.75 | 43.75 | + |
| 20-Day Mean Difference (D20) | 35.04 | 25.45 | + |
2. Signal Status Determination
The current signal is: a clear bullish signal.
3. Trend Direction Conclusion
The trend is clearly upward, reason: the 5-day, 10-day, and 20-day average differences compared to the previous day are completely consistent in direction, and all three types of average differences are positive, meeting the criteria for a clear upward trend according to the average difference method. On the spot side, on September 20, multiple refining companies in China generally raised their petroleum coke quotations, with Guangrao Zhenghe Petrochemical increasing by 110 CNY/ton and Wudi Xinyue increasing by 120 CNY/ton. The strong spot trading further validates the upward trend.
4. Position Space Reference
Petroleum coke prices are in the 5th tier: for the 60-day cycle, it is in the 5th tier (high); for the 3-month cycle, it is in the 5th tier (high); and for the 1-year cycle, it is in the 4th tier (mid-high). In the short term, the price is already in the high range of the past 3 months, with limited room for further increases. In the medium to long term, it is in the mid-high range of the 1-year cycle, and if downstream demand continues to improve, there is still some potential for upward movement.
5. Trend chart display
6. Upstream and Downstream References
Upstream: On September 20, the one-day average price of Brent crude was $103.87 per barrel, near a one-year high, providing strong cost‑side support for petroleum coke prices.
Downstream: The daily average price of glass on September 20 was 12.60 yuan per square meter, at a 60-day cycle high, providing some support to the price of petcoke; anhydrous aluminum chloride is at a 60-day cycle low, with weaker demand-driven effects.
7. Risk Warning
The above analysis is for reference only and does not constitute trading advice.