August 18 news
According to the Spotcom AI assistant, on August 17, 2026, the spot market prices for petroleum coke showed a mixed trend of increases and decreases. Companies such as Yatong Petrochemical and Huaxiang Petrochemical raised their quotes, while Qirun Petrochemical and Zibo Xintai Petrochemical lowered theirs. Based on the analysis of the average difference indicator, the current market is in a fluctuating pattern, sending out a resistance-to-fall warning signal. The prices are at a medium-high level within a 1-year cycle, with limited short-term upward potential but with some support against falling.
I. Table of Mean Difference Changes
| Average Difference Type | Today's Value (2026-08-17) | Yesterday's Value (2026-08-16) | Direction of Change |
|---|---|---|---|
| 5-Day Average Difference (D5) | 0 | 3.5 | - |
| 10-Day Average Difference (D10) | 2.5 | -2.5 | + |
| 20-Day Average Difference (D20) | 35.06 | 44.25 | - |
II. Signal Status Determination
The current combination of mean difference change signs is (-, +, -), corresponding to an anti-dip warning (bullish) signal.
III. Conclusion on Trend Direction
The price trend is oscillating, reason: the change directions of the three moving average differences (5-day, 10-day, 20-day) are not entirely consistent with the previous day, meeting the criteria for an oscillating market. Additionally, the current market shows characteristics of resistance to decline, indicating a certain level of support in the Chinese market.
IV. Positional Spatial Reference
Petroleum coke prices in China are at a mid-high level (4th tier) for a 1-year cycle, and at a high level (5th tier) for 60-day and 3-month cycles. The short-term upside is limited, but the mid-high level provides some resistance to price decreases, making the downward extent relatively controllable.
5. Trend Chart Display
Six, Market Quotation Dynamics
2026-08-17, Yatong Petrochemical's petroleum coke price was 3,630 CNY/ton, an increase of 30 CNY/ton from the previous trading day; Huaxiang Petrochemical's price was 3,430 CNY/ton, an increase of 60 CNY/ton; Henan Fengli Petrochemical's price was 2,000 CNY/ton, an increase of 80 CNY/ton; Guangrao Zhenghe Petrochemical's price was 3,020 CNY/ton, an increase of 90 CNY/ton.
On August 17, 2026, Qirun Petrochemical's petroleum coke price was 1923 CNY/ton, a decrease of 130 CNY/ton from the previous trading day; Zibo Xintai Petrochemical's price was 3005 CNY/ton, a decrease of 350 CNY/ton.
Risk Warning
The above analysis is for reference only and does not constitute trading advice.
