October 20th report:
This daily report is based on the mean difference analysis system, combining the latest spot prices, upstream and downstream operations of the industry chain, and cyclical price percentiles as of October 19, 2026, to analyze the price trend of ammonium sulfate: The current price of ammonium sulfate is in a strong rebound oscillation phase with a bullish nature. In the short to medium term, the price is constrained by its position at a mid-high level, limiting the upside potential. In the long term, the 1-year cycle percentile is at a mid-low level, indicating some upward potential. On the upstream and downstream ends, the weakening price of sulfuric acid upstream is insufficient for cost support, while overall downstream demand remains stable, with no significant bullish drivers at present.
I. Data Description
The latest available data is up to October 19, 2026, and it is recommended to refer to real-time data.
II. Table of Finite Differences
| Mean Deviation Indicator | (2026.10.19) | (2026.10.18) | Direction of Change |
|---|---|---|---|
| 5-Day Mean Deviation (D5) | -2 | -6 | + |
| 10-Day Mean Deviation (D10) | -17.67 | -19 | + |
| 20-Day Mean Deviation (D20) | -25.16 | -22.83 | - |
III. Signal State Determination
When the three consecutive divided differences change in the sequence (+, +, -), the corresponding signal is: a strong rebound (bullish, indicating a reboundary move).
IV. Conclusions on Trend Directions
The current ammonium sulfate price trend in China is fluctuating.
Reason: The changes in the three differences from the previous day are not entirely consistent, meeting the criteria for an oscillating trend. Currently, it is in a strong rebound phase with a bullish nature.
Five, Position and Spatial Reference
60-day cycle price position: 4th level (moderately high), with limited upside potential in the medium to short term.
3-month cycle price positioning: Tier 4 (mid-to-high range); limited upside on a quarterly basis.
1 year cycle price position: 2nd tier (lower middle), with some room for upward movement on an annual basis.
VI. Trend Chart Display
VII. Industry Chain Reference
Upstream: Current sulfuric acid prices are at 60-day and three-month lows, with weak cost‑side support for ammonium sulfate.
Downstream: Covering potassium persulfate, rare earth mining, compound fertilizers, and other fields, the overall demand in China has been stable recently, with no significant signs of increase.
Eight, Risk Warning
The above analysis is for reference only and does not constitute trading advice.
