1. Supply and demand: when supply and demand are balanced, the price may be in a consolidation range; When supply exceeds demand, prices will fall; When supply is less than demand, prices will rise.

2. Policy: If national policies are liberalized, such as subsidies for agriculture, rural areas and farmers, futures prices will also rise.

3. season; A bad season will lead to a reduction in production, which will lead to an increase in futures prices.