On October 21, Changan Futures issued a morning review of crude oil, thinking that crude oil may show a more volatile trend, and it is suggested that it should be based on a neutral short gap, which can be kept on the sidelines and should not be excessive in pursuit of rising and falling.

The authorized text of Changan Futures Company is forwarded by "focus on Futures account opening and Professional Market Analysis Information website": [1 Futures]