crypto exchange definition, Overview

Being short is simply done.I think it is understandable that if the current a50 is greatly shorted,

I think it is understandable that if the current a50 is greatly shorted,A decline before September is a decline.I think it is understandable that if the current a50 is greatly shorted,

Is the current fall called a fall?A50 fell by more than one point, and A shares should not follow three points?Is the current fall called a fall?