With the Fed Reserve take action of lower the interest rate and provide money to small business, DJIA recover its collapse and get a new all time high of 29963.34. VIX index reach a high point 85.5 in March 18,2020 and a low point 20.3 in August 11, 2020 and the majority time of this year VIX keeps higher than 20.3 until now. Recently, we can easily notice...