The stock index is as follows. ....

VAR 1 assignment: (2* closing price+highest price+lowest price) /4

var 2:= EXPMA（EXPMA（EXPMA（var 1，4），4）；

VAR2 assignment: 4-day exponential moving average of VAR65438+0-4-day exponential moving average.

j:（var 2-REF（var 2， 1）/REF（var 2， 1）* 100，COLORSTICK

Output j: (var 2-var 2 yesterday)/var 2 yesterday *100, color bar.

D: ma (j, 3);

3-day simple moving average of output D: J

K: Ma (j,1);

Output 1 day simple moving average K: J