波段指标，适用广泛，用了十年了，成功率非常高
VAR1:=(2*CLOSE+HIGH+LOW+OPEN)/5;
VAR2:=LLV(LOW,34);
VAR3:=HHV(HIGH,34);
SK: EMA((VAR1-VAR2)/(VAR3-VAR2)*100,13);
SD: EMA(SK,3);
高抛: 80, POINTDOT;
低吸: 20, POINTDOT;
VAR4:=IF(CROSS(SK,SD) AND SK<23,40,22);
VAR5:=IF(CROSS(SD,SK) AND SD>80,60,78);
买进: VAR4;
卖出: VAR5;
强弱分界: 50, POINTDOT;
