BIAS1大于20的选股公式

是这样的 我把BIAS 指标 给改了 求助老师给编写一个BIAS1大于20的选股公式

BIAS1 : (CLOSE-MA(CLOSE,84))/MA(CLOSE,84)*100;
BIAS2 : (CLOSE-MA(CLOSE,84))/MA(CLOSE,84)*100;
BIAS3 : (CLOSE-MA(CLOSE,84))/MA(CLOSE,84)*100;
20;

 

BIAS1:=(CLOSE-MA(CLOSE,84))/MA(CLOSE,84)*100;
BIAS1>20;