MA5:=MA(CLOSE,8); MA10:=MA(CLOSE,89); 平多:sell(CROSS(MA10,MA5) and holding>0,holding,MARKET); 开空:BUYSHORT(CROSS(MA10,MA5) and holding=0,1,MARKET); 平空:SELLSHORT(CROSS(MA5,MA10) and holding<0,holding,MARKET); 开多:buy(CROSS(MA5,MA10) and holding=0,1,MARKET);