N:=5; UP:=SMA(IF(CLOSE>REF(CLOSE,1), CLOSE-REF(CLOSE,1),0),N,1); DN:=SMA(IF (CLOSE<=REF(CLOSE,1),ABS(CLOSE-REF(CLOSE,1)),0),N,1); 指标:=100*UP/(UP+DN); 强弱指标:MA(指标,3); 平均强弱:MA(强弱指标,3); 安全:20,COLORGREEN; 风险:80,COLORRED; 平衡:50;