抛物转向指标，也叫SAR指标 SAR指标的买卖点很明确，运用简单：
1、股价曲线在SAR曲线之上时，为多头市场，即红圆圈出现。
2、股价曲线在SAR曲线之下时，为空头市场，即绿圆圈出现。
3、股价曲线由上往下跌破SAR曲线时，为停损卖出讯号。
4、股价曲线由下往上穿破SAR曲线时，为买进讯号。
VAR1:=SAR(10,2,20);
S:IF(VAR1>C,VAR1,DRAWNULL),colorgreen,CIRCLEDOT;
X:IF(VAR1<C,VAR1,DRAWNULL),colorred,CIRCLEDOT;
B1:=REF(C,1);B2:=REF(C,2);
SS:=IF(C>REF(C,1) AND REF(C,1)>=REF(C,2),1,IF(C<REF(C,1) AND REF(C,1)<=REF(C,2),-1,IF(C>REF(C,2) AND REF(C,2)>REF(C,1),2,IF(C<REF(C,2) AND REF(C,2)<REF(C,1),-2,0))));
SM:=IF(REF(SS,1)>0 OR REF(SS,1)<0,REF(SS,1),IF(REF(SS,2)>0 OR REF(SS,2)<0,REF(SS,2),IF(REF(SS,3)>0 OR REF(SS,3)<0,REF(SS,3),IF(REF(SS,4)>0 OR REF(SS,4)<0,REF(SS,4),IF(REF(SS,5)>0 OR REF(SS,5)<0,REF(SS,5),IF(REF(SS,6)>0 OR REF(SS,6)<0,REF(SS,6),IF(REF(SS,7)>0 OR REF(SS,7)<0,REF(SS,7),0)))))));
MC:IF(REF(SS,1)>0 OR REF(SS,1)<0,B2,IF(SM>0,MIN(B1,B2),MAX(B1,B2))),COLORFF00FF;
STICKLINE(SS=1 OR SM>=1 AND SS=0,B1,C,0.8,1),colorred;
STICKLINE(SS=-1 OR SM<=-1 AND SS=0,B1,C,0.8,0),COLORFF9000;
STICKLINE(SS=2,B2,C,0.8,1),colorred;
STICKLINE(SS=-2,B2,C,0.8,0),COLORFF9000;
STICKLINE((SS=-1 OR SS=-2) AND SM>0,B2,B1,0.8,1),colorred;
STICKLINE((SS=1 OR SS=2) AND SM<0,B2,B1,0.8,0),COLORFF9000;
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