炒股不能完全靠指标，但没有指标辅助是万万不可得，这个指标让你知道这只股票的支撑压力位在哪里，什么时候应该止盈、什么时候应该止损，一目了然。
{支撑压力位}
N:=20;
HH:=HHV(H,N);
LL:=LLV(L,N);
PIVOT:=(HH+LL+C)/3;
R1:=2*PIVOT-LL;
S1:=2*PIVOT-HH;
R2:=PIVOT+(HH-LL);
S2:=PIVOT-(HH-LL);
R3:=HH+2*(PIVOT-LL);
S3:=LL-2*(HH-PIVOT);
R4:=R3+(HH-LL);
S4:=S3-(HH-LL);
DRAWKLINE(H,O,L,C);
DRAWTEXT_FIX(1,0.02,0.02,0,'支撑压力位'),COLORWHITE;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.02,0,'R4:'),COLORRED;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.02,0,R4),COLORRED;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.06,0,'R3:'),COLORRED;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.06,0,R3),COLORRED;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.10,0,'R2:'),COLORYELLOW;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.10,0,R2),COLORYELLOW;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.14,0,'R1:'),COLORYELLOW;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.14,0,R1),COLORYELLOW;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.18,0,'PIVOT:'),COLORWHITE;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.18,0,PIVOT),COLORWHITE;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.22,0,'S1:'),COLORGREEN;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.22,0,S1),COLORGREEN;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.26,0,'S2:'),COLORGREEN;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.26,0,S2),COLORGREEN;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.30,0,'S3:'),COLORCYAN;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.30,0,S3),COLORCYAN;
DRAWTEXT_FIX(CURRBARSCOUNT=1,0.15,0.34,0,'S4:'),COLORCYAN;
DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.18,0.34,0,S4),COLORCYAN;
STICKLINE(CURRBARSCOUNT=1,R4,R4,50,0),COLORRED;
STICKLINE(CURRBARSCOUNT=1,R3,R3,50,0),COLORRED;
STICKLINE(CURRBARSCOUNT=1,R2,R2,50,0),COLORYELLOW;
STICKLINE(CURRBARSCOUNT=1,R1,R1,50,0),COLORYELLOW;
STICKLINE(CURRBARSCOUNT=1,PIVOT,PIVOT,50,0),COLORWHITE;
STICKLINE(CURRBARSCOUNT=1,S1,S1,50,0),COLORGREEN;
STICKLINE(CURRBARSCOUNT=1,S2,S2,50,0),COLORGREEN;
STICKLINE(CURRBARSCOUNT=1,S3,S3,50,0),COLORCYAN;
STICKLINE(CURRBARSCOUNT=1,S4,S4,50,0),COLORCYAN;
