通达信支撑压力位止盈止损一目了然公式源码
指标为主图“支撑压力位”工具。默认取20周期最高、最低、收盘计算枢轴中轴 PIVOT，并生成上方 R1—R4 压力位、下方 S1—S4 支撑位。最新K线左侧显示各价位，红黄绿青线标出对应位置。
用法：
PIVOT 为多空分水，价格在上偏多，在下偏空。
上涨看 R1—R4，遇阻回落为压力，突破后可变支撑。
下跌看 S1—S4，止跌为支撑，跌破后可变压力。
越远的 R/S 通常越强。可辅助判断买卖、止盈止损，但不是买卖信号，需结合趋势和量能。N 可调，周期越大越稳定。
{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;
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