通达信公式源码概况：
指标类别：通达信公式
授权方式： 免费版
指标评级： ★★★★★
指标分类： 策略
画线方法： 副图
一、通达信expma最佳买点指标公式
A1:=(Dvol/C)/2,NODRAW;
A2:=SUM(IF(A1>100ANDCLOSE>REF(CLOSE,1),A1,0),0);
A3:=SUM(IF(A1>100ANDCLOSE<REF(CLOSE,1),A1,0),0);
A4:=SUM(IF(A1<100ANDCLOSE>REF(CLOSE,1),A1,0),0);
A5:=SUM(IF(A1<100ANDCLOSE<REF(CLOSE,1),A1,0),0);
A6:=A2+A3+A4+A5;
机买:(A2/A6)*100,LINETHICK2,COLORRED;
机卖:(A3/A6)*100,LINETHICK2,COLORGREEN;
散买:(A4/A6)*100,LINETHICK0;
散卖:(A5/A6)*100,LINETHICK0;
主力差:机买-机卖,LINETHICK2,NODRAW;
散户差:散买-散卖,LINETHICK0,NODRAW;
DRAWTEXT(主力差>0ANDREF(主力差,1)<=0,C*0.85,'●机构'),COLORRED;
DRAWTEXT(主力差<0ANDREF(主力差,1)>=0,-C*0.85,'○机构'),COLORWHITE;
DRAWTEXT(散户差>0ANDREF(散户差,1)<=0,C*0.15,'▲散户'),COLORCYAN;
DRAWTEXT(散户差<0ANDREF(散户差,1)>=0,-C*0.15,'△散户'),COLORWHITE;
M1:=12;
M2:=50;
VAR1:=C>REF(C,1)ANDC>REF(C,2);
VAR2:=REF(VAR1,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR3:=REF(VAR2,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR4:=REF(VAR3,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR5:=REF(VAR4,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR6:=REF(VAR5,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR7:=REF(VAR6,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR8:=REF(VAR7,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR9:=REF(VAR8,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VARA:=REF(VAR9,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VARB:=REF(VARA,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VARC:=REF(VARB,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VARD:=C<REF(C,1)ANDC<REF(C,2);
VARE:=REF(VARD,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VARF:=REF(VARE,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR10:=REF(VARF,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR11:=REF(VAR10,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR12:=REF(VAR11,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR13:=REF(VAR12,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR14:=REF(VAR13,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR15:=REF(VAR14,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR16:=REF(VAR15,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR17:=REF(VAR16,1)ANDC<=REF(C,1)ANDC>=REF(C,2);
VAR18:=REF(VAR17,1)ANDC>=REF(C,1)ANDC<=REF(C,2);
VAR19:=REF(VARDORVAREORVARFORVAR10ORVAR11ORVAR12ORVAR13OR
VAR14ORVAR15ORVAR16ORVAR17ORVAR18,1)ANDVAR1;
VAR1A:=REF(VAR1ORVAR2ORVAR3ORVAR4ORVAR5ORVAR6ORVAR7OR
VAR8ORVAR9ORVARAORVARBORVARC,1)ANDVARD;
BTSTS:=BArslAst(VAR19);
红:=VAR1ORVAR2ORVAR3ORVAR4ORVAR5ORVAR6ORVAR7OR
VAR8ORVAR9ORVARAORVARBORVARC;
STICKLINE(VAR1ORVAR2ORVAR3ORVAR4ORVAR5ORVAR6ORVAR7OR
VAR8ORVAR9ORVARAORVARBORVARC,C,REF(C,1),2,1)COLORRED;{红1}
STICKLINE(VARDORVAREORVARFORVAR10ORVAR11ORVAR12ORVAR13OR
VAR14ORVAR15ORVAR16ORVAR17ORVAR18,C,REF(C,1),2.1,0)COLORCYAN;{青色}
STICKLINE(VAR19,REF(C,1),REF(C,2),2.1,1),COLORYELLOW;{黄色}
STICKLINE(VAR1A,REF(C,1),REF(C,2),2.1,2)COLORCYAN;{青色}
STICKLINE(VAR19,REF(C,1),REF(C,2),2.1,0),COLORYELLOW;{黄色}
STICKLINE(VAR1A,REF(H,1),REF(C,2),2.1,0)COLORBLUE;{蓝色};
STICKLINE(VAR1ORVAR2ORVAR3ORVAR4ORVAR5ORVAR6ORVAR7OR
VAR8ORVAR9ORVARAORVARBORVARCAND
(C/REF(C,1)>1.0985ANDC=H),C,REF(C,1),1,0)COLORmaGENTA;{板红1};
N:=120;
K:=BARSLAST(CURRBARSCOUNT=N);
GD:=CONST(IF(ISLASTBAR=1,HHV(H,K),0));{高点}
DD:=CONST(IF(ISLASTBAR=1,LLV(L,K),0));{低点}
KJ:=GD-DD;
GD4:=IF(CURRBARSCOUNT<=N/2,GD,DRAWNULL);
高区:IF(CURRBARSCOUNT<=N,GD,DRAWNULL),COLORRED,LINETHICK2;
低区:IF(CURRBARSCOUNT<=N,DD,DRAWNULL),COLOR00FF00,LINETHICK2;
平衡:=IF(CURRBARSCOUNT<=N,DD+KJ/2,DRAWNULL),COLOR00FFFF,NODRAW;
低:IF(CURRBARSCOUNT<=N/2,DD,DRAWNULL),COLORFFFF00;
高:IF(CURRBARSCOUNT<=N/2,GD,DRAWNULL),COLOR00FFFF;
支撑:IF(CURRBARSCOUNT<=N/2,DD+KJ*0.191,DRAWNULL),COLOR00FFFF;
强势:IF(CURRBARSCOUNT<=N/2,DD+KJ*0.382,DRAWNULL),COLORFF00FF;
突破:IF(CURRBARSCOUNT<=N/2,DD+KJ/2,DRAWNULL),COLOR0000FF;
警示:IF(CURRBARSCOUNT<=N/2,DD+KJ*0.618,DRAWNULL),COLOR00FFFF;
压力:IF(CURRBARSCOUNT<=N/2,DD+KJ*0.809,DRAWNULL),COLOR00FF00;
低涨:IF(CURRBARSCOUNT<=N/2,(C/LLV(LOW,K)-1)*100,DRAWNULL),COLOR0000FF,NODRAW;
天数:BARSLAST(L=DD),COLORCYAN,NODRAW;
顶点:IF(CURRBARSCOUNT<=N/2,CONST(IF(ISLASTBAR=1,HHV(H,BARSLAST
(CURRBARSCOUNT=60)),1)),DRAWNULL),COLORRED,crOSSDOT;
低点:IF(CURRBARSCOUNT<=N/2,CONST(IF(ISLASTBAR=1,LLV(L,BARSLAST
(CURRBARSCOUNT=60)),1)),DRAWNULL),COLORMAGENTA,CROSSDOT;
STICKLINE(cci>=200ANDH>=顶点,O,C,2,0),COLORBLUE;
STICKLINE(CCI<=100ANDL<=低点,O,C,2,0),COLORYELLOW;
STICKLINE(CURRBARSCOUNT=N,GD,DD,0,0),COLORGREEN;
STICKLINE(CURRBARSCOUNT=N/2,GD,DD,0,0),COLOR408080;
STICKLINE(CURRBARSCOUNT=1,GD,DD,0,0),COLORGREEN;
STICKLINE(CURRBARSCOUNT<=N/2,支撑,支撑,2,0),COLORFF00FF;
STICKLINE(CURRBARSCOUNT<=N/2,强势,强势,2,0),COLORFF00FF;
STICKLINE(CURRBARSCOUNT<=N/2,突破,突破,2,0),COLORABABAB;
STICKLINE(CURRBARSCOUNT<=N/2,警示,警示,2,0),COLOR00FFFF;
STICKLINE(CURRBARSCOUNT<=N/2,压力,压力,2,0),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=10,压力,'压力-0.809'),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=10,警示,'警示-0.618'),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=10,突破,'突破-0.500'),COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=10,强势,'强势-0.382'),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=10,支撑,'支撑-0.191'),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=N/4+5,GD-KJ*0.09,'【风险区】–高抛避险'),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=N/4+5,GD-KJ*0.3,'【警示区】–逢高减仓'),COLOR0000FF;
DRAWTEXT(CURRBARSCOUNT=N/4+5,GD-KJ*0.45,'【突破区】–主力拉升'),COLORFFFFFF;
DRAWTEXT(CURRBARSCOUNT=N/4+5,GD-KJ*0.55,'【拉升区】–强势畜锐'),COLORFFFF80;
DRAWTEXT(CURRBARSCOUNT=N/4+5,DD+KJ/3,'【关注区】–逢低买入'),COLOR00FFFF;
DRAWTEXT(CURRBARSCOUNT=N/4+5,DD+KJ/10,'【低吸区】–大胆买入'),COLOR00FF00;
DRAWTEXT(CURRBARSCOUNT=N/2+40,GD-KJ*0.25,'【拉升区】'),COLORRED;
DRAWTEXT(CURRBARSCOUNT=N/2+40,DD+KJ*0.25,'【持股区】'),COLORYELLOW;
第一防线:REFDATE(低,DATE),POINTDOT,COLORYELLOW,LINETHICK4;
第二防线:REFDATE(支撑,DATE),POINTDOT,COLORWHITE,LINETHICK4;
AHC1:=CLOSE*vol;
AHC22:=EMA((expma(AHC1,27)/EXPMA(VOL,27)+EXPMA(AHC1,54)/EXPMA(VOL,54)+EXPMA
(AHC1,108)/EXPMA(VOL,108)+EXPMA(AHC1,316)/EXPMA(VOL,316))/4,34);
上轨:=1.06*AHC22,COLOR40FF00,LINETHICK1;
下轨:=AHC22*0.94;
ZT:=REF(C,1)*1.1-C<0.01ANDH=C;
启爆:=CROSS(C,上轨)ORCROSS(C,下轨)ANDZT;
DRAWTEXT(启爆,L,'启爆'),COLORCYAN;
STICKLINE(启爆,C,O,3,1),COLORWHITE;
STICKLINE(启爆,C,O,1,0),COLORRED;
MA1:MA(CLOSE,12)LINETHICK2;
MA2:MA(CLOSE,50)LINETHICK2;
指标公式知识：
主力试盘四大经典方法
观察主力试盘手法，首先要通过之前的k线结构形态，发现主力在起涨前的试盘行为。主力拉升前试盘往往有以下四种方法。
长上影线试盘。
股价当天在盘中攻击时，以大单冲击为主，在短时间内迅速投入资金拉高股价，形成较长上影线。当上涨到一定幅度后，盘中撤出买盘资金，观察卖盘抛压状态，使得当天股价冲高回落。若放量突破试盘时的最高价位，则意味试盘结束，后市将开启拉升行情。
案例解析：
以汉缆股份为例，该股票盘中冲高回落，试盘之后连续洗盘调整，随后放量突破，并且站在前期上影线最高价上方，股价开启一路飙涨。
长下影线试盘。
主力在盘中故意向下砸盘至技术支撑位后，再将卖盘位置卖单撤出，以此观察买盘位置相关大户与散户投资者的买入单量变化，从而判断该股在市场中的关注度。也可迫使部分投资者因害怕亏损而恐慌性抛出低价筹码，达到再次吸筹的目的。向下试盘时，只要收回关键支撑位即为结束试盘。
案例解析：
以天桥起重为例，该股连续收出长下影线，主力明显加大吸筹力度，在吸筹完成后，主力开始放量拉升股价。
涨停试盘。
主力主要通过涨停板，观察盘中抛盘量与跟风资金量的对比情况，分析和判断筹码的稳定度。当天涨停之后，次日往往会展开震荡。涨停之后的第三天，股价展开下跌，或者横盘整理。
案例解析：
就像前期的同力水泥，股价启动前每次涨停后都会迅速回调，前前后后经历了四次涨停试盘，第五次涨停后才开始真正拉升。
打压挖坑试盘。
主力不断向下用大单砸盘，用意是测试下方买盘力量的强弱。可以使得部分短线投资者因害怕巨大亏损而抛出，主力趁机在较低价再次悄悄买入。打压挖坑试盘的过程中，成交量持续萎缩。当出现地量结构时，往往宣告试盘动作结束。
案例解析：
以南方航空为例，该股在回调至60日线附近之后猛烈打击，快速击穿60日线，但是在打压的过程中量能却是大幅萎缩的，随后快速收回60日线，明显的挖坑走势，挖坑结束后股价连续上涨。
每日通达信公式解答：
编写条件：
30日内从最高点到现在跌幅大于50%选股公式。
编写方法：
XG:(C/HHV(H,30)-1)*100<-50
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