大单倍量主图指标主要功能是计算股票涨停价、MACD等技术指标，并标记游资大单和倍量信号。操作策略上，当出现游资大单信号时，可能预示短期强势；倍量信号则提示成交量显著放大。同时，源码绘制了均价线、支撑线等辅助判断趋势。
{主图源码如下}
涨停价格:=IF(NAMELIKE('ST') OR NAMELIKE('*ST') OR NAMELIKE('SST')OR NAMELIKE('S*ST') OR NAMELIKE('S ST') ,C*1.05,IF((CODELIKE('688') OR (CODELIKE('300') AND DATE>=1200824)),C*1.2,C*1.1));
DRAWTEXT_FIX(1,0.85,0.03,0,STRCAT('次日涨停价：',CON2STR(涨停价格,2))),COLORYELLOW;
DRAWTEXT_FIX(1,0.02,0,0,'所属行业：')COLOR0080FF;
DRAWTEXT_FIX(1,0.10,0,0,HYBLOCK)COLOR0080FF;
差离值:=EMA(CLOSE,9)-EMA(CLOSE,26);
信号线:=EMA(差离值,12);
MACD柱:=(差离值-信号线)*2;
五日均:MA(C,5);
十日均:MA(C,10);
廿日均:MA(C,20);
六十均:MA(C,60);
涨停板价:=IF(CODELIKE('68') OR CODELIKE('30'),ZTPRICE(REF(C,1),0.2),IF(CODELIKE('8'),ZTPRICE(REF(C,1),0.3),IF((NAMELIKE('ST') OR NAMELIKE('*')),ZTPRICE(REF(C,1),0.05),ZTPRICE(REF(C,1),0.1))));
交易天数:=BARSCOUNT(CLOSE)>=10;
均价线:=EMA((3*CLOSE+HIGH+LOW+OPEN)/6,20),COLORBLUE,LINETHICK2;
五高值:=HHV(均价线,5),LINETHICK2,COLORGREEN;
支撑线:=均价线-(五高值-均价线),LINETHICK2,COLORRED;
支撑条件:=五高值=支撑线 AND REF(五高值,1)>REF(支撑线,1);
游资信号:=FILTER(五高值=支撑线 AND BARSLAST(支撑条件) <=4 AND 交易天数 AND C>=O AND V>=REF(V,1)*2 AND C/REF(C,1)>1.03 ,5);
STICKLINE(游资信号,O,C,2.2,0),COLORMAGENTA ;
倍量条件:=V>=REF(V,1)*2 AND C>=O;
STICKLINE(倍量条件 AND NOT(游资信号),O,C,2.2,0),COLORYELLOW;
DRAWTEXT(倍量条件 AND NOT(游资信号),L*1,' ★当日倍量'),COLORYELLOW;
DRAWICON(倍量条件 AND NOT(游资信号),L,5);
DRAWICON(游资信号,L,9);
DRAWTEXT((游资信号),L*1,' ★游资大单'),COLORMAGENTA;
{副图源码如下}
交易天数:=BARSCOUNT(CLOSE)>=10;
均价计算:=EMA((3*CLOSE+HIGH+LOW+OPEN)/6,20);
五日高点:=HHV(均价计算,5);
支撑价位:=均价计算-(五日高点-均价计算);
支撑条件:=五日高点=支撑价位 AND REF(五日高点,1)>REF(支撑价位,1);
主力信号:=FILTER(五日高点=支撑价位 AND BARSLAST(支撑条件) <=4 AND 交易天数 AND C>=O AND V>=REF(V,1)*2 AND C/REF(C,1)>1.03 ,5);
倍量条件:=V>=REF(V,1)*2 AND C>=O;
当日倍量:倍量条件 AND NOT(主力信号);
