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這段代碼應該是股票分析中的一部分，主要用于計算股票資金流向情況和凈流買比。具體運作思路如下：

通過 L2_AMO 函數獲取股票的超大單、大單、中單、小單的成交金額（單位為萬元），并計算凈流入情況；
根據凈流入數據，計算出超大單、大單、中單、小單的占比；
統計近5日、近10日、近20日的凈流入情況，并計算凈流買比；
使用 DRAWRECTREL 函數將各項指標繪制成矩陣圖，更直觀地呈現出股票資金流向情況。
對于這些指標的分析和操作建議，需要根據具體的股票市場行情和個人投資策略綜合考慮。但是總體來說，可以從以下角度進行分析和操作：

資金流向趨勢分析：通過分析凈流入情況和不同單量的占比變化趨勢，判斷資金是否有明顯的流向或離開趨勢，進而選擇相應的投資策略；
觀察凈流買比：凈流買比越高，表明市場上多數投資者看漲股票；反之則看跌。可結合其他指標進行綜合分析；
綜合考慮多個指標：股市行情復雜多變，單一指標并不能全面反映市場情況。需要結合其他技術指標、基本面分析等進行綜合判斷，做出更精準的投資決策。
總之，需要認真分析各項指標，了解市場行情和投資標的的基本情況，制定相應的投資策略，規避風險，實現收益最大化。

超B:=L2_AMO(0,2)/10000.0;大B:=L2_AMO(1,2)/10000.0;中B:=L2_AMO(2,2)/10000.0;小B:=L2_AMO(3,2)/10000.0;超S:=L2_AMO(0,3)/10000.0;大S:=L2_AMO(1,3)/10000.0;中S:=L2_AMO(2,3)/10000.0;小S:=L2_AMO(3,3)/10000.0;TESTSKIP(NOT(超B OR 大B OR 中B OR 小B OR 超S OR 大S OR 中S OR 小S)!=0);凈流入:=(超B+大B+中B+小B)-(超S+大S+中S+小S);大宗凈流入:=(超B+大B)-(超S+大S);超大:=(超B)-(超S);大:=(大B)-(大S);中:=(中B)-(中S);小:=(小B)-(小S);總:=ABS(超大)+ABS(大)+ABS(中)+ABS(小);超大單:=((超B)-(超S))*1000/總;大單:=((大B)-(大S))*1000/總;中單:=((中B)-(中S))*1000/總;小單:=((小B)-(小S))*1000/總;DAZHI:=CONST(MAX(ABS(凈流入),MAX(ABS(超大單),MAX(ABS(大單),MAX(ABS(中單),ABS(小單)))))),NODRAW;近5凈入:=REF(凈流入,1);近5超:=REF(超大單,1);近5大:=REF(大單,1);近5中:=REF(中單,1),;近5小:=REF(小單,1);近10凈入:=REF(凈流入,2);近10超:=REF(超大單,2);近10大:=REF(大單,2);近10中:=REF(中單,2),;近10小:=REF(小單,2);近20凈入:=REF(凈流入,3);近20超:=REF(超大單,3);近20大:=REF(大單,3);近20中:=REF(中單,3);近20小:=REF(小單,3);流入:=ABS(超B+大B+中B+小B)*1000/VOL;流出:=ABS(超S+大S+中S+小S)*1000/VOL;近5流入:=ABS(REF(超B,1)+REF(大B,1)+REF(中B,1)+REF(小B,1))*1000/VOL;近5流出:=ABS(REF(超S,1)+REF(大S,1)+REF(中S,1)+REF(小S,1))*1000/VOL;近10流入:=ABS(REF(超B,2)+REF(大B,2)+REF(中B,5)+REF(小B,2))*1000/VOL;近10流出:=ABS(REF(超S,2)+REF(大S,2)+REF(中S,5)+REF(小S,2))*1000/VOL;近20流入:=ABS(REF(超B,3)+REF(大B,3)+REF(中B,3)+REF(小B,3))*1000/VOL;近20流出:=ABS(REF(超S,3)+REF(大S,3)+REF(中S,3)+REF(小S,3))*1000/VOL;凈流買比:=流入*100/(流入+流出);凈流買比5:=近5流入*100/(近5流入+近5流出);凈流買比10:=近10流入*100/(近10流入+近10流出);凈流買比20:=近20流入*100/(近20流入+近20流出);AAS:=CONST(MAX(ABS(流入),ABS(流出)))*4,NODRAW;{ 當日 }DRAWRECTREL(0,0,243,999.2,IF(120,RGB(10,0,0),0));{DRAWTEXT_FIX(CURRBARSCOUNT=1,0.0,0.001,0,'單位（萬元）'),COLORDDDDDD;}DRAWRECTREL(10,ABS(CONST(880-(ABS(凈流入)*50/DAZHI))),25,880,IF(CONST(凈流入)>0,RGB(170,0,170),RGB(0,155,0)));DRAWRECTREL(48,ABS(CONST(880-(ABS(超大單)))),80,880,IF(CONST(超大單)>0,RGB(240,130,140),RGB(23,125,255)));DRAWRECTREL(96,ABS(CONST(880-(ABS(大單)))),128,880,IF(CONST(大單)>0,RGB(255,0,0),RGB(23,125,255)));DRAWRECTREL(144,ABS(CONST(880-(ABS(中單)))),176,880,IF(CONST(中單)>0,RGB(255,0,0),RGB(23,125,255)));DRAWRECTREL(192,ABS(CONST(880-(ABS(小單)))),224,880,IF(CONST(小單)>0,RGB(255,0,0),RGB(23,125,255)));DRAWRECTREL(30,205,190,145,RGB(0,140,0));DRAWRECTREL(30,195,190,155,RGB(0,160,0));DRAWRECTREL(30,185,190,165,RGB(0,180,0));DRAWRECTREL(30,175,190,175,RGB(0,210,0));DRAWRECTREL(30,205,30+CONST(凈流買比*160/100),145,RGB(140,0,0));DRAWRECTREL(30,195,30+CONST(凈流買比*160/100),155,RGB(160,0,0));DRAWRECTREL(30,185,30+CONST(凈流買比*160/100),165,RGB(180,0,0));DRAWRECTREL(30,175,30+CONST(凈流買比*160/100),175,RGB(210,0,0));DRAWTEXT_FIX(1,0.05,0.01,0,STRCAT(STRCAT('凈流買比',CON2STR(凈流買比,2)),'％')),COLORYELLOW;DRAWRECTREL(110,205,110,145,RGB(250,250,0));DRAWTEXT_FIX(CURRBARSCOUNT=1,0.2,0.001,0,'當日'),COLORFFFFFF;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.005,1,0,'凈流'),COLORFFFFFF;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.050,1,0,'超大'),COLOR00FFFF;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.095,1,0,'大單'),COLORRED;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.145,1,0,'中單'),COLORRED;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.192,1,0,'小單'),COLORGREEN;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.005,0.5,0,CEILING(凈流入)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.048,0.55,0,CEILING(超大單)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.096,0.63,0,CEILING(大單)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.148,0.55,0,CEILING(中單)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.192,0.47,0,CEILING(小單)),COLORYELLOW;{5日 }DRAWRECTREL(243,0,505,999.2,IF(120,RGB(10,0,0),0));DRAWRECTREL(260,ABS(CONST(880-(ABS(近5凈入)*25/DAZHI))),275,880,IF(CONST(近5凈入)>0,RGB(180,0,180),RGB(000,155,000)));DRAWRECTREL(301,ABS(CONST(880-(ABS(近5超)))),333,880,IF(CONST(近5超)>0,RGB(240,130,140),RGB(23,125,255)));DRAWRECTREL(349,ABS(CONST(880-(ABS(近5大)))),381,880,IF(CONST(近5大)>0,RGB(255,0,0),RGB(23,125,255)));DRAWRECTREL(397,ABS(CONST(880-(ABS(近5中)))),429,880,IF(CONST(近5中)>0,RGB(255,0,0),RGB(23,125,255)));DRAWRECTREL(445,ABS(CONST(880-(ABS(近5小)))),477,880,IF(CONST(近5小)>0,RGB(255,0,0),RGB(23,125,255)));DRAWRECTREL(280,205,440,145,RGB(0,155,0));DRAWRECTREL(280,205,280+CONST(凈流買比5*160/100),145,RGB(160,0,0));DRAWTEXT_FIX(1,0.3,0.01,0,STRCAT(STRCAT('凈流買比',CON2STR(凈流買比5,2)),'％')),COLORYELLOW;DRAWRECTREL(360,205,360,145,RGB(250,250,0));DRAWTEXT_FIX(CURRBARSCOUNT=1,0.460,0.001,0,'前1日'),COLORFFFFFF;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.260,1,0,'凈流'),COLORFFFFFF;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.305,1,0,'超大'),COLOR00FFFF;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.353,1,0,'大單'),COLORRED;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.400,1,0,'中單'),COLORRED;DRAWTEXT_FIX(CURRBARSCOUNT=1,0.447,1,0,'小單'),COLORGREEN;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.260,0.5,0,CEILING(近5凈入)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.301,0.55,0,CEILING(近5超)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.349,0.630,0,CEILING(近5大)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.397,0.550,0,CEILING(近5中)),COLORYELLOW;DRAWNUMBER_FIX(CURRBARSCOUNT=1,0.445,0.470,0,CEILING(近5小)),COLORYELLOW;{ 10 }DRAWRECTREL(500,0,750,999.3,IF(120,RGB(10,0,0),0));DRAWTEXT_FIX(CURRBARSCOUNT=1,0.70,0.001,0,'前2日'),COLORFFFFFF;DRAWRECTREL(520,ABS(CONST(880-(ABS(近10凈入)*25/DAZHI))),535,880,IF(CONST(近10凈入)>0,RGB(180,0,180),RGB(000,155,000)));DRAWRECTREL(565,ABS(CONST(880-(ABS(近10超)))),595,880,IF(CONST(近10超)>0,RGB(240,130,140),RGB(23,125,255)));DRAWRECTREL(613,ABS(CONST(880-(ABS(近10大)))),645,880,IF(CONST(近10大)>0,RGB(255,0,0),RGB(23,125,255)));DRAWRECTREL(661,ABS(CONST(880-(ABS(近10中)))),693,880,IF(CONST(近10中)>0,RGB(255,0,0),RGB(23,125,255)));

公式導入教程: 【通達信公式源碼導入方法教程】 【同花順公式源碼導入方法教程】 【大智慧新一代公式源碼導入方法教程】

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