今年這一波空頭市場,外資一直意志堅定的站在賣方:
拉長來看,外資長期站在那一邊,幾乎與大盤的波段趨勢同步。
解鈴還需繋鈴人,行情何時到底?還是要看外資何時回心轉意開始由空偏多。
一般大家在看外資動向時,看的都是外資買賣超,今天跟大家介紹一個不一樣的角度:看看外資買超的指標股家數,也就是不看買超金額,而是看買超家數。
這個自訂指標我稱之為「外資廣度指標」。
下面是我寫的腳本:
1array:lead[100](0); 2lead[1]=GetSymbolField("1102.tw","外資買賣超張數","D");//台泥 3lead[2]=GetSymbolField("2317.tw","外資買賣超張數","D");//鴻海 4lead[3]=GetSymbolField("1216.tw","外資買賣超張數","D");//統一 5lead[4]=GetSymbolField("1301.tw","外資買賣超張數","D");//台塑 6lead[5]=GetSymbolField("1304.tw","外資買賣超張數","D");//台聚 7lead[6]=GetSymbolField("1312.tw","外資買賣超張數","D");//國喬 8lead[7]=GetSymbolField("1326.tw","外資買賣超張數","D");//台化 9lead[8]=GetSymbolField("1455.tw","外資買賣超張數","D");//集盛 10lead[9]=GetSymbolField("1476.tw","外資買賣超張數","D");//儒鴻 11lead[10]=GetSymbolField("1477.tw","外資買賣超張數","D");//聚陽 12lead[11]=GetSymbolField("1513.tw","外資買賣超張數","D");//中興電 13lead[12]=GetSymbolField("1515.tw","外資買賣超張數","D");//力山 14lead[13]=GetSymbolField("1521.tw","外資買賣超張數","D");//大億 15lead[14]=GetSymbolField("1527.tw","外資買賣超張數","D");//鑽全 16lead[15]=GetSymbolField("1560.tw","外資買賣超張數","D");//中砂 17lead[16]=GetSymbolField("1565.tw","外資買賣超張數","D");//精華 18lead[17]=GetSymbolField("1582.tw","外資買賣超張數","D");//信錦 19lead[18]=GetSymbolField("1605.tw","外資買賣超張數","D");//華新 20lead[19]=GetSymbolField("1717.tw","外資買賣超張數","D");//長興 21lead[20]=GetSymbolField("1723.tw","外資買賣超張數","D");//中碳 22lead[21]=GetSymbolField("1726.tw","外資買賣超張數","D");//永記 23lead[22]=GetSymbolField("1736.tw","外資買賣超張數","D");//喬山 24lead[23]=GetSymbolField("1773.tw","外資買賣超張數","D");//勝一 25lead[24]=GetSymbolField("1795.tw","外資買賣超張數","D");//美時 26lead[25]=GetSymbolField("1907.tw","外資買賣超張數","D");//永豊餘 27lead[26]=GetSymbolField("2002.tw","外資買賣超張數","D");//中鋼 28lead[27]=GetSymbolField("2006.tw","外資買賣超張數","D");//東鋼 29lead[28]=GetSymbolField("2015.tw","外資買賣超張數","D");//豊興 30lead[29]=GetSymbolField("2029.tw","外資買賣超張數","D");//盛餘 31lead[30]=GetSymbolField("2027.tw","外資買賣超張數","D");//大成鋼 32lead[31]=GetSymbolField("2031.tw","外資買賣超張數","D");//新光鋼 33lead[32]=GetSymbolField("2049.tw","外資買賣超張數","D");//上銀 34lead[33]=GetSymbolField("2059.tw","外資買賣超張數","D");//川湖 35lead[34]=GetSymbolField("2103.tw","外資買賣超張數","D");//台橡 36lead[35]=GetSymbolField("2105.tw","外資買賣超張數","D");//正新 37lead[36]=GetSymbolField("2204.tw","外資買賣超張數","D");//中華車 38lead[37]=GetSymbolField("2207.tw","外資買賣超張數","D");//和泰車 39lead[38]=GetSymbolField("2231.tw","外資買賣超張數","D");//為升 40lead[39]=GetSymbolField("2233.tw","外資買賣超張數","D");//宇隆 41lead[40]=GetSymbolField("2301.tw","外資買賣超張數","D");//光寶 42lead[41]=GetSymbolField("2303.tw","外資買賣超張數","D");//聯電 43lead[42]=GetSymbolField("2308.tw","外資買賣超張數","D");//台達電 44lead[43]=GetSymbolField("2313.tw","外資買賣超張數","D");//華通 45lead[44]=GetSymbolField("2324.tw","外資買賣超張數","D");//仁寶 46lead[45]=GetSymbolField("2327.tw","外資買賣超張數","D");//國巨 47lead[46]=GetSymbolField("2330.tw","外資買賣超張數","D");//台積電 48lead[47]=GetSymbolField("2337.tw","外資買賣超張數","D");//旺宏 49lead[48]=GetSymbolField("2344.tw","外資買賣超張數","D");//華邦電 50lead[49]=GetSymbolField("2345.tw","外資買賣超張數","D");//智邦 51lead[50]=GetSymbolField("2347.tw","外資買賣超張數","D");//聯強 52lead[51]=GetSymbolField("2352.tw","外資買賣超張數","D");//佳世達 53lead[52]=GetSymbolField("2353.tw","外資買賣超張數","D");//宏碁 54lead[53]=GetSymbolField("2354.tw","外資買賣超張數","D");//鴻準 55lead[54]=GetSymbolField("2357.tw","外資買賣超張數","D");//華碩 56lead[55]=GetSymbolField("2368.tw","外資買賣超張數","D");//金像電 57lead[56]=GetSymbolField("2376.tw","外資買賣超張數","D");//技嘉 58lead[57]=GetSymbolField("2377.tw","外資買賣超張數","D");//微星 59lead[58]=GetSymbolField("2379.tw","外資買賣超張數","D");//瑞昱 60lead[59]=GetSymbolField("2382.tw","外資買賣超張數","D");//廣達 61lead[60]=GetSymbolField("2383.tw","外資買賣超張數","D");//台光電 62lead[61]=GetSymbolField("2385.tw","外資買賣超張數","D");//群光 63lead[62]=GetSymbolField("2393.tw","外資買賣超張數","D");//億光 64lead[63]=GetSymbolField("2395.tw","外資買賣超張數","D");//研華 65lead[64]=GetSymbolField("2408.tw","外資買賣超張數","D");//南亞科 66lead[65]=GetSymbolField("2409.tw","外資買賣超張數","D");//友達 67lead[66]=GetSymbolField("2439.tw","外資買賣超張數","D");//美律 68lead[67]=GetSymbolField("2449.tw","外資買賣超張數","D");//京元電 69lead[68]=GetSymbolField("2454.tw","外資買賣超張數","D");//聯發科 70lead[69]=GetSymbolField("2603.tw","外資買賣超張數","D");//長榮 71lead[70]=GetSymbolField("2606.tw","外資買賣超張數","D");//裕民 72lead[71]=GetSymbolField("2610.tw","外資買賣超張數","D");//華航 73lead[72]=GetSymbolField("2615.tw","外資買賣超張數","D");//萬海 74lead[73]=GetSymbolField("2707.tw","外資買賣超張數","D");//晶華 75lead[74]=GetSymbolField("2729.tw","外資買賣超張數","D");//瓦城 76lead[75]=GetSymbolField("2731.tw","外資買賣超張數","D");//雄獅 77lead[76]=GetSymbolField("2912.tw","外資買賣超張數","D");//統一超 78lead[77]=GetSymbolField("3008.tw","外資買賣超張數","D");//大立光 79lead[78]=GetSymbolField("3034.tw","外資買賣超張數","D");//聯詠 80lead[79]=GetSymbolField("3037.tw","外資買賣超張數","D");//欣興 81lead[80]=GetSymbolField("3042.tw","外資買賣超張數","D");//晶技 82lead[81]=GetSymbolField("3130.tw","外資買賣超張數","D");//104 83lead[82]=GetSymbolField("3231.tw","外資買賣超張數","D");//緯創 84lead[83]=GetSymbolField("3406.tw","外資買賣超張數","D");//玉晶光 85lead[84]=GetSymbolField("3481.tw","外資買賣超張數","D");//群創 86lead[85]=GetSymbolField("3576.tw","外資買賣超張數","D");//聯合再生 87lead[86]=GetSymbolField("3665.tw","外資買賣超張數","D");//貿聯 88lead[87]=GetSymbolField("3702.tw","外資買賣超張數","D");//大聯大 89lead[88]=GetSymbolField("3707.tw","外資買賣超張數","D");//漢磊 90lead[89]=GetSymbolField("3708.tw","外資買賣超張數","D");//上緯 91lead[90]=GetSymbolField("3711.tw","外資買賣超張數","D");//日月光 92lead[91]=GetSymbolField("3714.tw","外資買賣超張數","D");//富采 93lead[92]=GetSymbolField("4438.tw","外資買賣超張數","D");//廣越 94lead[93]=GetSymbolField("5434.tw","外資買賣超張數","D");//崇越 95lead[94]=GetSymbolField("6269.tw","外資買賣超張數","D");//台郡 96lead[95]=GetSymbolField("6285.tw","外資買賣超張數","D");//啟碁 97lead[96]=GetSymbolField("6505.tw","外資買賣超張數","D");//台塑化 98lead[97]=GetSymbolField("9910.tw","外資買賣超張數","D");//豊泰 99lead[98]=GetSymbolField("9921.tw","外資買賣超張數","D");//巨大 100lead[99]=GetSymbolField("8299.tw","外資買賣超張數","D");//群聯 101lead[100]=GetSymbolField("8086.tw","外資買賣超張數","D");//宏捷科 102variable:i(0),count(0); 103count=0; 104for i=1 to 100 begin 105if lead[i]>=lead[i][1] 106and lead[i]>=100 107//外資買超大於100張,且不比前一天少 108then 109count=count+1; 110end; 111plot1(average(count,15),"外資廣度指標");
根據這個腳本,畫出來的圖如下:
這是算出每天符合外資買超超過100張且買超張數不比前一天少的指標股家數,然後取15日移動平均。
這個數字如果突破25,通常後市仍有高點,如果超過30,就要小心高處不勝寒。
如果這個指標呈現上升趨勢,表示外資愈買愈多的股票數在增加,呈現下跌趨勢,則是外資縮手的情況愈來愈普遍。