[請益] 股票系統相關資料補充
大家好:也許在此請問各位先進有些唐突,但CFP
畢竟是金融業專業指標,且見多識廣,比起以散戶
為主的stock版應能提供更專業的建議,不論批評
與指正,總更能看見自己的思考盲點,今補上部份
研究資料,希能得到前輩們最真實的指教.
1999-2009為模擬資料,2010-2017為實際結果
1.各年度投資組合與大盤報酬率比較:
http://i.imgur.com/iSf29XK.jpg

研究成果除2001、2003兩年狂輸大盤,其餘18年皆跑贏大盤,且2010-2017皆跑贏大盤
2.各年度投資組合與波克夏淨值比較
http://i.imgur.com/WKGjG9q.jpg

除了2000、2003,2011、2015狂輸波克夏外,其
餘年份皆不遜於波克夏,可見股神在經濟危機年較
具抗跌性
3.以買進日期計算每筆投資報酬率與投資總損益
http://i.imgur.com/GG13Pqf.jpg

此部份是我比較相信的指標,因系統風險隨時出
現,故每年損益除了與大盤比較外,絕對績效並無
意義,以買進年度計算每筆績效若能保證有超額利
潤有助於持股信心,有利於長期投資。
由表中可知在股市泡沫發生的前一年 2000,2007,2014三年皆無買進任何股票,而在大
盤起
漲年2001、2004與2008年開始大量持股,此部份
表示系統會因持股的增減自動做到資金控管。
4.持股帳號未實現損益
http://i.imgur.com/8tekFaX.jpg





此部份比起各位先進當然遜色很多,我比較有信心
得是,我的持股分散,對單ㄧ各股持股比率控制在
3趴以下,如此持股有(1)不用繳補充保費(2)
買賣時較不影響股價,可降低摩差成本。(3)可
降低單一地雷股所造成的損失 (4)可提高投資規
模,就算操作資金高達2億元,對實際績效影響不
大 等優點 當然此部份完全借助程式篩選與管理,
每天所花時間約僅10分鐘,其缺點是無法如巴菲特
持股集中所產生的優異報酬率,然而因個人白天需
上班等因素,實無太多時間對個股做深入分析。
以上 如有考慮不周之處 請指教,或請問如此之績
效在市場上是否具有競爭力,其理由何在?有否相
關產品可供參考?因關係生涯規劃,請不吝賜教
。
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