0050台積電權重過高的問題 - 股票

By Caroline
at 2019-08-01T20:28
at 2019-08-01T20:28
Table of Contents
※ 引述《Capufish (Capufish)》之銘言:
: 預計在0050跟0056中挑一個當定存股
: 但0050有一個風險就是,台積電目前佔33~34%左右
: 看到網路一篇分析(有廣告嫌疑就不PO了)
: 簡單來說就是以2018年回推四年,四年來
: 0050 投報率32.8%
: 0056 投報率27.5%
: 台積電 投報率98%
: 而台積電佔台灣50成份高達34%
: 略算一下台灣50因為台積電漲了98%影響的漲幅是多少
: 把 98%*34%=33.32%,算33%好了。
: 台灣50四年來漲幅32.8%
: 所以把32.8%扣掉33%,32.8%-33%=-0.2%
: 結論是台灣50這四年來全部漲幅,都是來自台積電一檔股票的漲幅
: 如果沒有台積電,台灣50四年來漲幅為0
: ---
: 文章的概略大概是上面這樣,就是說0050投報率會高,是因為台積電高
: 如果台積電不再發威,0050還能有那麼好的投報率嗎?
: 我相信台積電很強,但要一直成長上去空間應該有限
: 從這點來看,0056的穩定性應該比0050高吧?
: 雖然說是策略性指數,但也經過十年以上的考驗了
: 特別在2018年,0050大虧的時候,0056還反賺
: 相信台積電 → 0050
: 不信台積電 → 0056
: 這樣的推論有錯嗎?謝謝大家
手機排版請見諒
剛剛查了一些資料
https://i.imgur.com/QwXRfym.jpg
https://i.imgur.com/QIIif3D.jpg
由上兩張圖得知,四年間,0050中台積電的比重由23%增加至34%,而0050總市值四年漲32
%
我們先把台灣50拆開看,變成台積電+台灣49,然後開始以下討論:
假設我們在2015Q2買入價值一百萬的0050(內容物有23萬的台積電跟77萬的台灣49),到
今天總價值會變成132萬(符合原po說的32%四年報酬率),這132萬裡面包含46萬的台積電
(台積電四年報酬98%)跟86萬的台灣49
至此我們可以很輕鬆得出並比較:
台積電四年間績效98%
台灣49四年間績效11%
合起來就是各位所看到台灣50這四年間的表現 +32%
策略什麼的先不談,只希望拋磚引玉,如果各位有其他看法也歡迎提出,或是認為有錯也
歡迎指正,謝謝各位
--
: 預計在0050跟0056中挑一個當定存股
: 但0050有一個風險就是,台積電目前佔33~34%左右
: 看到網路一篇分析(有廣告嫌疑就不PO了)
: 簡單來說就是以2018年回推四年,四年來
: 0050 投報率32.8%
: 0056 投報率27.5%
: 台積電 投報率98%
: 而台積電佔台灣50成份高達34%
: 略算一下台灣50因為台積電漲了98%影響的漲幅是多少
: 把 98%*34%=33.32%,算33%好了。
: 台灣50四年來漲幅32.8%
: 所以把32.8%扣掉33%,32.8%-33%=-0.2%
: 結論是台灣50這四年來全部漲幅,都是來自台積電一檔股票的漲幅
: 如果沒有台積電,台灣50四年來漲幅為0
: ---
: 文章的概略大概是上面這樣,就是說0050投報率會高,是因為台積電高
: 如果台積電不再發威,0050還能有那麼好的投報率嗎?
: 我相信台積電很強,但要一直成長上去空間應該有限
: 從這點來看,0056的穩定性應該比0050高吧?
: 雖然說是策略性指數,但也經過十年以上的考驗了
: 特別在2018年,0050大虧的時候,0056還反賺
: 相信台積電 → 0050
: 不信台積電 → 0056
: 這樣的推論有錯嗎?謝謝大家
手機排版請見諒
剛剛查了一些資料
https://i.imgur.com/QwXRfym.jpg
https://i.imgur.com/QIIif3D.jpg
由上兩張圖得知,四年間,0050中台積電的比重由23%增加至34%,而0050總市值四年漲32
%
我們先把台灣50拆開看,變成台積電+台灣49,然後開始以下討論:
假設我們在2015Q2買入價值一百萬的0050(內容物有23萬的台積電跟77萬的台灣49),到
今天總價值會變成132萬(符合原po說的32%四年報酬率),這132萬裡面包含46萬的台積電
(台積電四年報酬98%)跟86萬的台灣49
至此我們可以很輕鬆得出並比較:
台積電四年間績效98%
台灣49四年間績效11%
合起來就是各位所看到台灣50這四年間的表現 +32%
策略什麼的先不談,只希望拋磚引玉,如果各位有其他看法也歡迎提出,或是認為有錯也
歡迎指正,謝謝各位
--
Tags:
股票
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