綠角的股債平衡理論到底錯在哪? - 股票

By Edwina
at 2021-05-18T22:34
at 2021-05-18T22:34
Table of Contents
下面的ETF指的是指數股票型基金
我先講結論,我覺得怎樣是正確的
「如果你持有的時間很短,比如5年,那麼,債券績效的確有可能贏ETF
但如果你持有的時間很長,比如20年,那麼,ETF績效一定大勝
而且如果你持有個20年,那ETF的風險也幾乎=0了
那關鍵來了
你現在買債券or ETF,難道你真的打算5年後賣掉嗎???
不可能麼,一定是長期持有,除非你錢要拿來買房子OR有急用,不然一定是放到死
既然是這樣,為什麼不100%股票呢
而且我跟你講,只看5年的話債券的確有可能贏ETF
問題是,你會運氣那麼爛遇到ETF最爛的5年嗎???
假設有一個遊戲,期望值是110%,風險比較高 (所謂的風險高只是賺的比較少,其實根本
沒風險)
另一個遊戲,期望值只有105%,但風險比較低
反正你都會玩這個遊戲到你死為止了,當然是玩那個110%的啊
0050報酬率最爛的就是2007~2012
問題是,你會運氣這麼爛玩的是2007~2012???
你搞不好玩的是2008~2013啊
如果你只玩5年,你不知道你玩的是哪個5年,那你固然有可能是2007~2012,但也可能是
2008~2013、2009~2014、2010~2015、2011~2016......,每一個5年的平均一定贏債券
而且你又不只玩5年,你會玩到死啊
你會從第一天放到你死為止
那不是應該玩期望值最高的,100%股票嗎???」
。
再來就是很多人會問「100%股票這麼好,為什麼很多企業還是60股40債」
答 :「因為企業會有急用,假設你沒有急用,你會放到死,那當然是100%股」
。
https://greenhornfinancefootnote.blogspot.com/2021/03/etfdifferent-asset-allocation-with.html
↑綠角的言論就是這樣
「債券的績效有可能贏ETF
債券的風險更低」
我的看法 :
「債券短期績效的確可能贏ETF,但如果是長期,比如20年,ETF大勝
而且如果放20年,ETF的風險也=0了」
。
其實綠角連ETF也不會選,他在他的文章選的ETF報酬率只有5%,可是隨便選一個標普500
,不就10%了嗎???
https://zh.thelittlecollection.com/what-average-annual-return-sp-500-13339
而且標普500還有巴菲特強力背書
巴菲特還說他死了以後只留給小孩標普500
那為什麼不選標普500???
綠角選這4個ETF績效又爛,也不知道是基於什麼原因選這4個
。
綠角的股債平衡根本不堪一擊
除非你只打算持有5年,5年後把債券賣掉去作別的事 (例如買房子、有急用),不然債券
沒有任何優點
反正關鍵就是在於「你到底有沒有急用OR買房子,如果沒有的話,那當然是100%」
--
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