購買基金的本意 - 基金
![Michael avatar](/img/cat2.jpg)
By Michael
at 2008-08-27T13:27
at 2008-08-27T13:27
Table of Contents
買基金到底好不好?定期定額到底行不行?我想,要考慮的因素很多。
首先,在購買基金之前,第一個要考慮的,不是基金,而是自己。
你打算用來買基金的錢是否穩定?如果很不穩,那還談什麼定期定額?
你有多少時間可以耗費在基金事務上?包括「做功課」、「搜尋時間」、
「買賣介面」...
自己的要素,應該優先被檢視,然後請你計算出「你的時間成本」。
你一個月工作多少小時?將你的實質月薪除以上述小時數,就是你的單位
時間成本。如果你是時薪受雇者,這數值會比鐘點費低不少,因為要通勤
與準備的時間也要算進去。
這個數值,就是你的生命時間價格。全力提升你的單位生命時間價格,是
累積財富的關鍵之一。這個數值因人而異,差距非常巨大。
接下來,我們看看你一天花多少時間在基金事務上?假如你一天花一小時
「做功課」,注意你的基金淨值,比較其他基金淨值,然後花費時間平復
心情。那麼,你就是「支付」了一個小時的生命時間價格,「購買」基金
可能給你的利潤。如果前者大於後者,你就是賠錢,反之亦然。
舉例來說:你26歲,月薪四萬,平均每天花在工作事務上的時間是十小時(連
交通時間都要算喔),每月有二十五個工作天,很爽不必加班,所以每月有
250小時用在工作。你的時薪就是:40000/250 = 160 元。
如果你從基金事務上面獲得的利潤是打平的,你必須賺到160元的收益。因為你
每個月花30小時在基金事務上,所以你的機會成本是 4800 元,一年就要花掉
57600元。但是,必須考慮的是:這個數值必須是賺得比定存多的部分,因為
你如果存定存,任何成本都不必花。假設定存利率是2%好了。
接下來就是看本金了。如果你的本金是100萬,每年自動會生出20000元的利息,
但是因為你買基金,花了時間成本,一共是57600,那你要賺到多少才算不賺
不賠呢?當然是 77600元,年化利率是 7.76%
這意思就是說:如果你二十六歲,月薪四萬,有一百萬積蓄,每天閱讀基金、
看淨值、為基金傷腦筋一個小時,而能買到一檔每年都得為你賺7.76%的利潤,
而且只能多不能少(法定盈餘?)的基金,你買基金才有意義。
這裡沒有考慮手續費等變項進去。
值不值得?看你囉!看你本金多少?看你月薪多少?看你一天花多少時間在
基金上?看定存利率多少?
本金如果變成五十萬,那麼利息只有1萬元,時間成本換價是57600元,一年
必須獲利67600元,年化利率是6.76%。條件變低了,達成的可能性應該上升
了。
如果月薪變成八萬,那麼時間成本就變成115200,一年必須獲利135200元,
年化利率是13.52%,每年都這樣賺的基金,可能比較難達成吧?
重點是:如果你每天可以減少花在基金事務的時間成為半小時,那麼時間
成本會變成28800元,一年獲利是48800元,年化利率 4.88%,要找到這樣
的基金應該更容易吧?
結論自己下吧!
--
Tags:
基金
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