Re: [問題] 贖回技巧一問
先問個問題,為什麼要停利?
每個人多多少少都聽過很多種說法
心中也有一些自己的定見
但無論如何
都是希望能夠以主動式的操作,試圖達到:
(1) 獲利最大化的目的
(2) 降低身處相對高檔的持有風險
以原po來說,將20%的獲利連同本金一起贖回
然後再重新開始每月定期定額扣款的操作並無不妥
這樣的操作著重在上述第(2)點
也就是降低風險
持股少一點多睡一點安心好覺
當然相對的
就無法站在(1)的角度來追求獲利最大化
這操作模式基本上來講還算是有系統的
唯一自己主觀判定的部份只在於「是否市場處於高檔」
(若是設定固定%數贖回,那就沒有主觀判定的成份)
若是判定處於高檔,就全數贖回獲利了結
把風險歸零後
重新展開新的一輪佈局
而推文所討論的比較偏向於從(1)的角度來出發
不過,以主動式操作而言
討論某個時點應該偏多偏空會比較有意義
也比較容易來複製歷史經驗
要用general case來討論怎樣的主動式操作是最好
我想大家都很有自信,沒人可以說服別人
最後
降低風險本身並沒有對錯
畢竟願意承擔風險的多寡因人而異
用(1)的角度來說(2)的操作有所矛盾
認為是不太合適的~
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