整理讀書筆記（4）

 Probability

Odds - chances of winning against chances not winning 

P(E)=  A/ (A+B)

Where

A =odds for event to happen

B=odds for event not to happen 

Expected return (ie long run average)

E(X)=Average win - average lost

stress free investment

 身體出現問題，要將投資放下。想想如何能做到 stress free 的投資。可能全權放給別人（買index fund或基金)是一個好選擇

反正自己嘗試了這麼久，到頭來還是蝕，不如放棄。