關於33%勝率 - 財經

By Odelette
at 2013-12-26T06:29
at 2013-12-26T06:29
Table of Contents
為了避免再讓有些人有錯誤的觀念,我要把我的誤導的言詞,
做一下正確性的交代。
基本上我在上一篇談到 33%的系統,那對我的真實「事件」是沒錯,
但用在大家身上絕對是錯。沒一個人糾出這個錯,那表示大家的研究
真的還要在加油一下,只會談到我太遜了,33%還有很大的成長空間,
可以讓勝率更高。
以下才是真的正確言論: 實際上任何系統的勝率都是 50% 上下..
根本就不存在33%的系統,道理很簡單,我勝率 33% 這不代表我
下反向單不就是勝率 67%? 這麼好的系統我根本就是找到聚寶盆了。
那為何大家測出來的結果都是 4X 的勝率? 那是因為你被手續費等成本吃掉了,
所以長期下來,你的勝率一定是 4X%,那為何你跑回測又有機會跑出
6X% 的勝率? 那是你對你自己作弊,但你真的不知道這個事實,
連你自己也不知道你在作弊,你只是加上A指標/B指標..一大堆條件,
讓錯誤濾掉,不是真的讓系統知道前面有一個危機,你讓他不要走這一條路,
跟看懂危機是兩回事,看懂危機是下次做手有新的手法,他不會受
重傷;而不讓他走這一條路,意思就是我手法變一下,你還是一樣會掉入陷阱,
所以就會發生回測數據好漂亮阿!! 幹..怎麼真實上線 狀況這麼多,
一直在狂輸,於是繼續新增A條件,B條件不要進場,於是進場次數
愈來愈少,從進場10次變成只有3次,就開始說我終於改良系統了。
最後,請大家不要猛塞信件到我的信箱,太奇怪了...你們這些問題,
為什麼都不在版上詢問,反而用私人信件在問?BBS 就是在讓大家討論的,
全都閉塞不敢問,結果版上跟死水一樣,你的問題一樣窩在你的心中,
沒辦法解決。有人說不會有人回答,不回答又怎樣? 你不post出來絕對
不可能有結果,但你在版上問,不小心還真的會得到你想不到的結果出來,
大家都在打屁不回答你也沒任何損失。
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