組合單筆記3 - 期貨
![Odelette avatar](/img/boy1.jpg)
By Odelette
at 2008-09-16T16:46
at 2008-09-16T16:46
Table of Contents
上週組一組看空經典組合單
buy 6300 put, sell 6000 put
sell 6300 call, buy 6600 call
最大獲利330點,最大損失270點
這週幾乎已經接近完全獲利
但若是害怕行情在結算前大幅反轉,吃掉獲利
可以用蝶式價差來鎖利擴大
以我的單為例
今天在買權組蝶式價差
sell 6100 callx2
buy 5900 call, buy 6300 call
此時因為已近結算,幾乎沒有什麼成本
最大損失為24點,最大獲利為176點(但還是需要保證金一萬元)
用蝶式價差來配合看空經典組合單的用意是
明後天若是維持跌勢,結算在5900以下(機率應該最大)
兩組組合單一共賺(330-24)點
但若是明後天突然拉高 甚至拉高結算時
結算價在5924與6000點間,每漲一點多賺一點
最大獲利為(330+76)
若甚至漲到6000點以上,但在6100點以下
仍是最大獲利(330+76)
漲至6100以上,獲利才會開始遞減(每漲一點損失兩點)
採用蝶式保護經典組合單獲利的邏輯是
今天平倉獲利了結,只有約14000元
無法盡得最大獲利16500(330點),差了2500元
有的版友會覺得沒差兩千元,直接平倉就好
但若是採蝶式收尾,花費成本不過24點(1200元)
比直接平倉的成本還小
又有5924到6100多賺76點的機會
既不怕跌,也不怕漲,倘若真賺到330+76點(20300元)
與直接平倉的14000元,多賺45%
45%不能算不小
價差組合單(經典組合單)最常遇到的問題是究竟該不該趁勢獲利了結
但又害怕行情繼續走,少了最大獲利的那一段利潤
此時站在時空環境已不同的點位上(錯價)
利用蝶式鎖利擴大,甚至再次以小搏大
會是不錯的後著
一些想法 僅供參考
--
Tags:
期貨
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