試單2 - 期貨
By Margaret
at 2008-09-21T00:06
at 2008-09-21T00:06
Table of Contents
有許多版友來信詢問這組試單的細節
不甚了解為什麼蝶式可以用來試多單
因無法一一回信 所以再叨占板上一篇篇幅
將買權蝶式拆開後 其實它已經具備看多經典組合單雛形
上篇文寫到突破6000點便認為可以追多
於是蝶式的buy 6000 call, sell 6300 call 便是經典組合單的順勢價差
上篇文寫到禮拜一若持續上漲 可以再組一組經典組合單(全新)
但是也可以無須再組 直接利用試單的這組蝶式
再加上一組賣權看多 例如sell 6000 put, buy 5700 put
保守一點也可sell 5800 put, buy 5500 put
與蝶式的那一組看多價差 即形成一組完整的經典組合單
並且這組看多經典組合單已經獲利了(假設禮拜一開高,蝶式看多獲利)
至於蝶式那組看空價差就可以先不理它
行情持續走高 一路不回頭
放到結算整組組合單一定獲利(只要後來那組賣權看多價差收的點數大於56點)
行情走高後開始盤整 整組還是獲利 理由同上(甚至蝶式可能最大獲利)
行情走高後上攻無力 開始下跌 將經典單的順勢價差(也就是蝶式的看多部位)獲利了結
留下蝶式看空部位和經典單的逆勢部位
這個時候蝶式與經典單轉變成買進鐵蝴蝶部位(類似賣出勒式,但是有限風險)
這時再視大盤情況變動 大盤在這組買進鐵蝴蝶區間中漲漲跌跌
就利用賣方最好的朋友-時間 來幫組合單獲利
大盤又開始下跌 解掉賣權看多 再組一組賣權看空價差
與原本的蝶式看空部位又形成了一組完整的看空經典組合單
倘若大盤不是下跌 又開始上漲 原本獲利了結的經典單順勢價差再追回來
又是一組完整的看多經典組合單(蝶式看空部位可以了結或先擺著)
靈活運用原本組合單的優勢來順勢操作
倘若我在上周五就已認定大盤會漲 那麼我會直接組看多經典單
但若是不甚確定 又不希望浪費週一可能的大漲
組買權蝶式(區間高於大盤)就好像一個保守的交易者
先組買權看多 等到漲勢確定 再組風險較大的賣權看多
而蝶式的看空部位就像是買個保險 日後遇壓不漲或盤或跌都可獲利的保險
盤勢漲跌有時可以判斷機率 把握機率大的方向下單
當機率真的發生 再順勢繼續加碼
當機率沒有發生時 事先便已控制好風險 無傷大雅
長久以來財說不定能夠穩定獲利
最後再分享一點 因為我們已知周五美股漲368點
所以週一台股幾乎可能開高
但若是真的那百分之一的機率發生 台股週一開平或開低或開高走低
繼續之前的跌勢 那麼就可以確定大勢繼續往下
此時我們的蝶式便可以解掉看多部位 再組一組賣權看空
又形成一組完整的看空經典組合單順勢作空了
一些想法 僅供參考
ps 因我不會回水球 所以在這裡謝謝版友問好
近日較忙,可能無法一一回信
--
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期貨
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