op賣方誤解討論 - 期貨
By Lily
at 2016-03-29T03:03
at 2016-03-29T03:03
Table of Contents
針對部份觀念回應一下
*裸賣很危險,一定要加保險(較價外的買腳)?
1. sell call一口,被軋到delta到頂時等於一口小台空單
如果承受得了留倉一口小台的風險,卻害怕留一口SC,這是很促咪的事...
所以誰說非得加買腳不可,有什麼屁股吃什麼瀉藥罷了。
說穿了,恐怖危險的不是裸賣,是不當的部位和資金控管。
2. 我想,大原則是買方控總權利金市值、賣方控口數。
都是基於控制最大風險這個目的。
3. 價差部位鎖住最大虧損,但也降低最大利潤。
多做一隻腳也多了些麻煩(移動價差時產生的麻煩、增加交易成本)。
只能說,各有優缺、各有特性。
*方向性出來時,裸賣賺得比期指少。(?)
大抵上的確如此。但建立部位時,誰能確知接下來會有什麼行情 XD
小台空單1口 VS SC一口,在空頭趨勢時誰賺得比較多還不見得呢
(關係到行情走法、OP是可以移動序列調整的、波動率變化、時間...等等)
別忘了,影響選擇權價格的可不只有標的物價格變化
*原PO文裡提到要賣多遠的問題
版上不少人聽過甚至上過業內劉懋楠這位前輩的課,
印象中他們有回測過不同價外程度的雙賣部位,常態性操作下哪種的獲利能力最好,
結論是賣越價平越好。
不過,這結論我不甚上心就是了。
帶來損益結果的不只是架什麼部位,還有配合什麼樣的交易策略。
最後,
沒有必要特地塑造或簡單三言兩語畫定某種部位是很恐怖的思維,
OP是公平的,
不同的部位有不同的損益分布,
認識該部位的特性,針對部位特性和個人需求作布局,
如此而已。
PS. 個人並非鼓勵常態性操作裸賣部位,
我自己是設定特殊狀態時才做的。
事先設定好的東西包括進場條件、如何加減碼控制部位、如何選擇和移動序列、
選擇哪個月份的契約、停損停利的依據、出場條件、出現流動性風險時該如何應對、
遇到極端行情時該怎麼處理部位...等等
--
*裸賣很危險,一定要加保險(較價外的買腳)?
1. sell call一口,被軋到delta到頂時等於一口小台空單
如果承受得了留倉一口小台的風險,卻害怕留一口SC,這是很促咪的事...
所以誰說非得加買腳不可,有什麼屁股吃什麼瀉藥罷了。
說穿了,恐怖危險的不是裸賣,是不當的部位和資金控管。
2. 我想,大原則是買方控總權利金市值、賣方控口數。
都是基於控制最大風險這個目的。
3. 價差部位鎖住最大虧損,但也降低最大利潤。
多做一隻腳也多了些麻煩(移動價差時產生的麻煩、增加交易成本)。
只能說,各有優缺、各有特性。
*方向性出來時,裸賣賺得比期指少。(?)
大抵上的確如此。但建立部位時,誰能確知接下來會有什麼行情 XD
小台空單1口 VS SC一口,在空頭趨勢時誰賺得比較多還不見得呢
(關係到行情走法、OP是可以移動序列調整的、波動率變化、時間...等等)
別忘了,影響選擇權價格的可不只有標的物價格變化
*原PO文裡提到要賣多遠的問題
版上不少人聽過甚至上過業內劉懋楠這位前輩的課,
印象中他們有回測過不同價外程度的雙賣部位,常態性操作下哪種的獲利能力最好,
結論是賣越價平越好。
不過,這結論我不甚上心就是了。
帶來損益結果的不只是架什麼部位,還有配合什麼樣的交易策略。
最後,
沒有必要特地塑造或簡單三言兩語畫定某種部位是很恐怖的思維,
OP是公平的,
不同的部位有不同的損益分布,
認識該部位的特性,針對部位特性和個人需求作布局,
如此而已。
PS. 個人並非鼓勵常態性操作裸賣部位,
我自己是設定特殊狀態時才做的。
事先設定好的東西包括進場條件、如何加減碼控制部位、如何選擇和移動序列、
選擇哪個月份的契約、停損停利的依據、出場條件、出現流動性風險時該如何應對、
遇到極端行情時該怎麼處理部位...等等
--
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期貨
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