價差部位權利金問題 - 期貨
By Lily
at 2009-07-22T14:40
at 2009-07-22T14:40
Table of Contents
為什麼低履約價格的Call要付比較高的權利金C?
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由於討論的是履約價格的高低所以C的Ct不考慮
假設今日漲到4000
我分別BC3400跟BC3500,而其中600跟500的差額我不是已經在買入時就已經付了嗎?
那麼我為什麼還要付比較高的權利金的C3400上= =?
還是說這600跟500本身就是權利金!?
那麼4000、價外、深價外的權利金怎麼解釋!?
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另例 如果權利金不內含的情況 如果如上所說B34之權利金因該>B35的權利金
所以設:
B3400 B3500
$ 3400 3500
權利金 150 100
今天盤勢來到4000時,由於都是以4000點買進,所以付的東西
權利 B3400 B3500
(溢價 +600 +500)
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權利金 150 100
如果之後又跌至3600結算出售
權利 B3400 B3500
(溢價 +200 0)
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成本 150 100
B3500 我願意以3500+100交割
B3400 願意以3400+150交割
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所以3600-(3400+150) > 3600-(3500+100) .... =.=?
越來越亂了...
Tags:
期貨
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