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cap

always remember "cap" = buy a put+ sell a call,

 

 

 value of option is not dependent on interest rate level, but interest rate volatility, according to Black model....

 

payout of a call at expire date equalss to the difference of strike price and the expire day price.

 

holder of a call option receive payout when interest rate is higher than strik because the holder is hedging against higher interest rate. 

[此贴子已经被作者于2010-5-31 16:33:16编辑过]

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