caplet - 金融分析師

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ASM p309. Quiz 16-2

A caplet for the quarterly interest payment due at the end of 9 months has

a strike price of 2%;it pays the excess of quarterly interest rate(not

annualized)over 2%.You are given:

(1)The price of a 6-month zero-coupon bond is 0.974.

(2)The 6-month forward price of a 3-month bond is 0.986.

(3)The annual volatility of a 6-month forward on a 3-month bond is 0.1.

Determine the price of the caplet using the black formula.

Ans:The strike price is (1/(1+0.02))=0.980392

我想請問為什麼在算執行價時 不用年化的利率

那我如果把題目改成半年付一次利息a caplet due at the end of the year

那我是否在算執行價時 就要用半年的利率


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All Comments

Rachel avatarRachel2010-10-28
可以看一下前面19.2推導的過程就知道為什麼了:P
Tom avatarTom2010-11-01
阿阿 是16.2 SORRY