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alivia · 2020年02月29日

问一道题:NO.PZ201702190300000104

* 问题详情,请 查看题干

问题如下:

4. The value of Position 3 is closest to:

选项:

A.

-¥40,020.

B.

¥139,913.

C.

¥239,963.

解释:

C is correct.

The current no-arbitrage price of the forward contract is

Ft(¥/$,T) = St(¥/$)FV¥,t,T(1)/FV$,t,T(1)

Ft(¥/$,T) = ¥112.00(1 - 0.002)0.25/(1 + 0.003)0.25 = ¥111.8602

Therefore, the value of Troubadour’s position in the ¥/$ forward contract, on a per dollar basis, is

Vt(T) = PV¥,t,T[F0(¥/$,T) - Ft(¥/$,T)]

=(112.10 - 111.8602)/(1 - 0.002)025 = ¥0.239963 per $1

Troubadour’s position is a short position of $1,000,000, so the short position has a positive value of (¥0.239963/$) x $1,000,000 = ¥239,963 because the forward rate has fallen since the contract initiation.

老师,两个问题,一是课上李老师讲的折现是用RF折的,这里为什么算出来差价后要用YEN的RF折?另外NOTIONAL PRICE 与第二题的处理方式为什么不一样?

1 个答案

xiaowan_品职助教 · 2020年02月29日

嗨,从没放弃的小努力你好:


同学你好,这道如果用画图法去解更加容易理解,我画一下图供你参考

之前我们讲用无风险利率折现,是对一个forward合约整体进行重新定价时使用,而题目中给的解析是转换成某一种货币后再进行重新定价,所以要用那种货币对应的利率折现。

另外题目最终计算出的0.239963 yen/usd,base currency是usd,所以要乘以1,000,000的notional value。


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就算太阳没有迎着我们而来,我们正在朝着它而去,加油!


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