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wuzx · 2022年04月08日

请问题干说的reset

NO.PZ2019052801000050

问题如下:

A US company entered into a one-year currency swap with quarterly reset six months ago. The notional principle is $1,000,000, At the swap’s initiation, the US company receives the notional amount in Australian dollars and pays to the counterparty the notional amount in US dollars. At the swap’s expiration, the US company pays the notional amount in Australian dollars and receives from the counterparty the notional amount in US dollars.The annual fixed swap rates for Australian dollars is 4% and for US dollars is 3.6%.The current spot exchange rate is A$1.2 / $ .

The US term structure is:

  • r(90)=3.58%

  • r(180)= 3.74%

The Australian term structure is:

  • r(90)=3.82%
  • r(180)= 4.1%

What is the value of the currency swap to US company?

选项:

A.

$-142,145million.

B.

$142,145million.

C.

$166 ,385.

D.

$-166 ,385.

解释:

C is correct.

考点:货币互换估值.

解析:

期初和期末美国公司收美元本金和利息的价值:

lB  $  =0.009e0.0358×0.25+1.009e0.0374×0.5=0.999227{l}B_{\;\$}\;=0.009e^{-0.0358\times0.25}+1.009e^{-0.0374\times0.5}\\=0.999227

期初和期末美国公司支澳大利亚元本金和利息的价值:

lB  A$  =0.01e0.0382×0.25+1.01e0.041×0.5=0.999411{l}B_{\;A\$}\;=0.01e^{-0.0382\times0.25}+1.01e^{-0.041\times0.5}\\=0.999411

lV=(0.9992270.999411÷1.2)×1,0000,000=166,385{l}V=(0.999227-0.999411\div1.2)\times1,0000,000=166,385

题干说每季度reset一次,最近是6个月之前,那是站在哪个时间点折现,又要折回什么时候?能画图说明吗

2 个答案

李坏_品职助教 · 2022年04月09日

嗨,从没放弃的小努力你好:


对,求swap的value是折回到现在的时间点,年中,而不是期初

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努力的时光都是限量版,加油!

李坏_品职助教 · 2022年04月08日

嗨,从没放弃的小努力你好:


题干第一句话的意思是这个公司在半年前签了一个外汇互换合约,季度reset的。所以等于是告诉我们现在的时间点是年中(6月底)


因为swap的期限是1年,1年内本该有4笔现金流,但是现在已经是6月底了,所以还剩下2笔现金流(1个coupon+1个notional)。其中coupon是在一个季度之后支付,所以t=0.25,而notional是半年后也就是12月底支付,所以是t=0.5:

澳元的现金流的t也是一样的,分别是0.25和0.5



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虽然现在很辛苦,但努力过的感觉真的很好,加油!

wuzx · 2022年04月09日

老师,所以是把下季度的coupon和下下季度(即期末)的本金➕coupon折回现在所在的时间点上,而不是折回到购买时(即期初)吗?

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NO.PZ2019052801000050问题如下A US company entereinto a one-yecurrenswwith quarterly reset six months ago. The notionprinciple is $1,000,000, the swap’s initiation, the US company receives the notionamount in Australillars anpays to the counterparty the notionamount in US llars. the swap’s expiration, the US company pays the notionamount in Australillars anreceives from the counterparty the notionamount in US llars.The annufixeswrates for Australillars is 4% anfor US llars is 3.6%.The current spot exchange rate is A$1.2 / $ . The US term structure is: r(90)=3.58% r(180)= 3.74% The Australiterm structure is: r(90)=3.82% r(180)= 4.1%Whis the value of the currenswto US company? A.$-142,145million.B.$142,145million.C.$166 ,385.$-166 ,385. C is correct. 考点货币互换估值.解析美国公司收美元本金和利息的价值lB  $  =0.009e−0.0358×0.25+1.009e−0.0374×0.5=0.999227{l}B_{\;\$}\;=0.009e^{-0.0358\times0.25}+1.009e^{-0.0374\times0.5}\\=0.999227lB$​=0.009e−0.0358×0.25+1.009e−0.0374×0.5=0.999227美国公司支澳大利亚元本金和利息的价值lB  A$  =0.01e−0.0382×0.25+1.01e−0.041×0.5=0.999411{l}B_{\;A\$}\;=0.01e^{-0.0382\times0.25}+1.01e^{-0.041\times0.5}\\=0.999411lBA$​=0.01e−0.0382×0.25+1.01e−0.041×0.5=0.999411lV=(0.999227−0.999411÷1.2)×1,0000,000=166,385{l}V=(0.999227-0.999411\v1.2)\times1,0000,000=166,385lV=(0.999227−0.999411÷1.2)×1,0000,000=166,385 1、“本题是1年期的swap,每季度交换一次,已经过了半年了,求value的问题”求的不是0时刻签约的value?那是求1年到期,现在的value?2、FRM考试只要给了利率没说怎么计息,就用连续复利吗?

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