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wyk0423 · 2023年12月22日

怎么算都得不到答案

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NO.PZ202106160100000106

问题如下:

Based on the exchange rate midpoint in Exhibit 1 and the rates in Exhibit 3, the 90-day forward premium (discount) for the USD/GBP would be closest to:

选项:

A.

–0.0040.

B.

–0.0010.

C.

+0.0010.

解释:

B is correct.

Using covered interest rate parity, the forward rate is

Ff/d=Sf/d(1+if[Actual360]1+if[Actual360])F_{f/d}=S_{f/d}{(\frac{1+i_f{\lbrack\frac{Actual}{360}\rbrack}}{1+i_f{\lbrack\frac{Actual}{360}\rbrack}})}

=1.2303(1+0.0033[Actual360]1+0.0058[Actual360])=1.2303{(\frac{1+0.0033{\lbrack\frac{Actual}{360}\rbrack}}{1+0.0058{\lbrack\frac{Actual}{360}\rbrack}})}

Because the domestic rate (Libor) is higher than the non-domestic rate, the forward rate will be less than the spot, giving a forward discount of

Ff/d - Sf/d = 1.2295 - 1.2303 = -0.0008

考点:Interest rate parity

解析,根据利率平价理论的公式,我们首先可以求得 USD/GBP 的远期汇率水平,即:

Ff/d=Sf/d(1+if[Actual360]1+if[Actual360])F_{f/d}=S_{f/d}{(\frac{1+i_f{\lbrack\frac{Actual}{360}\rbrack}}{1+i_f{\lbrack\frac{Actual}{360}\rbrack}})}

=1.2303(1+0.0033[Actual360]1+0.0058[Actual360])=1.2303{(\frac{1+0.0033{\lbrack\frac{Actual}{360}\rbrack}}{1+0.0058{\lbrack\frac{Actual}{360}\rbrack}})}

然后我们用远期汇率减去即期汇率直接得到升贴水的情况。

Ff/d - Sf/d = 1.2295 - 1.2303 = -0.0008

我得到的答案是:

forward rate=1.2303*(1.0033%/1.0058%)= 1.2272 所以discount= -0.003058


我是哪里搞错了吗?

1 个答案

笛子_品职助教 · 2023年12月22日

嗨,努力学习的PZer你好:


Hello,亲爱的同学~

同学把公式写错了。

我们看强化讲义:


F = S*(1+Rx)/ (1+Ry)。


同学写成了:

F = S * Rx / Ry


老师目前是发现了同学的这一个错误。


如果还有其他错误,同学需要把计算过程写全,老师再看看有无其他错误。

----------------------------------------------
加油吧,让我们一起遇见更好的自己!

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NO.PZ202106160100000106 问题如下 Baseon the exchange rate mioint in Exhibit 1 anthe rates in Exhibit 3, the 90-y forwarpremium (scount) for the USGwoulclosest to: A.–0.0040. B.–0.0010. C.+0.0010. B is correct.Using covereinterest rate parity, the forwarrate isFf/Sf/1+if[Actual360]1+if[Actual360])F_{f/=S_{f/{(\frac{1+i_f{\lbrack\frac{Actual}{360}\rbrack}}{1+i_f{\lbrack\frac{Actual}{360}\rbrack}})}Ff/=Sf/(1+if​[360Actual​]1+if​[360Actual​]​)=1.2303(1+0.0033[Actual360]1+0.0058[Actual360])=1.2303{(\frac{1+0.0033{\lbrack\frac{Actual}{360}\rbrack}}{1+0.0058{\lbrack\frac{Actual}{360}\rbrack}})}=1.2303(1+0.0058[360Actual​]1+0.0033[360Actual​]​)Because the mestic rate (Libor) is higher ththe non-mestic rate, the forwarrate will less ththe spot, giving a forwarscount ofFf/- Sf/= 1.2295 - 1.2303 = -0.0008考点Interest rate parity解析,根据利率平价理论的公式,我们首先可以求得 USG的远期汇率水平,即Ff/Sf/1+if[Actual360]1+if[Actual360])F_{f/=S_{f/{(\frac{1+i_f{\lbrack\frac{Actual}{360}\rbrack}}{1+i_f{\lbrack\frac{Actual}{360}\rbrack}})}Ff/=Sf/(1+if​[360Actual​]1+if​[360Actual​]​)=1.2303(1+0.0033[Actual360]1+0.0058[Actual360])=1.2303{(\frac{1+0.0033{\lbrack\frac{Actual}{360}\rbrack}}{1+0.0058{\lbrack\frac{Actual}{360}\rbrack}})}=1.2303(1+0.0058[360Actual​]1+0.0033[360Actual​]​)然后我们用远期汇率减去即期汇率直接得到升贴水的情况。Ff/- Sf/= 1.2295 - 1.2303 = -0.0008 S为什么是1.2303?按照mi个价格走么

2024-06-29 09:28 1 · 回答

NO.PZ202106160100000106 这个答案不对吧?

2022-02-14 22:10 1 · 回答