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那小谁 · 2021年04月15日

老师 我PVCt和AIt有点分不清楚

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NO.PZ201702190300000107

问题如下:

7.Based on Exhibits 2 and 3, and assuming annual compounding, the per share value of Troubadour’s short position in the TSI forward contract three months after contract initiation is closest to:

选项:

A.

$1.6549.

B.

$5.1561.

C.

$6.6549.

解释:

C is correct.

The no-arbitrage price of the forward contract, three months after contract initiation, is

F0.25(T) = FV0.25,T(S0.25 + θ.25 γ0.25)

F0.25(T) = [$245 + 0 - $1.50/(1 + 0.00325)(0.5 - 0.25)](1 + 0.00325)(0.75 -0.25) = $243.8966

Therefore, from the perspective of the long, the value of the TSI forward contract is

V0.25(T)=PV0.25,T [F0.25(T) F0(T)]

V0.25(T) = ($243.8966- $250.562289)/(1 + 0.00325)0.75 - 0.25 =-$6.6549

Because Troubadour is short the TSI forward contract, the value of his position is a gain of $6.6549.

老师 我PVCt和AIt有点分不清楚

1 个答案
已采纳答案

WallE_品职答疑助手 · 2021年04月16日

嗨,爱思考的PZer你好:


同学您好,


请问您是不理解这两个概念呢 还是不理解这个题里面的用法?


我之前在另外一道题里面区分过这2个概念,您可以先看一看,如果不是您想问的,您再来回复。

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举个例子,假设债券每6个月发一次coupon。假设现在时间线是,-3,0,3,9,12,15。


我们在0时间点,签订一个forward contract,12时刻到期。


咱们作为投资者买债券的时候是0时间点,也就是说这个债券其实已经在市场上发行了三个月了。它在-3到0时刻由其它人持有,然后其它人转卖了给我们。这3个月的coupon不属于我们,我们应该还给其它人,这一部分叫Accrued interest,AI0.


而这里的coupon 是因为我们选择买债券的方法是通过forward来签订的,也就是12个月后,收到这个债券,由于是签订的forward,我们只有在contract到期的时候才能拿到这个债券,因此3,9时间点的coupon我们拿不到所以要剔除掉。


而我们12时候到期拿到了债券,我们最后还能收到一笔在15个月时候的本金,以及coupon。但是这个coupon 我们只应该拿到12-15,这3个月时间点的coupon,因此这部分不属于我们(但实际我们收到的)叫Accrued interest T.


简单总结,我们拿到了不该属于我们的部分叫Accrued interest,这部分加上。我们因为签订合约而错失中间分红的部分应该减去。

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虽然现在很辛苦,但努力过的感觉真的很好,加油!

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NO.PZ201702190300000107 $5.1561. $6.6549. C is correct. The no-arbitrage priof the forwarcontract, three months after contrainitiation, is F0.25(T) = FV0.25,T(S0.25 + θ.25 –γ0.25) F0.25(T) = [$245 + 0 - $1.50/(1 + 0.00325)(0.5 - 0.25)](1 + 0.00325)(0.75 -0.25) = $243.8966 Therefore, from the perspective of the long, the value of the TSI forwarcontrais V0.25(T)=PV0.25,T [F0.25(T) – F0(T)] V0.25(T) = ($243.8966- $250.562289)/(1 + 0.00325)0.75 - 0.25 =-$6.6549 Because Troubaur is short the TSI forwarcontract, the value of his position is a gain of $6.6549.在long position中 T时刻有权以fp买入资产,说明还未持有该资产,因此v取不到那么short position对应的不是应该在T时刻卖出,而现在是持有该资产的吗?既然持有v为什么是减去呢难道所有头寸都是无法取得v吗?

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$5.1561. $6.6549. C is correct. The no-arbitrage priof the forwarcontract, three months after contrainitiation, is F0.25(T) = FV0.25,T(S0.25 + θ.25 –γ0.25) F0.25(T) = [$245 + 0 - $1.50/(1 + 0.00325)(0.5 - 0.25)](1 + 0.00325)(0.75 -0.25) = $243.8966 Therefore, from the perspective of the long, the value of the TSI forwarcontrais V0.25(T)=PV0.25,T [F0.25(T) – F0(T)] V0.25(T) = ($243.8966- $250.562289)/(1 + 0.00325)0.75 - 0.25 =-$6.6549 Because Troubaur is short the TSI forwarcontract, the value of his position is a gain of $6.6549.这题说到了分红是半年一付,1.5$,为什么不需要除以2?

2020-08-14 15:34 1 · 回答