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Carolyne · 2024年04月23日

选项C

NO.PZ2023041003000008

问题如下:

Troubadour takes a short position in the TSI equity forward contract. His super­visor asks, “Under which scenario would our position experience a loss?”

The most appropriate response to Troubadour’s supervisor’s question regarding the TSI forward contract is:

选项:

A.

a decrease in TSI’s share price, all else equal.

B.

an increase in the risk-free rate, all else equal.

C.

a decrease in the market price of the forward contract, all else equal.

解释:

From the perspective of the long position, the forward value is equal to the present value of the difference in forward prices:

Vt(T)= PVt,T[Ft(T)-F0(T)]

where Ft(T) =FVt,T(Sttt)

All else equal, an increase in the risk-free rate before contract expiration would cause the forward price, Ft(T), to increase. This increase in the forward price would cause the value of the TSI forward contract, from the perspective of the short, to decrease. Therefore, an increase in the risk-free rate would lead to a loss on the short position in the TSI forward contract.

C选项的市场价格是不是重新定价法的FPt(T) ?

1 个答案

pzqa35 · 2024年04月24日

嗨,努力学习的PZer你好:


同学的理解是对的哈,C选项就是利用重新定价法来计算。

这个人是持有short forward的头寸,也就是在到期时刻他会收到FP0,同时卖出标的资产。那么利用重新定价法,在t时刻求value是签一个到期时间相同的反向的对冲合约,也就是long forward在t时刻,价格为FPt,那么这份合约在到期时候的操作就是以FPt的价格买入标的资产,所以在到期时刻的最终收益就是收到FP0,支出FPt,标的资产端会互相抵消,那么在到期时刻的收益就是FP0-FPt,折现到t时刻即为在t时刻的价值。所以FPt下降会使得t时刻的value上升,不是loss。

重新定价法在做题的时候要判断清楚头寸。

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