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考拉 · 2024年01月07日

ABC三种方式有什么本质区别?

NO.PZ2023032703000039

问题如下:

Adams and junior portfolio manager Frank Neeson review the fixed-income portfolios of two new defined benefit plan clients, Lawson Doors & Cabinets, Inc., and Wharton Farms. Adams states to Neeson, “For the Lawson and Wharton plans, we can consider some strategies to manage the multiple liabilities associated with these plans. We could also use a derivatives strategy, and I prefer derivatives strategies that protect the portfolio against an increase in interest rates but will not produce large losses if rates decrease.”

Which of the following strategies most likely meets Adams’ preferences? (2019 mock AM)

选项:

A.

Buy a payer swaption.

B.

Write a receiver swaption.

C.

Enter into a pay fixed swap.

解释:

A is correct. Adams would most likely buy a payer swaption. Although all three choices would hedge against rising interest rates, the potential losses on a payer swaption if rates fell would be limited to the option premium and would not be potentially large with uncertain timing.

B is incorrect because the potential loss on writing a receiver swaption if rates fell would be contingent on the interest rate and would be uncertain until termination of the contract.

C is incorrect because the amount of the potential loss if interest rates fell is contingent on the interest rate and would be uncertain until termination of the contract with a pay fixed swap.

long pay swaption,short receiver swaption, pay fixed swap, 这三种方式其实都是receive floating int rate, pay fixed int rate, 前两者是执行权利,最后一种是执行义务。short receiver swaption还能收一笔short产生的premium, 为什么不是B呢

1 个答案
已采纳答案

pzqa31 · 2024年01月08日

嗨,爱思考的PZer你好:


protect the portfolio against an increase in interest rates but will not produce large losses if rates decrease.这句话意思是:选择的衍生品工具,能够在利率上升时,为原portfolio提供保护,在利率下降时,这个工具也不会产生大量亏损。翻译过来就是,利率上升时,这个衍生工具会盈利,抵消Portfolio的亏损,进而为portfolio提供保护;利率下降时,这个工具也不会产生亏损,此时原portfolio会盈利。显然,这是一个亏损有限、盈利无限的非对称结构的衍生品,也就是option。那么可以直接排除C。

 

来看A:buy payer swaption。利率上涨时,buy一方会选择行权,获利;利率下降时,Buy一方不会行权,此时损失有限的期权费。所以,利率上涨时,原portfolio有亏损,但buy payer swaption有盈利,可以抵消原portfolio的亏损,有保护作用;利率下降时,原portfolio有盈利,payer swaption不行权,只损失少量的期权费,没有large losses。

 

来看B:卖 receiver swaption。利率上涨时,买receiver swaption不会行权,那么卖receiver swaption一方获得优先的期权费;利率下跌时,买receiver swaption一方会行权,获利,那么此时卖receiver sawption一方会被动行权,有大额亏损。所以,卖receiver swaption会在利率下降时,会产生large losses,不符合A同学的预期。

 

来看C:进入pay fixed swap,利率下降,有亏损;利率上涨,有盈利,不满足利率下降时不会产生large losses的要求,所以也排除。

 

所以这道题选buy payer swaption

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