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bigeagle · 2023年12月24日

t时刻是哪个时刻 不太懂

NO.PZ2023040401000056

问题如下:

Three months ago, an investor took a long position of a forward contract that expires in six months. The forward contract was priced at $50, with a quarterly dividend of $3, and a semi-annual cost of $4. The risk-free interest rate is 3%. Now the underlying price is $48, what is the value of this forward contract:

选项:

A.

-$0.6392.

B.

$0.6022.

C.

-$1.0459.

解释:

T=6/12=0.5; T-t= 3/12 = 0.25; t=3/12=0.25; St=48.

Three months ago, an investor took a long position of a forward contract that expires in six months.

这个现金流能帮忙画一个么 ,不太懂哪个是t时刻

温酒 · 2024年01月27日

semi-annual cost of $4. 这里的semi-annual不应该是4除以(1+3%)^0.5m吗老师

2 个答案

李坏_品职助教 · 2024年01月27日

嗨,努力学习的PZer你好:


t时刻就是当前的时刻。题目最后问的是“Now the underlying price is $48, what is the value of this forward contract”,这个“Now”就是t时刻。


从t时刻(0那个位置)到合约到期日,还剩下3个月。而3个月也就是0.25年,所以是除以(1+3%)^0.25

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就算太阳没有迎着我们而来,我们正在朝着它而去,加油!

李坏_品职助教 · 2023年12月24日

嗨,爱思考的PZer你好:



-3, 0, 3这几个数字表示Month,这份合约是3个月之前签订的,也就是在-3时刻签订的合约。

当前是在0这个位置,t时刻就代表当前的时间,距离合约到期日还剩下3个月。

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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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