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西红柿面 · 2025年04月21日

Bear Spread为什么我不能买X=30的Option呢?

* 问题详情,请 查看题干

NO.PZ202312250100000504

问题如下:

Based on the information in Exhibit 2, the total option premium to hedge Raghav’s NAIC holdings is closest to:

选项:

A.$42,800. B.$45,000. C.$47,200.

解释:

Collar Option strategy = Buy an ATM put and sell an OTM call = $2.67 – 0.53 =$2.14

Cost per collar option contract = $2.14 × 100 = $214

Cost to hedge half of NAIC holdings = $214 × (10,000/100) = $21,400

Bear put option = Buy an ATM put and sell an OTM put = $2.67 – 0.31 = $2.36

Cost per bear put option contract = $2.36 × 100 = $236

Cost to hedge half of NAIC holdings = $236 × (10,000/100) = $23,600

Total premium paid = $45,000

The total cost to hedge 20,000 shares of NAIC is $45,000.

Bear Spread为什么我不能买X=30的Option呢?虽然贵一些,但是能提供更多保护呀

1 个答案

李坏_品职助教 · 2025年04月21日

嗨,爱思考的PZer你好:


股票期初的股价是 $25.12,他只是害怕股价比期初的价格下跌。客户并不是有明确的股价下跌预期,只是纯粹的“wants to protect their value”。 这样的话我们应该更重视期初的成本,尽可能在完成目标的同时要控制住成本。


如果这道题加一个条件,客户或者基金经理对股价有下跌的预期,那可以考虑用30的put去构造组合。

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