question archive Which of the following strategies do we use to prove that relationship between call option (and put option) prices and the strike price is convex? A
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Which of the following strategies do we use to prove that relationship between call option (and put option) prices and the strike price is convex?
A. Bull spread
B. Bear spread
C. Butterfly spread
D. Straddle
E. Strangle
Answer: Butterfly spread strategy
We use Butterfly spread strategy to prove that relationship between call option (and put option) prices and the strike price is convex