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(Solved): please answer a and b for a good rating! Suppose a stock price can go up by 13.25\% or down by 11.25 ...



please answer a and b for a good rating!
Suppose a stock price can go up by 13.25\% or down by \( 11.25 \% \) over the next year. You own a one-year put on the stock.
Suppose a stock price can go up by 13.25\% or down by over the next year. You own a one-year put on the stock. The interest rate is , and the current stock price is . a. What exercise price leaves you indifferent between holding the put or exercising it now? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Answer is complete but not entirely correct. Breakewen exarise price b. How does this break-even exercise price change if the interest rote is increased?


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a. To find the exercise price that leaves you indifferent between holding the put or exercising it now, we need to calculate the expected stock price at the end of the year and discount it back to the present.

Let's denote the current stock price as S0, the up-move as u, the down-move as d, and the interest rate as r.

S0 = $53
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