Question: Consider a one step tree for a stock with a current stock price of $100 that can go either up to $110 or down to

Consider a one step tree for a stock with a current stock price of $100 that can go either up to $110 or down to $80. The step size is 3 months. (a) What is the risk-neutral probability of going up to $110? (b) What is the risk-neutral probability of going down to $80? (c) Consider a one-year put option with a strike of $100, what is the payoff of this option if the stock price goes up to $110? What is the payoff if the stock price goes to $80? ( ) (d) Based on the tree, compute the delta of this one-year $100-strike put option. How much is this option worth?

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