Question
Question 2. The Binomial Option Pricing Assume that you are an options seller (e.g., a financial institution) who is selling a European Call option on
Question 2. The Binomial Option Pricing
Assume that you are an options seller (e.g., a financial institution) who is selling a European Call option on Silver ETF (Silver Exchange Traded Fund). Assume that the underlying asset is Silver ETF with no storage cost and no dividend. The risk-free rate with continuous compounding is 4% per annum (i.e. r = 0.04). See information below:
Stock/Spot Price | S0 | $160 |
Strike Price | K | $190 |
Maturity date of Forward Contract (3 months) | T | 3/12 (or 0.25) |
Volatility | 60% | |
Risk-free Rate | r | 4% |
Dividend | q | 0 |
Note: the following questions are asking for one-step binomial option pricing model, not the Black-Scholes-Merton model.
Question 2 - Part (A) [Arbitrage Portfolio Approach] [16%] Based on the information above, apply the Arbitrage Portfolio approach with one-step binomial option pricing model and calculate the value of a European CALL option with an exercise/strike price of $190 (K = $190) and maturity of 3-month (T = 3/12 or 0.25).
Note: your answers should show all of the complete steps (i) to (iv) below; show all variables, formula, calculations, and results (for (i) to (iv)) as clear as possible:
Step (i) 1-Step Binomial tree of the stock price with calculation of u and d.
Step (ii) 1-Step Binomial tree of the option price.
Step (iii) Discuss how the options sellers (market makers) can construct a riskfree arbitrage portfolio, with calculation of Delta () and calculation of the Present Value of Arbitrage Portfolio.
Step (iv) Final result of the No-Arbitrage Option Price (based on the Arbitrage Portfolio Approach). [Show your answers, formula, steps/calculations, and discussions as clear as possible]
Question 2 - Part (B) [Risk-Neutral Valuation Approach] [16%] Based on the information above, apply the Risk-Neutral Valuation approach with onestep binomial option pricing model and calculate the value of a European CALL option with an exercise/strike price of $190 (K = $190) and maturity of 3-month (T = 3/12 or 0.25).
Note: your answers should show all of the complete steps 1 to 2 below; show all variables, formula, calculations, and results (for steps 1 and 2) as clear as possible:
Step 1 calculation of Risk-Neutral Probability (p) with binomial tree of the option price
Step 2 calculation of Risk-Neutral Valuation and final result of the No- Arbitrage Option Price (based on the Risk-Neutral Valuation Approach). [Show your answers, formula, steps/calculations, and discussions as clear as possible]
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