Which option should be more expensive call (K - $70) or Put (K = $70) (Those are called As the Money Option or the same or you need more instruction? If you need more information, what kind of more information do you need, just list the information you need. Davy buys UB stock (which pays no dividend) at $ 120 per share and worries that the stock price decline. To avoid losses. Hannah suggests to buy put option written on that stock, Melly recommend to sell can option written on the stock. Now, put option and call option of exercise strike price of $108 has a price of $9 for put option and $17 for call option respectively, per share. Options have maturity of 1 year. The 1 year interest rate is 8%. If there is ANY ARBITRAGE show strategies to get profits, if NOT write NO ARBITRAGE Now you want to SELL a PUT but it is NOT available. How can you synthetically make 'Selling a put option' using a Stock, Call option and a Bond with face value equal to K(string) price? For example, Sell Put + Buy Stock + Short-sell Bond etc...)NO BAND market OPEN Which option should be more expensive call (K - $70) or Put (K = $70) (Those are called As the Money Option or the same or you need more instruction? If you need more information, what kind of more information do you need, just list the information you need. Davy buys UB stock (which pays no dividend) at $ 120 per share and worries that the stock price decline. To avoid losses. Hannah suggests to buy put option written on that stock, Melly recommend to sell can option written on the stock. Now, put option and call option of exercise strike price of $108 has a price of $9 for put option and $17 for call option respectively, per share. Options have maturity of 1 year. The 1 year interest rate is 8%. If there is ANY ARBITRAGE show strategies to get profits, if NOT write NO ARBITRAGE Now you want to SELL a PUT but it is NOT available. How can you synthetically make 'Selling a put option' using a Stock, Call option and a Bond with face value equal to K(string) price? For example, Sell Put + Buy Stock + Short-sell Bond etc...)NO BAND market OPEN