NVDA為例,現在138
Bear Call Spread: Sell ?call and Buy ? call, with a credit of $?
Ratio Put Spread: Buy ?Put and Sell 2 ? put, with a debit of $?
Bear Call Spread: Sell ?call and Buy ? call, with a credit of $?
Ratio Put Spread: Buy ?Put and Sell 2 ? put, with a debit of $?