Three call options on a stock have the same expiration date and strike prices of $52, $58, and $64. The market prices are $5, $6, and $9, respectively. For what range of stock prices would the butterfly spread lead to a positive payoff?

A stock price (which pays no dividends) is $20 and the strike price of a two year European put option is $25. The risk-free rate is 4% (continuously compounded). What is the lower bound for the put option?

The price of a stock is $32. A trader buys 1 put option contract on the stock with a strike price of $30 when the option price is $5. When does the trader make a net profit?

A stock price is currently $60. Over each of the next two three-month periods it is expected to go up by 6% or down by 5%. The risk-free interest rate is 5% per annum with continuous compounding. What is the value of a six-month European call option with a strike price of $61?

Three call options on a stock have the same expiration date and strike prices of $52, $58, and $64. The market prices are $5, $6, and $9, respectively. For what range of stock prices would the butterfly spread lead to a positive payoff?

A stock price (which pays no dividends) is $20 and the strike price of a two year European put option is $25. The risk-free rate is 4% (continuously compounded). What is the lower bound for the put option?

A stock price is currently $60. Over each of the next two three-month periods it is expected to go up by 6% or down by 5%. The risk-free interest rate is 5% per annum with continuous compounding. What is the value of a six-month European call option with a strike price of $61?

The price of a stock is $32. A trader buys 1 put option contract on the stock with a strike price of $30 when the option price is $5. When does the trader make a net profit?

Eye changes associated with aging include an opaque, bluish-white ring within the outer edge of the cornea and resulting in dry eyes, discomfort, and increased risk for corneal damage or eye infections.

Three-month call options with strike prices of $60 and $67 cost $7 and $4, respectively. What is the maximum gain when a bull spread is created by trading a total of 400 options?