Question

In: Finance

A call option’s payoff at maturity time T is CT =max(ST – K, 0). Which...

A call option’s payoff at maturity time T is CT = max(ST – K, 0). Which of the following is NOT true about this payoff?

Group of answer choices

The payoff is zero when the stock price at time T is less than or equal to the strike price, i.e., when ST ≤ K.

The payoff is negative when the stock price at time T is less than the strike price, i.e., when ST < K.

The payoff is positive when the stock price at time T is greater than the strike price, i.e., when ST > K.

The payoff can never be negative but the premium paid to acquire the option can be lost.

Solutions

Expert Solution

CT = max(ST – K, 0)

Option B is correct. The statement is NOT TRUE.

The payoff is negative when the stock price at time T is less than the strike price, i.e., when ST < K.

The payoff is either zero or positive for a long call option at maturity, but never negative.

The other options are incorrect because they are all true statements:

  • The payoff is zero when the stock price at time T is less than or equal to the strike price, i.e., when ST ≤ K. The call expires worthless (out of the money)
  • The payoff is positive when the stock price at time T is greater than the strike price, i.e., when ST > K. The call option expires in the money.
  • The payoff can never be negative but the premium paid to acquire the option can be lost. Absolutely true. That's the reason why option B is not true.

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