FoundationNumeric answerFree solution
You are long a call. The stock settles at . What is the payoff, ignoring premium?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
Show the answer and worked solution
Answer
The payoff of a call at expiry is , so here it is . The floor at zero is the whole point of an option: you never have to exercise into a loss. The question asks for payoff rather than profit, which is deliberate. Profit subtracts the premium paid and would be negative if you had paid more than , and keeping the two apart is what lets you reason about breakevens cleanly.
Worked solution
- Formula
- Substitute
- Solve
- Answer
Takeaway: A payoff is floored at zero; the premium is a separate question.
Answer it in practice – your answer is marked and recorded.
Learn the method
Reported in interviews at
More options: fundamentals and arbitrage questions
- A stock trades at $50 and the $45 call trades at $7.Foundation
- You buy the $50 put for $3 and the stock settles at $44. What is your profit per share?Foundation
- You sell the $90 put for $2.50.Foundation
- You own stock bought at $100 and sell the $110 call against it for $3.Foundation
- A stock trades at $50. Which of these options is in the money?Foundation
- You buy 5 call contracts at a quoted price of $2.40.Foundation