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Breakeven of a covered call on 100 shares

Question

You buy 100100 shares of a stock at $230 and simultaneously write one December call against them, collecting $10.50 per share. Below what share price at expiry does the combined position start to lose money?

Short answer

$219.50. The premium cushions the shares against a fall of up to $10.50, so the breakeven is 230−10.50=219.50230-10.50=219.50.

Adapted from QuantQuestions.io; question and answer rewritten by SelfMadeQuant.com.

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