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NISM Certifications · NISM-Series-VIII: Equity Derivatives · Introduction to Options

An investor buys a put option on a stock with strike Rs 500 for a premium of Rs 18. What is the breakeven price of the stock at expiry for the put buyer?

The breakeven for a long put is the strike price minus the premium paid. Here that is 500 minus 18, giving Rs 482. Below this price at expiry the put buyer earns a net profit, and above it the buyer has a net loss.

  1. ARs 518
  2. BRs 482Correct
  3. CRs 500
  4. DRs 464

Explanation

A put buyer profits only when the spot falls below strike by more than the premium. Breakeven = strike - premium = 500 - 18 = Rs 482. Rs 518 is the call breakeven formula, wrongly applied here.

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