Option Profit & Loss Calculator
Payoff at expiry for a bought or written call or put, with the break-even price.
Profit at this price
₹13,500
- Total quantity
- 75
- Premium paid or received
- ₹9,000
- Intrinsic value at expiry
- ₹300 per unit
- Profit or loss per unit
- ₹180
- Break-even price
- ₹24,620
- Most you can lose
- ₹9,000
This is the payoff at expiry and ignores brokerage, exchange charges and taxes. Before expiry an option also carries time value, so the live price will differ. Practise option trades with virtual money on the VIA Trade Simulator.
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How it works
At expiry a call is worth whatever the underlying is above the strike, and a put whatever it is below. The buyer's result is that intrinsic value minus the premium paid; the writer's result is the premium received minus the intrinsic value.
The formula
Call payoff = max(Spot − Strike, 0) − Premium · Put payoff = max(Strike − Spot, 0) − Premium- Strike
- Strike price of the option
- Premium
- Price per unit paid or received
- Spot
- Price of the underlying at expiry
- Quantity
- Lots × lot size
Worked example
A 24,500 call bought at ₹120 with a 75 lot size breaks even at 24,620 and gains ₹13,500 if expiry is 24,800.
Pro tips
- Break-even is the strike plus the premium for a call, and minus it for a put.
- Before expiry the option also carries time value, so the live price will differ from this payoff.
Common mistakes
- Forgetting that a bought option can expire worthless and lose the entire premium.
- Writing options without accounting for the margin blocked and the open-ended loss.
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Concepts to explore
Institutional grade calculations are illustrative and for educational wealth architecture. Results do not constitute investment advice.