Option Payoff Basics:
Profit, Loss and Breakeven
Before placing a single options trade, understand exactly what you can make, what you can lose, and at what price you break even — for both calls and puts.
Why payoff diagrams matter
An option's value does not move in a straight line. A call option is worth nothing if the market closes below its strike at expiry, but becomes progressively more valuable above the strike. Visualising this relationship — the payoff diagram — is the single most useful habit any options learner can build. It shows you, at a glance, where you profit, where you lose, and where the crossover point is.
The horizontal axis of a payoff diagram represents the price of the underlying (e.g. NIFTY) at expiry. The vertical axis shows profit or loss on the position. Everything else in options analysis builds on top of this foundation. If you haven't read what options are or the difference between calls and puts, start there first.
The long call payoff
When you buy a call option, you pay a premium upfront. In return, you get the right — but not the obligation — to buy the underlying at the strike price. At expiry, the call's value depends entirely on where the underlying has moved:
- If the underlying closes below the strike: the call expires worthless. You lose the entire premium paid — nothing more.
- If the underlying closes at the strike: the call is just at-the-money at expiry; intrinsic value is zero, and you still lose the premium.
- If the underlying closes above the strike: intrinsic value = (spot − strike). Your profit is that intrinsic value minus the premium paid.
Breakeven for a long call = Strike + Premium paid.
Maximum loss = Premium paid (fixed, occurs at or below the strike).
Maximum profit = Theoretically unlimited as the underlying rises.
The long put payoff
A put option gives you the right to sell at the strike price. It pays off when the underlying falls:
- If the underlying closes above the strike: the put expires worthless. You lose the premium paid.
- If the underlying closes below the strike: intrinsic value = (strike − spot). Your profit is that value minus the premium paid.
Breakeven for a long put = Strike − Premium paid.
Maximum loss = Premium paid.
Maximum profit = Strike − Premium (occurs if the underlying reaches zero, which is theoretical for an index).
This defined risk — where the maximum loss is always the premium paid — is the key distinguishing feature of buying options versus trading futures or short-selling.
Intrinsic value vs time value
An option's premium has two components: intrinsic value and time value. Intrinsic value is the amount the option is already in the money — for a call it is max(spot − strike, 0); for a put it is max(strike − spot, 0). Time value is everything else the market is willing to pay for the possibility that the option moves in the money before expiry.
At expiry, time value collapses to zero. Only intrinsic value remains. This is why the payoff diagrams above describe the position at expiry. Before expiry, the P&L line is a curve, not a straight line, because time value adds a cushion — a concept linked to theta decay and implied volatility.
A worked NIFTY example
Suppose NIFTY is near 22,500 (hypothetical scenario). You expect a moderate rally before the weekly expiry and decide to buy the 22,600 call. The premium is quoted at Rs 80 per unit.
- Lot size: 75 units. Total premium paid = 80 × 75 = Rs 6,000.
- Breakeven at expiry: 22,600 + 80 = 22,680.
- If NIFTY expires at 22,750: intrinsic value = 22,750 − 22,600 = 150. Profit per unit = 150 − 80 = 70. Profit on one lot = 70 × 75 = Rs 5,250.
- If NIFTY expires at 22,550: call expires out of the money. Loss = full premium = Rs 6,000.
Notice that the downside is completely bounded — you cannot lose more than Rs 6,000 no matter how far NIFTY falls. That is the essence of defined risk in options buying. For the inverse (buying a put to profit on a fall), the same maths apply with the direction reversed.
Seller's payoff — the mirror image
Every option buyer has a seller on the other side. The seller's payoff is the exact mirror image: the seller collects the premium upfront and keeps it if the option expires worthless, but faces growing losses as the option moves in the money against them. A call seller's maximum profit is the premium received; their loss is theoretically unlimited as the market rises. A put seller's maximum profit is the premium; maximum loss is the strike minus premium (if the underlying goes to zero).
This is why options selling carries undefined risk and requires margin from the broker — explored further in lot size and margin.
Combining payoffs: spreads and multi-leg strategies
Real traders rarely hold a single naked long option all the way to expiry. By combining a long call with a short call at a higher strike, for example, you create a bull call spread — a defined-risk, defined-reward structure. The payoff of any multi-leg strategy is simply the sum of each leg's individual payoff at each price point. Tools like the options calculator on TradePulse let you visualise combined payoffs in real time. You can also explore a wider set of frameworks on the option strategies page.
Common mistakes to avoid
- Treating premium as a small cost: Rs 80 per unit sounds modest, but over a 75-unit lot it is Rs 6,000. Always think in lot-level rupees.
- Ignoring time decay: A call can be directionally right but still lose money if it doesn't move fast enough before expiry. Time is always working against the buyer.
- Comparing ITM and OTM options by premium alone: A cheap OTM option needs a much larger move to reach breakeven. Check the breakeven level, not just the price.
- Forgetting transaction costs: STT, brokerage and exchange charges shift the breakeven further. Real breakeven is slightly higher (call) or lower (put) than the formula suggests.
Frequently asked questions
What is a payoff diagram in options?
A payoff diagram is a chart that shows an option position's profit or loss at expiry across a range of underlying prices. The horizontal axis is the underlying price at expiry; the vertical axis is profit or loss per lot. It makes the risk-reward profile of any option trade instantly visual.
What is the breakeven price of a call option?
For a long call, the breakeven price at expiry is the strike price plus the premium paid. For example, if you buy a 22,500 NIFTY call for a premium of Rs 120, the breakeven is 22,620. Above that level you profit; below it (down to zero) you lose up to the premium paid.
Is the maximum loss on a bought option limited?
Yes. When you buy an option (call or put), the maximum loss is always capped at the total premium paid, no matter how far the market moves against you. This defined-risk profile is one of the key advantages of buying options over trading futures.
How does lot size affect the actual rupee payoff?
The payoff per unit is multiplied by the lot size to get the rupee P&L. NIFTY's lot size is 75 contracts. If an option gains Rs 100 in value, the gain on one lot is Rs 7,500 (100 × 75). The premium you pay is also per unit, so a Rs 120 premium costs Rs 9,000 for one NIFTY lot.
See live option payoffs on TradePulse
Use TradePulse's free options calculator to model any call or put payoff with live NIFTY premiums.