How to read an option payoff chart ?

5 min read•Updated on 24 Oct 2026•by GeniAnalysis

Breakevens, maximum profit and loss, and the difference between the expiry line and the line for today.

An option position can be described in words, but it is understood in a picture. The payoff chart is that picture: what the position makes or loses at every price the underlying could reach.

It looks simple, a line across a grid. Most of what people misread about a position is visible on it, once you know which line you are looking at and what each part of it says.

The two axes

The horizontal axis is the price of the underlying. For a Nifty position, that is Nifty itself, running from some distance below today's level to some distance above it.

The vertical axis is the profit or loss of the whole position, in rupees, after the premium paid or received. Above zero is profit. Below zero is loss.

Every point on the line answers one question: if Nifty were at this level, what would the position be worth against what it cost?

The expiry line

The line most charts lead with is the expiry line. It shows the result if the position is held until the contract expires and the underlying settles at that price.

At expiry, an option is worth only its intrinsic value: how far it is in the money, or nothing. That is why the expiry line is made of straight segments with sharp corners. Each corner sits at a strike.

Take a single bought call. Nifty is at 24,000, and the 24,000 call costs 180. The Nifty lot is 65.

Below the strike the line is flat: the call expires worthless and the whole premium, 180 × 65 = ₹11,700, is lost. Above the strike it rises one point for every point Nifty rises.

Breakeven

The breakeven is where the expiry line crosses zero. For the bought call it is the strike plus the premium: 24,000 + 180 = 24,180.

It is worth noticing how far that is from the current price. Nifty has to rise 180 points by expiry for the position to make anything at all. A correct read on direction is not enough on its own; the move has to be large enough, and it has to arrive in time.

Positions with more than one leg can have two breakevens. A position that profits when Nifty stays inside a range has one at each edge of the range, and loses outside either.

Maximum profit and maximum loss

The flat parts of the expiry line are the limits of the position.

For the bought call, the loss is capped at the premium, because the line is flat below the strike. The profit has no cap, because the line keeps rising.

Add a second leg and both limits change. Buy the 24,000 call at 180 and sell the 24,200 call at 95:

• The net cost is 180 − 95 = 85 points, so the maximum loss is 85 × 65 = ₹5,525.
• Above 24,200, the sold call cancels out further gains, so the profit stops growing. The maximum profit is the distance between the strikes less the cost: 200 − 85 = 115 points, or ₹7,475.
• The breakeven moves down to 24,000 + 85 = 24,085.

The second leg has traded away the unlimited upside for a lower cost and a breakeven closer to the current price. The chart shows that exchange at a glance: a lower floor on the left, a ceiling on the right.

The line for today

Most payoff charts carry a second line, usually curved, that sits close to the expiry line without matching it. That is the position's value at an earlier date, often today.

Before expiry, an option is worth more than its intrinsic value. It also carries time value: what the market is willing to pay for the chance that the underlying moves further before the contract runs out. Time value has no corners. It is largest near the strike and fades away from it, which is why the line for today is smooth.

Two things move that line.

Time. As expiry approaches, time value shrinks, and the curved line sinks toward the straight one. Move the date forward on a chart and you can watch the curve close in on the corners. For a bought option this is the cost of waiting. For a sold option it is where the return comes from.

Implied volatility. Higher implied volatility makes every option more expensive, so it lifts the line for a bought position and lowers it for a sold one, without the underlying moving at all. A position can show a loss on the day after a volatility drop even if Nifty finished exactly where it started.

The gap between the two lines is the part of the position that is not yet settled. The expiry line says where things end. The line for today says where they stand now.

A range position, read off the chart

Sell the 24,000 call at 180 and the 24,000 put at 170, with Nifty at 24,000. This is a short straddle.

• The premium received is 350 points, or ₹22,750 a lot. That is the maximum profit, reached only if Nifty settles exactly at 24,000.
• The breakevens are 24,000 ± 350: 23,650 and 24,350.
• Beyond either breakeven the loss grows with no limit, one point for every point Nifty travels.

On the chart this is a tent: a peak at the strike, sloping down on both sides and crossing zero at the two breakevens. The line for today is a much lower, flatter hump inside it, because most of the premium is still time value that has not yet been earned.

Read that way, the chart describes the position precisely. It earns from time passing and from the price staying near the strike, and it carries open-ended exposure if the price leaves the range. Whether that is suitable for anyone is a separate question the chart does not answer.

What the chart leaves out

A payoff chart assumes the position is held as it stands. It does not show:

• Costs. Brokerage, exchange charges and taxes come off every leg.
• Margin. Sold options need margin, often a large multiple of the premium received. The chart shows profit and loss, not the capital tied up.
• Early exit. Most positions are closed before expiry, at whatever the line for that day says, not at the expiry line.
• Liquidity. The prices used are the last traded or the midpoint. Getting filled there, especially on far strikes, is not guaranteed.

Related

• The Greeks, in the order they matter
• Reading an option chain, column by column
• What max pain actually measures
• What a wall of open interest describes