What Is the Difference?

An option's payoff is what it is worth at expiration, and nothing else. A call with a $100 strike pays the share price minus $100 when the stock finishes above $100, and nothing when it finishes below.

Its profit is the payoff minus what you paid for the option, the premium. If that call cost $4.98, the stock must finish above $104.98 before the trade makes money. That price is the breakeven.

For a seller the signs flip. The seller collects the premium on the first day, and the payoff at expiration is zero or a loss. The seller's profit is the premium collected plus that payoff.

A payoff diagram draws the first line and a profit diagram draws the second. The two have the same shape: the profit line is the payoff line shifted down by the premium for a buyer, and up by the premium for a seller.
Art Deco illustration of two stacks of coins, with a smaller stack set apart beside a paper ticket

Remember

Four things to keep in mind when you read an option diagram.

  • A seller's profit is the premium collected plus the payoff at expiration, which is zero or a loss.

  • Buyer and seller are mirror images: before fees, one side's profit is the other side's loss, dollar for dollar.

  • A profit line has the same shape as the payoff line, shifted down by the premium for a buyer and up by it for a seller.

  • The breakeven is where profit is zero: the strike plus the premium for a call buyer, the strike minus the premium for a put buyer.

Reading the Chart

The chart prices three-month options on a $100 stock with 25% volatility, using the Black–Scholes model with zero interest. Each option has a $100 strike and costs $4.98.

Buy a call. The dashed payoff line sits at zero until the stock passes $100, then rises a dollar for every dollar. The coral profit line is the same line moved down $4.98. Below $100 the buyer loses the whole premium. The trade breaks even at $104.98, and every dollar above that is profit.

Sell a put. The seller's payoff is zero above $100 and falls a dollar for every dollar below it. Collecting the $4.98 moves the line up. Above $100 the seller keeps all of it. The trade breaks even at $95.02, and below that the losses grow.

A payoff diagram can make a trade look free: a long call's payoff never drops below zero. The profit diagram shows what the payoff hides, the premium you can lose.
Chart comparing payoff and profit at expiration for buying a $100 call and selling a $100 put, each priced at $4.98, with breakevens at $104.98 and $95.02

Where the Difference Matters

  • Comparing Strikes

    A call with a higher strike costs less, so it can pay more per dollar spent, but its breakeven sits further away. The profit diagram puts both facts on one line.

  • Selling for Income

    A seller's best case is keeping the whole premium. The profit diagram shows how far the stock can move against the seller before that cushion is gone.

  • Strategies with Several Legs

    Add the premiums paid, subtract the premiums received, and you have the net cost. Shift the combined payoff line by that amount to get the strategy's profit line.

FAQ

  • What is the difference between an option's payoff and its profit?

    The payoff is what the option is worth at expiration. The profit is the payoff minus the premium paid, for a buyer, or the premium received plus the payoff, for a seller.

  • How do you calculate the breakeven of an option?

    For a call, add the premium to the strike. For a put, subtract the premium from the strike. A $100 call bought for $4.98 breaks even when the stock finishes at $104.98.

  • What is the most an option buyer can lose?

    The premium. If the option expires worthless, the payoff is zero and the buyer's loss is everything paid for it, and no more.

  • What is the most an option seller can lose?

    A put seller can lose the strike minus the premium, if the stock falls to zero. A call seller who does not own the shares has no fixed limit, since the share price has no ceiling.

  • Does the profit calculation include interest on the premium?

    Simple payoff and profit diagrams leave it out, which is a good approximation for short-dated options. A more careful calculation grows the premium at the risk-free rate until expiration before subtracting it.

Learn to Read Payoff and Profit Diagrams

Our Stock Options course covers payoff and profit, breakevens, and the strategies built from calls and puts, along with the Greeks and implied volatility, in video lessons with quizzes.