How to Read an Options Payoff Diagram
Use expiration payoff curves to compare long and short calls or puts, breakeven prices and risk limits.
The concept in plain English
This options profit calculator models one long or short call or put at expiration. It combines strike, premium, contract count and multiplier to show payoff, breakeven and maximum profit or loss. It does not price options before expiry or build multi-leg strategies.
Open Options Strategy Payoff VisualizerPayoff at expiry is not today's sale value
An expiration chart removes time value and describes an outcome at a particular underlying price. An option sold earlier can have a different result even at that same stock price. This tool models one call or put, not a multi-leg spread or a probability of profit. Verify the contract multiplier and settlement terms. A short call can have theoretically unlimited loss, while assignment or exercise may create an underlying position outside this chart.
One long call at expiration
One call with a $100 strike, $5 premium per share and 100-share multiplier; the underlying finishes at $112.
Intrinsic value = $112 − $100 = $12. Net payoff = ($12 − $5) × 100 = $700.
$700 expiration profit, a $105 breakeven and a $500 maximum premium loss before costs.
Before expiration, the option price also depends on time and volatility. This tool is not an option-pricing model.
Calculation method
Call intrinsic value is max(price − strike, 0); put intrinsic value is max(strike − price, 0). Premium is added or subtracted by long or short direction and scaled by contracts.
| Input | Purpose |
|---|---|
| Option type | Selects call or put intrinsic value. |
| Position side | Selects long or short payoff. |
| Strike and premium | Defines exercise level and upfront option price. |
| Contracts | Scales the expiration payoff. |
Step-by-step workflow
- Choose call or put and long or short direction.
- Enter strike, premium, contracts and contract multiplier.
- Inspect breakeven, risk limits and the payoff curve across underlying prices.
Practical benefits
- Turns option terms into a visual payoff shape.
- Identifies expiration breakeven quickly.
- Shows when profit or loss is capped or theoretically unbounded.
Questions about Options Strategy Payoff Visualizer
What is an options breakeven price?
At expiration, it is the underlying price where intrinsic value offsets the premium and modeled payoff equals zero before additional costs.
Why can a short option show unlimited loss?
An uncovered short call can lose as the underlying rises without a fixed ceiling. Other strategies can also carry substantial assignment risk.
Does the chart show time decay?
No. It shows payoff at expiration. Before expiration, time value and implied volatility can materially change the option price.
Sources and further reading
Examples are hypothetical and exclude costs unless stated. This is educational material, not individualized investment or tax advice. Read our methodology and risk disclosure.