Option Type
Position
Option Details
Each contract controls 100 shares. Total cost = premium x 100 x contracts.
Option P&L Analysis
Enter option details and click calculate.
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What This Calculator Does
This options profit and loss calculator computes the payoff, break-even price, maximum profit, and maximum loss for call and put options in both long (buy) and short (sell/write) positions. It breaks down intrinsic value versus time value and calculates the return percentage at your target price. Options are derivative contracts that give the holder the right, but not the obligation, to buy (call) or sell (put) a stock at a specified strike price before or at expiration.
The Formula
For a long call, profit equals the stock price at expiration minus the strike price, minus the premium paid, multiplied by 100 shares per contract. The call is profitable when the stock price exceeds the break-even (strike + premium). For a long put, profit equals the strike price minus the stock price at expiration, minus the premium. A put is profitable when the stock falls below the break-even (strike - premium). Short (written) options reverse the profit/loss: the writer collects premium but takes on the obligation.
Step-by-Step Example
Select option type and position
Long call option. You are buying the right to purchase shares at the strike price.
Enter option details
Strike price: $150. Premium: $5.50 per share. 1 contract (100 shares). Total cost: $550.
Set target price
Current stock price: $148. Target at expiration: $165.
Review P/L analysis
Break-even: $155.50. Profit at $165: ($165 - $150 - $5.50) x 100 = $950. Return: +172.7%. Max loss: $550 (premium paid).
Real-World Use Cases
Trade Planning
Evaluate the risk/reward profile of an options trade before committing capital by seeing exact break-even, max profit, and max loss.
Strategy Comparison
Compare the payoff of buying calls versus puts, or long versus short positions, on the same underlying stock.
Position Sizing
Determine how many contracts to trade based on the maximum loss you are willing to accept.
Common Mistakes to Avoid
Forgetting that each contract controls 100 shares. A $5 premium costs $500 per contract, not $5.
Not accounting for time decay (theta). Options lose value as expiration approaches, even if the stock price does not move.
Selling (writing) naked calls without understanding the unlimited loss potential. A short call can lose far more than the premium collected.
Ignoring implied volatility. High IV means expensive premiums. Buying options before earnings when IV is elevated can result in losses even if the stock moves in your direction (IV crush).
Holding options until expiration. Most profitable option trades are closed before expiration to capture remaining time value.
Frequently Asked Questions
Accuracy and Disclaimer
Options trading involves significant risk and is not suitable for all investors. You can lose your entire investment. This calculator provides simplified at-expiration payoff analysis and does not account for early exercise, dividends, implied volatility changes, or commissions. Consult a financial advisor before trading options.
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