Free options profit/loss calculator — compute potential gain, loss, and break-even for call and put options at any stock price with per-contract results.
Options give investors the right — but not the obligation — to buy or sell a stock at a predetermined strike price. The profit or loss on an option depends on where the underlying stock price ends up relative to the strike and the premium paid. Understanding the payoff profile before entering a trade is essential for risk management.
Our Options Profit/Loss Calculator computes the gain or loss for long call and long put positions at any stock price at expiration. Enter the option type, strike price, premium paid, and the number of contracts to see per-contract and total P/L, break-even price, and a payoff table across a range of stock prices. The payoff table is especially valuable because it transforms guesswork into a concrete map of outcomes. You can see at a glance the stock price where profits start, where they peak, and how much you stand to lose if the position goes against you.
Options trading involves asymmetric risk: you can lose the entire premium paid or earn multiples of it. This calculator helps you visualize the full payoff spectrum before placing a trade. Use it to compare different strikes and premiums, size positions appropriately, and set realistic profit targets and stop-loss levels. This discipline is what separates consistent options traders from those who rely on hope.
Call P/L per share = max(0, Stock Price - Strike) - Premium. Put P/L per share = max(0, Strike - Stock Price) - Premium. Per Contract = P/L per share x 100. Break-even: Call = Strike + Premium; Put = Strike - Premium.
Result: Profit: $2,000 ($10/share x 100 x 2 contracts)
You buy 2 call contracts with a $150 strike for $5/share premium. At expiration, the stock is at $165. Intrinsic value is $15 ($165 - $150), minus the $5 premium = $10 profit per share. With 200 shares (2 contracts), total profit is $2,000. Break-even is $155 ($150 strike + $5 premium).
An option payoff at expiration is determined by the relationship between the stock price and the strike price. For a call, the payoff is the stock price minus the strike (if positive) minus the premium. For a put, it is the strike minus the stock price (if positive) minus the premium. This creates the characteristic hockey-stick payoff diagram that defines options trading.
The key advantage of buying options is defined risk. Your maximum loss is capped at the premium, regardless of how far the stock moves against you. Meanwhile, the potential profit on a call is theoretically unlimited. This risk-reward asymmetry is why options are popular for speculation and hedging, but the trade-off is that most out-of-the-money options expire worthless.
Before entering a trade, always calculate the break-even price and ask whether the stock realistically can reach it before expiration. Consider implied volatility: high IV inflates premiums, making options expensive. Also factor in theta decay — options lose value every day, accelerating as expiration approaches. This calculator provides the foundation for informed options trading decisions.
The maximum loss is the total premium paid. If you buy 1 call contract for $5/share, your max loss is $500 (100 shares x $5). The option simply expires worthless if the stock does not reach the break-even price by expiration.
For a call, break-even = strike price + premium paid. For a put, break-even = strike price - premium paid. At these prices, the intrinsic value exactly offsets the premium, resulting in zero profit or loss (excluding commissions).
This calculator shows the payoff at expiration, when time value is zero and only intrinsic value remains. Before expiration, options have additional time value that affects the market price. Use the Implied Volatility Calculator for a more complete pre-expiration analysis.
A call is in-the-money (ITM) when the stock price is above the strike, and out-of-the-money (OTM) when below. For puts, it is reversed. ITM options have intrinsic value; OTM options rely entirely on time value and have no intrinsic value at expiration.
Commissions reduce profit and increase losses. Most brokers charge per-contract fees (e.g., $0.50-$0.65/contract). For small positions, commissions can materially impact the percentage return. Factor them into your break-even calculation for accuracy.
This calculator covers single-leg long calls and puts. For multi-leg strategies like spreads, straddles, and iron condors, calculate each leg separately and sum the results. The Covered Call Calculator handles that specific two-leg strategy.