Long Call Options Calculator
Calculate max profit, max loss, and breakeven for a long call position. See the full P&L chart at expiration.
Buy a call option to profit from an upward move in the underlying stock. Your risk is limited to the premium paid. Profit is theoretically unlimited.
Strategy Legs
How the Long Call Strategy Works
A long call is the simplest bullish options strategy. You buy a call option, paying a premium upfront, and profit when the underlying stock rises above the strike price plus the premium you paid. Your risk is limited to the premium — you can never lose more than what you paid.
This calculator shows you the exact breakeven price, maximum loss (the premium), and how profit scales as the stock moves higher. The P&L chart gives you the full picture at expiration so you can evaluate whether the risk is worth the potential reward before entering the trade.
Long calls are popular because they give you leveraged upside exposure with a defined maximum loss. One contract controls 100 shares, so a $5 premium costs $500 but gives you exposure to $10,000+ worth of stock. The tradeoff: time decay works against you every day. If the stock doesn't move fast enough, you lose the premium even if it eventually goes your way.
Formula
Breakeven = Strike Price + Premium Paid. Max Loss = Premium × 100 × Contracts. Max Profit = Unlimited.
Example
You think AAPL will rally after earnings. It's trading at $185. You buy a $185 call for $5.00.
Your cost is $5.00 × 100 = $500 per contract. Breakeven is $185 + $5 = $190. If AAPL hits $200, your profit is ($200 − $190) × 100 = $1,000. If AAPL stays below $185, you lose the full $500 premium. The P&L chart shows this hockey-stick shape — limited loss on the left, accelerating profit on the right.
Frequently Asked Questions
When should I buy a call option instead of buying stock?
Buy calls when you want leveraged upside with limited risk, when you have a specific catalyst or timeframe in mind, or when you want exposure to an expensive stock without tying up capital. Calls are not better than stock for long-term holds — time decay makes them expensive to maintain.
How does time decay affect long calls?
Time decay (theta) reduces your option's value every day. It accelerates as expiration approaches — an option loses more value per day in the final 30 days than in the prior 60. This is why long calls need the stock to move quickly. Buying options with 45-60 days to expiration gives you time while limiting theta impact.
What strike price should I choose for a long call?
ATM (at-the-money) calls have the highest dollar-for-dollar sensitivity to stock movement but cost the most. OTM (out-of-the-money) calls are cheaper but need a larger move to profit. ITM (in-the-money) calls behave more like stock but offer less leverage. Most traders use ATM or slightly OTM calls.
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Disclaimer: This calculator is for educational purposes only and does not constitute financial advice. Trading involves substantial risk of loss. Past performance does not guarantee future results. Always do your own research and consult with a licensed financial advisor before making investment decisions.