Options Breakeven Calculator – Calls, Puts, Spreads, Covered Calls and Straddles
The Options Breakeven Calculator helps you quickly find the underlying price at which your options strategy breaks even at expiration. Instead of manually working through each payoff diagram, this tool calculates breakeven levels for popular strategies such as long calls and puts, vertical spreads, covered calls, straddles and strangles.
Breakeven is a key concept in options trading. It shows the price where your strategy neither makes nor loses money before costs. Understanding breakeven levels helps you compare trade ideas, set realistic profit targets and manage risk with more clarity.
How the Options Breakeven Calculator Works
The calculator is divided into four modes:
- Single Option: Long calls and puts with standard contract size.
- Vertical Spread: Debit and credit spreads for calls and puts.
- Covered Call: Long stock plus short call income.
- Straddle / Strangle: Long volatility strategies using call and put combinations.
Each mode asks for a few inputs such as strike prices, premiums, and contract size. It then outputs breakeven prices and basic risk metrics like total premium, max profit or max loss.
Mode 1: Single Option Breakeven
This mode handles a single long call or long put.
Long Call Breakeven
Long Put Breakeven
The calculator also multiplies the premium by contract size and number of contracts to show total premium and total position cost.
Mode 2: Vertical Spread Breakeven
Vertical spreads combine a long and short option of the same type (call or put) with different strikes and the same expiration date. The calculator supports both debit and credit spreads.
Call Debit Spread (Bull Call)
Put Debit Spread (Bear Put)
Call Credit Spread (Bear Call)
Put Credit Spread (Bull Put)
The calculator multiplies per-share values by contract size and number of spreads to show total max profit and max loss.
Mode 3: Covered Call Breakeven
A covered call is created by buying shares of stock and selling a call option against those shares. The premium received from the call reduces your cost basis and defines the breakeven level.
Covered Call Breakeven
Covered Call Max Profit
The calculator shows breakeven price, max profit and downside protection percentage, which is the premium received divided by stock purchase price.
Mode 4: Straddle and Strangle Breakeven
Straddles and strangles are long volatility strategies where you buy both a call and a put.
Long Straddle Breakeven
Assuming the same strike for call and put:
Long Strangle Breakeven
When call and put strikes differ:
The calculator reports both breakeven levels and total position cost for your chosen contract size and number of contracts per leg.
Why Breakeven Matters in Options Trading
Breakeven prices give you a reference point for how much movement you need in the underlying asset before a strategy becomes profitable. Key benefits of knowing breakeven include:
- Comparing multiple trade ideas on the same underlying.
- Seeing how higher premiums shift breakeven further away.
- Understanding the impact of wider or narrower spread widths.
- Evaluating whether your directional forecast is realistic.
- Communicating risk and reward more clearly when planning trades.
Remember that real-world outcomes can differ from simple breakeven models due to changing volatility, early assignment, transaction costs and tax considerations.
How to Use This Calculator Effectively
- Use the Single Option tab to understand basic call and put breakevens.
- Switch to Vertical Spread mode when combining long and short legs to control risk.
- Try Covered Call to see how call income lowers your stock cost basis.
- Experiment with Straddle / Strangle to see how total premium affects required price move.
- Adjust premiums and strikes to test different market scenarios and volatility assumptions.
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Options Breakeven Calculator FAQs
Frequently Asked Questions About Options Breakeven
Get quick answers about how breakeven is calculated for calls, puts and multi-leg options strategies.
No. The breakevens shown are based on price and premium only. You can mentally adjust for commissions and fees if needed or include them by slightly modifying the premiums used.
Breakeven levels are theoretical and assume the position is held to expiration with no early assignment. Real results can differ due to volatility shifts, early exercise, adjustments and rolling.
Yes. You can replace the default 100-share contract size with any value used by your product (for example, mini contracts or alternative multipliers) and the totals will update accordingly.