Options
Options Calculators
Free interactive tools for options pricing, Greeks, income strategies, and multi-leg strategy payoffs.
Whether you are pricing a single option, running a covered call for income, or structuring a multi-leg spread, these free options calculators give you instant, formula-accurate answers. Every calculator runs entirely in your browser — no account required.
Start with the options profit calculator or Black-Scholes calculator to evaluate a single option, then explore the income, volatility, and spread strategy tools below.
Options Calculators
Pricing & Greeks
Options Profit Calculator
Calculate profit or loss for any options strategy including single legs and multi-leg positions.
Use calculator02Black-Scholes Calculator
Calculate theoretical option price using the Black-Scholes option pricing model.
Use calculator03Option Greeks Calculator
Calculate Delta, Gamma, Theta, Vega, and Rho for any option position.
Use calculator04Max Pain Calculator
Calculate the max pain price where the most option contracts expire worthless at expiration.
Use calculatorIncome Strategies
Covered Call Calculator
Calculate returns and breakeven for a covered call strategy on any stock position.
Use calculator02Cash Secured Put Calculator
Calculate premium income, breakeven, and annualized return for cash secured put strategies.
Use calculatorVolatility Plays
Straddle Calculator
Calculate the breakeven points and maximum profit/loss for a long or short straddle strategy.
Use calculator02Strangle Calculator
Calculate breakeven and payoff for a long or short strangle options strategy.
Use calculatorVertical & Multi-Leg Spreads
Bull Call Spread Calculator
Calculate max profit, max loss, and breakeven for a bull call spread (vertical debit spread).
Use calculator02Bear Put Spread Calculator
Calculate max profit, max loss, and breakeven for a bear put spread (vertical debit spread).
Use calculator03Iron Condor Calculator
Calculate max profit, max loss, breakeven, and adjustment levels for an iron condor strategy.
Use calculator04Butterfly Spread Calculator
Calculate max profit, max loss, and breakeven for a butterfly spread options strategy.
Use calculator05Calendar Spread Calculator
Calculate the payoff and breakeven for a calendar spread (time spread) options strategy.
Use calculatorProtective Strategies
Collar Calculator
Calculate the cost, max profit, max loss, and breakeven for a collar (protective put + covered call) strategy.
Use calculator02Protective Put Calculator
Calculate the cost and breakeven of buying a protective put as insurance for a stock position.
Use calculator03Option Assignment Risk Calculator
Estimate the probability of early assignment for American-style options based on moneyness and dividend dates.
Use calculatorFrequently Asked Questions
What is an options calculator?
An options calculator is an interactive tool that computes option prices, Greeks, and strategy payoffs — profit, loss, and breakeven — from the inputs you enter, using standard options-pricing formulas like Black-Scholes.
Are these options calculators free to use?
Yes, all our options calculators are completely free to use. No account or subscription is required.
Which options calculator should I use first?
If you are evaluating a single call or put, start with the options profit calculator or Black-Scholes calculator. If you are running an income strategy, use the covered call or cash secured put calculators. For multi-leg strategies, use the spread and iron condor calculators.
Can these calculators handle multi-leg strategies?
Yes. The options profit calculator supports single and multi-leg positions, and dedicated calculators exist for common multi-leg strategies including straddles, strangles, vertical spreads, iron condors, butterflies, calendar spreads, and collars.
Can I use these calculators on my phone?
Yes, every options calculator on this page is fully responsive and works on desktop, tablet, and mobile devices.
Ready to evaluate your next options trade?
Start with the options profit calculator, then check the option Greeks calculator to understand your position's sensitivities.