Options calculators
that actually work.
Professional-grade tools for calculating profit/loss, breakeven points, and visualizing payoff diagrams. No sign-up required.
Strategy Calculators
Select a strategy to calculate potential outcomes
LEAPS & Convexity
Model 10x+ payout scenarios for long-term options with portfolio impact analysis
Straddle Calculator
Calculate long and short straddle positions with breakeven analysis and payoff visualization
IV Crush Calculator
Model how implied volatility collapse affects options after earnings and major events
Options Calculator
Calculate P/L for calls and puts with Greeks, time decay, and IV change scenarios
Iron Condor Calculator
4-leg credit spread calculator with max profit, max loss, and breakeven analysis
Covered Call Calculator
Generate income from stocks you own with annualized returns and assignment scenarios
Professional-grade tools for retail traders
Options trading is a game of probabilities. To succeed, you need the same mathematical rigor used by professional market makers. We built Payoff Curve to provide traders with the analytical depth required to navigate complex market cycles, completely free of charge.
Our platform eliminates the guesswork by visualizing the intersection of time, price, and volatility. Instead of relying on static charts, you can dynamically model how your positions will evolve as market conditions change.
- Quantitative Modeling
Leverage the Black-Scholes-Merton model to calculate real-time Greeks and theoretical option values.
- Zero-Data Retention
Your trades are your business. All calculations happen in your browser; we never store your data.
- Volatility Focused
Master the impact of IV expansion and contraction, the most overlooked factor in retail trading.
Responsible Trading
Derivatives involve substantial risk. Our tools are designed for educational exploration of strategy mechanics, helping you understand "max loss" scenarios before they happen in your real account.
Before engaging in actual trading, we strongly recommend studying the standardized disclosures provided by the Options Clearing Corporation:
Risk Disclosure Document (ODD)Disclaimer: Payoff Curve is an independent educational resource. We are not financial advisors and do not provide investment recommendations.
Frequently Asked Questions
Everything you need to know about our tools and methodology
Yes, Payoff Curve is 100% free. We provide professional-grade options calculators without any sign-up requirements, subscriptions, or hidden fees. Our mission is to make high-quality financial analysis tools accessible to all traders.
Our calculators use the industry-standard Black-Scholes-Merton model for option pricing and Greek calculations. While no model can perfectly predict market behavior, our tools provide highly accurate theoretical estimates consistent with professional trading platforms.
Absolutely. Payoff Curve is a privacy-first platform. All calculations are performed locally in your browser. We never store your trade data, strikes, or stock symbols on our servers.
The Black-Scholes model is a mathematical framework used to estimate the theoretical value of options. It considers factors like the current stock price, strike price, time to expiration, risk-free interest rate, and implied volatility to determine fair value and 'Greeks' (Delta, Gamma, Theta, Vega).