TrendSpider Calculators Menu
-
Trading & Investing Calculators
- Trading risk & reward calculator
- Trade profit or loss calculator
- Compounding calculator
- Position size calculator
- Lot size calculator
- Pip value calculator
- Currency conversion calculator
- Amortization calculator
- CAGR Calculator
- Value at risk calculator
- Sharpe Ratio calculator
- Risk-Adjusted Return calculator
- Portfolio Rebalancing calculator
- Return Correlation calculator
- Cost Basis & Tax Lot calculator
- Annualized Return calculator
- Earnings Per Share (EPS) calculator
-
Technical
-
Investing
-
Options
-
Risk Management
-
Fixed Income
-
Free Spreadsheets
Options Calculators
Size your positions mathematically. Calculate the optimal position size based on your win rate and payoff ratio to maximize long-term compounded growth without overbetting.
-
Options Profit & Loss Calculator
Options Profit & Loss Calculator
Model any options trade before risking capital. Build single or multi-leg strategies (spreads, straddles, iron condors) and instantly see breakeven prices, max profit/loss, and complete P&L payoff diagrams across any price range at expiration. -
Options Greeks Calculator (Black-Scholes)
Options Greeks Calculator (Black-Scholes)
Understand how options move with price, time, and volatility. Calculate Delta, Gamma, Theta, Vega, and Rho using Black-Scholes to see exactly what drives your option's profit and loss at any market condition. -
Implied Volatility Calculator
Implied Volatility Calculator
Reverse-engineer what the market expects. Find the implied volatility from any option's current price to spot overvalued and undervalued options before entering your trade. -
Options Probability Calculator
Options Probability Calculator
Calculate your true odds of profit. See the probability distribution of where the stock will be at expiration and find your chance of profit at any strike using implied volatility. -
Covered Call Calculator
Covered Call Calculator
Generate income on your stock holdings. See maximum profit, downside protection, and annualized yield for covered call positions—then compare returns to simply holding the shares. -
Options Straddle & Strangle Calculator
Options Straddle & Strangle Calculator
Profit when the market moves—but not sure which direction? Calculate breakeven points, max profit, and max loss for straddles and strangles before the move happens. -
Iron Condor Calculator
Iron Condor Calculator
Build defined-risk income strategies. Calculate max profit in your sweet spot, max loss on both sides, and exactly where your breakevens land on both the upside and downside. -
Put/Call Ratio Analyzer
Put/Call Ratio Analyzer
Read what smart money is doing. Analyze put/call ratios to spot extremes in market sentiment and identify contrarian trade opportunities when fear or greed reaches extremes.