Cost Basis Calculator
Free cost basis calculator - compute gain or loss per lot using FIFO, LIFO, or average cost methods for stocks, ETFs, and mutual funds.
Free Stocks & Options Calculators
16 toolsStock analysis, dividends, options, and equity valuation tools. Browse our free stocks & options tools below — no sign-up required.
Covered Call Calculator
Free covered call calculator — compute maximum profit, break-even, downside protection, and return scenarios for selling calls against stock you own.
Dividend Income Calculator
Free dividend income calculator. Estimate your annual, quarterly, and monthly dividend income from stocks and project income growth over time.
Dividend Reinvestment (DRIP) Calculator
Model dividend reinvestment over time. See how reinvesting dividends compounds share count and income, and compare DRIP vs. taking cash dividends.
Dividend Yield Calculator
Calculate dividend yield from stock price and annual dividend. Compare trailing and forward yields, annual income, and yield on cost for any stock.
Earnings Per Share (EPS) Calculator
Calculate basic and diluted Earnings Per Share from net income, preferred dividends, and share count. Essential for stock valuation and P/E analysis.
Implied Volatility Calculator
Free implied volatility calculator. Estimate IV from option market prices using the Black-Scholes model and understand volatility crush effects.
Market Capitalization Calculator
Calculate market capitalization from share price and shares outstanding. Classify any company as micro, small, mid, large, or mega cap.
Options Break-Even Calculator
Free options break-even calculator. Find the exact stock price where your call or put option breaks even at expiration, including premium cost.
Options Profit/Loss Calculator
Free options profit/loss calculator — compute potential gain, loss, and break-even for call and put options at any stock price with per-contract results.
PE Ratio Calculator
Calculate the Price-to-Earnings ratio for any stock. Compare trailing and forward P/E, understand valuation context, and evaluate if a stock is overvalued or undervalued.
Price-to-Book Ratio Calculator
Calculate the Price-to-Book (P/B) ratio to assess stock valuation relative to net asset value. Compare market price to book value per share.
Put Option Profit Calculator
Free put option profit calculator — compute P/L, break-even, and max profit for long put positions at any stock price with per-contract totals.
Stock Profit Calculator
Free stock profit calculator. Calculate your total profit or loss from buying and selling stocks, including commissions, taxes, and percentage return.
Stock Split Calculator
Free stock split calculator — compute new share count and adjusted price per share for forward and reverse stock splits with no change in total value.
Stock Total Return Calculator
Calculate total stock return including price appreciation and dividends. See your annualized return, dollar gain, and the impact of dividend reinvestment.