Stock analysis, dividends, options, and equity valuation tools. Browse our free stocks & options tools below — all calculators are instant, accurate, and require no sign-up.
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.
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 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.
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.
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 instantly.
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 instantly.
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 Total Return Calculator — Calculate total stock return including price appreciation and dividends. See your annualized return, dollar gain, and the impact of dividend reinvestment.
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.