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stock market Calculators

Last updated: May 2026

Dividend Yield Calculator

Calculate the dividend yield of a stock by dividing its annual dividend per share by the current stock price.

Price-to-Earnings Ratio Calculator

Calculate the price-to-earnings (P/E) ratio of a stock — the price you pay for each dollar of earnings.

CAGR Calculator

Calculate the compound annual growth rate (CAGR) — the constant per-year rate that turns an investment's starting value into its ending value.

Stock Profit/Loss Calculator

Calculate the dollar profit or loss from a stock trade given buy price, sell price, and share count.

Beta Coefficient Calculator

Estimate a stock's beta — its sensitivity to market movements above the risk-free rate — from a single period's stock return, market return, and risk-free rate.

Market Capitalization Calculator

Calculate a company's market capitalization (market cap) by multiplying its current share price by total outstanding shares.

RSI Calculator

Calculate the Relative Strength Index (RSI) from average gains and losses to identify overbought (>70) or oversold (<30) conditions.

Earnings Yield Calculator

Calculate a stock's earnings yield — the inverse of P/E — as the percentage of earnings per share relative to current share price.

Price-to-Book Ratio Calculator

Calculate the price-to-book (P/B) ratio comparing a stock's market price against its book value per share.

Dividend Payout Ratio Calculator

Calculate what percentage of a company's earnings per share are paid out as dividends.

Dividend Yield Calculator

Calculate the dividend yield percentage on a stock — the annual dividend as a percentage of the current share price.

Stock DCF Valuation Calculator

Estimates the intrinsic value of a stock by discounting projected free cash flows back to today's dollars.

Options Price Calculator (Black-Scholes)

Calculates the theoretical fair value of a European call option using the Black-Scholes model.

Portfolio Rebalancing Calculator

Shows exactly how much of each asset class to buy or sell to restore your portfolio to its target allocation.

Stock Beta Risk Calculator

Calculates a stock's beta to measure its price sensitivity relative to the broader market.

Dollar Cost Averaging Calculator

Estimates the future value of a portfolio built through fixed recurring investments.

Stock Split Calculator

Instantly recalculates your share count and adjusted price after a forward or reverse stock split.

Margin Trading Calculator

Calculates how much equity you must put up and how much margin interest you'll owe when buying stocks on leverage.

EPS Growth Calculator

Projects a company's future earnings per share and implied stock price based on growth rate and P/E ratio.

Covered Call Calculator

Computes the annualised return on a covered call position based on the premium collected relative to the stock's cost.

Stock Profit & Loss Calculator

Calculates net profit or loss from a stock trade, factoring in buy/sell commissions.

Options Profit Calculator

Calculates the net profit or loss on a long call or put options trade at expiration.

Position Sizing Calculator

Calculates how many shares to buy so that a single losing trade never risks more than a set percentage of your account.

Dollar Cost Averaging Calculator

Estimates the future value of a portfolio built through fixed monthly investments at a consistent rate of return.

Stock Valuation Calculator

Estimates a stock's intrinsic value by blending the Gordon Growth dividend discount model with a P/E earnings approach.

Portfolio Beta Calculator

Compute the weighted beta of a multi-stock portfolio to measure its sensitivity to broad market moves.

Capital Gains Tax Calculator

Estimate the federal tax owed when you sell a stock or asset, distinguishing between short-term and long-term rates.

P/E Ratio Valuation Calculator

Calculate a stock's current P/E ratio and project its fair value based on expected earnings growth and industry multiples.

Market Capitalization Calculator

Compute a company's market capitalization and enterprise value in seconds using share price and balance-sheet data.

Beta Risk Calculator

Calculate a stock's beta and CAPM-based expected return using correlation, volatility, and market return data.

Earnings Growth Valuation Calculator

Estimate a stock's fair value by combining projected earnings growth with a target PEG ratio.

P/E Ratio & Valuation Calculator

Compute a stock's P/E ratio and compare it against the industry average to flag overvaluation or undervaluation.

Portfolio Diversification Calculator

Estimate the expected return of a diversified portfolio based on allocations across stocks, bonds, and alternative assets adjusted for risk tolerance.

Margin Trading Interest Calculator

Calculate the net profit or loss on a margin trade after subtracting borrowing costs over your holding period.

Retirement Withdrawal Calculator

Determine how much your retirement portfolio can sustainably provide each year, accounting for investment returns and inflation.

RSI Calculator

Compute the Relative Strength Index (RSI) from average gains and losses over a chosen period.

Sharpe Ratio Calculator

Calculate the Sharpe ratio to measure how much excess return your portfolio earns per unit of risk.