Stock Calculators

Model employee stock purchase plan returns, ESPP discount value, lookback benefit, share count, taxes, and sale scenarios from paycheck contributions.

Calculate your new average cost per share when buying additional shares at a lower price. Essential tool for managing bag holding positions with detailed breakdowns, interactive visualizations, and scenario analysis.

Calculate the beta coefficient of a stock from periodic returns, raw prices, or summary statistics. See alpha, R-squared, systematic vs unsystematic risk, and the CAPM expected return.

Calculate the profit or loss on a stock trade including broker fees and commissions. Gives ROI percentage, break-even analysis, fee impact, annualized return and a scenario comparison table across different exit prices.

Calculate post-split shares, adjusted share price, position value, cost basis, and fractional share handling for forward and reverse stock splits.