Run the numbers, instantly
Trading math computed in your browser, plus a chart-reading quiz to sharpen your eye. No spreadsheets, no waiting.
Risk-to-reward calculator
Risk per share, reward per share, R:R ratio, and optimal position size from entry, stop, and target.
Stock dividend calculator
Estimate dividend income and reinvestment growth from price, yield, share count, and holding period.
Stock split calculator
New share count and adjusted price after any stock split, reverse splits included.
Stock return calculators
See what an investment in 12 major stocks would be worth today, using real historical prices.
Candlestick pattern quiz
Test your chart-reading skills against 33 bullish and bearish candlestick formations.