Stock Market Insights
In-depth guides on investing, trading strategies, dividends and financial tools.
Portfolio Diversification Calculator: What It Is, How It Works, and How to Build a Truly Diversified Portfolio
Learn what portfolio diversification is, how it reduces unsystematic risk, what the Herfindahl-Hirschman Index (HHI) measures, the difference between asset class and sector diversification, common diversification mistakes, and how to use our free Portfolio Diversification Calculator Pro to score your portfolio, analyze allocation, estimate risk, compare to benchmarks, and generate a rebalancing plan.
Read article →Kelly Criterion Calculator: What It Is, the Formula, and How to Use It for Optimal Position Sizing
Learn what the Kelly Criterion is, how the f* = (b×p − q) ÷ b formula works, why Full Kelly is aggressive in practice, the difference between Full and Half Kelly, how to apply it to stock trading, and how to use our free Kelly Criterion Calculator Pro to find your optimal position size, run win probability scenarios, allocate a multi-asset portfolio, and simulate bankroll growth.
Read article →Margin Call Calculator: What Is a Margin Call, How It Works, and How to Avoid It
Learn what a margin call is, what causes it, when brokers trigger it, the difference between a margin call and a force sell, and how to use our free Margin Call Calculator Pro to find your exact margin call price, analyze leverage, run price scenarios, and compare broker requirements.
Read article →Maximum Drawdown Calculator: What MDD Is, How to Measure It, and How to Use It to Manage Investment Risk
Learn what maximum drawdown (MDD) is, how to calculate it from a price or return series, what it means for investment risk, the mathematical asymmetry of recovery, drawdown-based metrics like Calmar ratio and Ulcer Index, and how to use our free Maximum Drawdown Calculator Pro.
Read article →Sharpe Ratio Calculator: What the Sharpe Ratio Is, How to Calculate It, and How to Use It to Evaluate Any Investment
Learn what the Sharpe ratio is, how to calculate it step by step, what high and low values mean, how it compares to the Sortino and Calmar ratios, its key limitations, and how to use our free Sharpe Ratio Calculator Pro with five analysis modes.
Read article →Value at Risk (VaR) Calculator: What VaR Is, How to Calculate It, and Why Every Investor Needs It
Learn what Value at Risk (VaR) is, its three key components, all three calculation methods (historical, parametric, Monte Carlo), CVaR/Expected Shortfall, multi-asset portfolio VaR, VaR backtesting, and how to use our free VaR Calculator Pro with five analysis modes.
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