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Free financial tools
Turn market ideas into informed decisions
Model growth, size risk, and test valuation assumptions with practical calculators designed for investors and traders.
Calculate
Use transparent inputs to explore possible outcomes.
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Popular calculators
Wealth planning
Portfolio Growth Simulator
Model contributions, fees, inflation, dividend growth, and explicit market-shock scenarios.
- Nominal and inflation-adjusted outcomes
- Transparent scenario assumptions
Trade risk
Position Size Calculator
Translate loss tolerance, invalidation distance, and execution costs into a disciplined size.
- Stocks, crypto, forex, and futures
- Reward-to-risk and stress context
Fundamental research
Stock Valuation Lab
Build bear, base, and bull discounted-cash-flow cases from dated, verified company figures.
- Five-year cash-flow model
- Sensitivity matrix and terminal-value warning
Portfolio insight
Understand duplicated exposure
ETF Overlap & Concentration Analyzer
Paste two published holding lists to calculate shared exposure, concentration, and the positions contributing most to the overlap. No holdings leave your browser.
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Calculator results are illustrative and depend entirely on the assumptions entered. They are educational tools, not predictions or individualized financial advice.