Backtesting tests your investment strategy against historical data to see how it would have performed before committing real money. It helps you evaluate returns, understand risk, and avoid strategies that only look good on paper.

Yes. Core features including backtesting, optimization, and Monte Carlo simulation are free. Premium and Professional plans unlock advanced features like leverage, additional comparison portfolios, and advanced estimation methods. AI features (AI Insights and AI Assistant) use AI Credits, included with paid plans.

Stocks, ETFs, mutual funds, bonds, and cryptocurrencies. Over 500,000 assets with up to 40 years of historical price data including dividends.

The Backtesting tool gives you a structured form to configure and run an analysis. The AI Assistant lets you describe what you want in plain English and handles the analysis for you - same data and calculations, different interface.

AI Insights reads your entire backtesting report - all metrics, charts, and comparisons - and surfaces the findings that actually matter. It assigns a risk score, matches your portfolio to an investor profile, and highlights key strengths and warnings.

Yes. The tools are designed for all experience levels. Metric definitions and formulas are documented and accessible inline throughout the app. The AI Assistant is also a good starting point - just describe what you want to analyze.