Best Free Portfolio Analysis Tools

PortfoliosLab

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PortfoliosLab is a web-based portfolio analytics platform for backtesting, optimization, risk metrics, correlations, screeners, and AI-assisted portfolio workflows. It is useful for comparing stocks, ETFs, funds, crypto, and model portfolios, with more history, imports, exports, and MCP access gated by paid tiers.

Portfolio Performance

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Portfolio Performance is a free, open-source, local-first desktop portfolio tracker for investors who want detailed performance accounting, TTWROR/IRR reporting, multi-currency support, rebalancing, imports, exports, and privacy without broker credential sync. It is strongest for hands-on investors willing to maintain transactions locally, while the mobile app is mainly a read-only companion unless optional dashboard subscriptions are used.

Stock Rover

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Stock Rover is a web-based stock, ETF, fund, and portfolio research platform for investors who want 800+ financial metrics, 20 years of historical fundamentals, deep portfolio analytics, dividend tracking, automated DCF-driven intrinsic value and Margin of Safety tools, printable research reports, stock ratings, broker-linked portfolios, and alerts. It is strongest for North American fundamental research and portfolio management, not for trade execution or full strategy backtesting.

Portfolio123

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Portfolio123 is a rules-based quant research and portfolio-management platform for investors who want stock and ETF screeners, ranking systems, factor research, realistic backtests, strategy simulations, portfolio tracking, broker connectivity, and API/DataMiner access. It is strongest for systematic investors who want point-in-time research workflows without building everything from code.

Testfol.io

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Testfol.io is a free web-based portfolio backtesting and analysis toolkit for investors who want to test allocations, cashflows, rebalancing rules, tactical signals, leverage, correlations, and historical risk/return before moving to a spreadsheet or paid analytics suite. It is strongest for portfolio-level experimentation rather than intraday monitoring or live account management. Anonymous use is available, while a free account unlocks higher limits, cloud saves, and sign-in-gated tools. Backtests depend on historical assumptions and end-of-day data, so they are not trade execution or forward-looking guarantees.

Snowball Analytics

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Snowball Analytics is an EU-based portfolio and dividend tracker for retail investors who want multi-asset tracking, broker import, dividend analytics, benchmarking, fund look-through, backtesting, and mobile access. It is useful for long-term portfolio monitoring, but it is not a broker, registered investment adviser, tax filing product, or professional performance-composite system.

Portfolio Visualizer

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Portfolio Visualizer is a web-based portfolio analysis suite for backtesting portfolios, testing asset allocations, running Monte Carlo simulations, optimizing allocations, analyzing factors, checking correlations, and researching funds. It is strongest for DIY investors, analysts, and advisors who want evidence for allocation, withdrawal, and risk decisions without building every model in spreadsheets. The free tier is useful but constrained, while Basic and Pro add larger portfolios, YTD results, saving, imports, exports, and commercial-use support on Pro. It is not a broker, live portfolio accounting system, or automatic rebalancing platform.

Sharesight

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Sharesight is a global portfolio, dividend, performance, and tax-reporting tracker for DIY investors, accountants, advisers, and family offices. It is built for keeping investment records and reports across brokers and asset types, not for placing trades, running intraday trading dashboards, or replacing a tax professional in complex filings.

Ziggma

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Ziggma is a web-based portfolio tracker and investment research workspace for self-directed investors who want account consolidation, stock and ETF screening, dividend tracking, portfolio checkups, smart alerts, impact analysis, and idea lists in one place. It fits users comparing portfolio tracker and stock portfolio tracker tools, especially when they want broker-agnostic monitoring rather than a trading app. Free access covers core research with limits; paid tiers unlock more broker links, stock scores, alerts, optimizer tools, model and guru portfolios, and larger virtual-portfolio workflows. It is not a broker, registered investment advisor, tax-lot accounting system, or full global market-data terminal.