VOL. XCIV, NO. 247
THE COMMUNITY-RANKED FREE INVESTING TOOL LEADERBOARD
Live community ranking · Top 16 free correlation tools
Best Free Correlation Tools for Investors
The free correlation platforms investors trust most, ranked by the people who actually use them.
Every tool here offers a genuine free tier, ranked by community votes and light editorial curation. We filtered 20 total correlation tools inside a directory of more than 369 investing platforms down to 16 free correlation platforms, so you can compare useful zero-cost options before moving into paid upgrades. Use this shortlist to compare pricing limits, platforms, and decision signals, then open any tool for the full breakdown.
Community-ranked · Free tiers only · Not financial advice
Top 10 Tools
- 1Top pick
ETF Insider analyzes stocks, ETFs, and mutual-fund portfolios for holdings overlap, concentration, correlations, exposure, and efficient-frontier tradeoffs. Full holdings and Excel export require Pro; API and white-label access require Enterprise.
Best forETF screeningPortfolio analyticsPortfolio trackingFund researchFactor screeningWatch-outsNon-US coverage unclearFull holdings depth is paid - 2
Investing.com combines quotes, charts, news, calendars, watchlists, alerts, portfolios, screens, and mobile monitoring. InvestingPro adds paid AI tools, stock ideas, valuation estimates, Health Scores, ProTips, and more fundamental data.
Best forMarket monitoringInvestment newsStock screeningChartingPortfolio trackingWatch-outsNot a broker or API productData latency varies - 3
FINVIZ is a fast US stock screener with heat maps, quote pages, news, insider activity, and watchlists. It turns a market overview into a stock list using fundamental and technical filters. The free version is delayed; Elite adds real-time data, intraday charts, alerts, exports, and deeper ETF and portfolio tools.
Best forStock screeningMarket mapsTechnical screeningInsider and institutional trackingPortfolio watchlistsWatch-outsU.S. market coverageFree data is delayed - 4
TradingView combines charts, screeners, alerts, Pine Script, paper trading, and broker connections across many asset classes. Basic is free. Paid plans raise chart, indicator, alert, watchlist, history, and portfolio limits. Some real-time exchange data costs extra.
Best forChartingTechnical analysisPaper tradingAlertsBroker-connected tradingWatch-outsReal-time market data can require add-onsFree plan has tight chart and alert limits - 5
Koyfin is a web and mobile research terminal with dashboards, charts, screens, portfolios, news, alerts, transcripts, and market data across equities, funds, macro, FX, commodities, crypto, and yield curves. Free access shows the workflow; paid and Advisor tiers add history, reports, alerts, integrations, and client portfolios. There is no public API.
Best forInvestment research workspaceStock screeningChartingPortfolio analyticsMarket monitoringWatch-outsNo public APISome downloads are vendor-restricted - 6
Stock Rover combines fundamental data, portfolio analytics, dividend tracking, valuation tools, reports, ratings, broker-linked portfolios, and alerts. Coverage centers on North American securities. It does not provide trade execution or full strategy backtesting.
Best forStock screeningETF screeningPortfolio analyticsFundamental researchResearch reportsWatch-outsNorth America-focused coverageFull strategy backtesting is not a formal feature - 7
PortfoliosLab offers portfolio backtesting, optimization, risk, correlations, screens, and AI-assisted workflows across stocks, ETFs, funds, crypto, and models. Paid plans add more history, imports, exports, and MCP access.
Best forPortfolio analyticsStrategy backtestingPortfolio trackingETF screeningStock screeningWatch-outsFree tier is smallNot brokerage accounting - 8
Portfolio123 combines stock and ETF screens, ranking systems, point-in-time backtests, portfolio tracking, broker links, DataMiner, and API access.
Best forQuant researchFactor screeningStrategy backtestingPortfolio trackingFinancial data APIWatch-outsAdvanced research is paidTrial access is temporary - 9
Portfolio Visualizer backtests allocations, runs Monte Carlo, optimizes portfolios, analyzes factors and correlations, and researches funds. It suits DIY investors, analysts, and advisers. Free is constrained; paid tiers add larger portfolios, saving, imports, exports, and commercial use. It is not a broker or live ledger.
Best forStrategy backtestingPortfolio analyticsQuant researchFactor screeningFund researchWatch-outsFree tier is constrainedAnnual billing - 10
MarketInOut screens stocks, ETFs, forex, and crypto with formulas, historical screens, strategy backtests, alerts, watchlists, portfolios, correlations, and one-time membership terms. It suits traders who want custom rules without a monthly SaaS bill. Free use is limited and there is no broker execution, sync, or automation.
Best forStock screeningTechnical screeningStrategy backtestingPortfolio alertsChartingWatch-outsFree access is limitedNo broker execution
- 11
Testfol.io is a portfolio backtesting site for allocations, cash flows, rebalancing, tactical signals, correlations, and historical risk and return. Free use remains available; paid tiers add analytics, uploads, downloads, alerts, and cloud features. Backtests use historical assumptions and are not execution or guarantees.
Best forStrategy backtestingPortfolio analyticsQuant researchPortfolio trackingWatch-outsFree account unlocks important limitsBacktesting is not execution - 12
Free historical portfolio analysis for European index-fund and ETF investors, with allocation comparisons and shareable portfolios.
Best forStrategy backtestingPortfolio analyticsFund researchWatch-outsIndex simulationHistory and currency - 13
FactorsToday publishes factor returns and stock exposures through web tools, downloads, and an open REST API. Its portfolio analysis, attribution, optimizer, factor builder, and hedge builder are research models, not brokerage or accounting systems.
Best forQuant researchPortfolio analyticsStrategy backtestingFinancial data APIAI agent data accessWatch-outsPricing not publishedAdvanced quant workflow - 14
okama is an open-source portfolio analytics toolkit with web widgets, a REST API, and Python for efficient frontiers, risk, Monte Carlo, cash flows, and historical market or macro data. It suits technical users who want reproducible analysis.
Best forPortfolio analyticsStrategy backtestingQuant researchMarket data APIPortfolio trackingWatch-outsDeveloper-oriented workflowNot account tracking - 15
Validea applies published guru and factor models to stocks through screens, reports, portfolios, and model strategies. It is for investors who want rules-based idea generation and backtests, not brokerage execution or a general market-data terminal.
Best forQuant researchFactor screeningStock screeningETF screeningStrategy backtestingWatch-outsModel returns are not live account returnsFull access requires a subscription - 16
MacroMicro visualizes economic cycles and markets through macro dashboards, ETF tools, institutional holdings, COT flows, events, correlations, backtests, and AI earnings summaries. It is a visual macro research service with paid exports and APIs. Higher plans control downloads, API access, commercial charts, and reuse rights.
Best forMarket monitoringMarket mapsETF screeningStrategy backtestingAI research workspaceWatch-outsDownloads and API are expensiveCommercial reuse is restricted
Want the complete picture?
Compare all 20 correlation tools, including premium upgrades and advanced tiers, to see exactly what you gain beyond a free plan.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.