Best Free Data Visualizations Tools for Investors

Perplexity Finance

Perplexity Finance combines cited AI answers with stocks, ETFs, funds, crypto, options, news, charts, screens, earnings documents, ownership, government-trading views, and a finance_search tool. Answers still need verification, and consumer plans are billed separately from the API.

Simply Wall St

Simply Wall St provides visual company reports, fair value estimates, dividend analysis, portfolio checks, broker imports, and global stock ideas. It suits long-term investors who prefer guided research to raw tables.

EPSMomentum

EPSMomentum focuses on earnings momentum and entry timing. It combines estimate revisions, post-earnings drift, timing signals, scanners, AI analysis, and market dashboards for U.S. stocks and ETFs.

MetricSide

MetricSide is a free fundamentals site for quarterly trends, valuation ratios, cash flow, margins, balance sheets, and a transparent 100-point health score. It is a quick first pass on listed stocks, with narrower coverage than a full database. Check important figures against filings.

TIKR

TIKR is a browser equity-research terminal for global fundamentals, statements, estimates, valuation, transcripts, filings, and screens. It suits long-term stock research; paid plans add history, coverage, exports, and higher workflow limits.

Portfolio Performance

Portfolio Performance is a free open-source desktop tracker for detailed performance accounting, TTWROR and IRR, currencies, rebalancing, imports, and privacy without broker credentials. It suits hands-on investors willing to maintain local transactions, with a mostly read-only mobile companion.

Stock Unlock

Stock Unlock combines stock and ETF scores, screens, DCF tools, comparison charts, watchlists, and portfolio tracking. It is aimed at retail investors who want a guided research workflow, with deeper tools and usage limits set by plan. Model outputs still need independent review.

Stock Rover

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.

PortfoliosLab

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.

GammaWins Calculator

GammaWins Calculator models option profit and loss, value, Greeks, volatility, and strategy changes across price and time. The core calculator is free. Calculator Pro costs $29 monthly or $299 annually and adds historical market snapshots, volatility-surface analysis, and multi-date or multi-price charts. Market data is delayed by 15 minutes, and the service does not execute trades.

Marketgenius

Marketgenius is a free stock-research site with global index heatmaps, superinvestor portfolios, a stock screener, company fundamentals, ownership data, valuation tools, dividends, short interest, and financial calculators. It is not a broker, terminal, portfolio tracker, or public API.

SentiSense

SentiSense is a beta AI market-intelligence and data API service for stock data, sentiment, news clusters, social signals, institutional flows, insider trades, congressional disclosures, and generated analysis. It supplies research signals, not brokerage or advice.

FRED (Federal Reserve Economic Data)

FRED is the Federal Reserve Bank of St. Louis' free macroeconomic database. Use its series, charts, release calendar, Excel tools, mobile apps, and REST API for inflation, rates, GDP, employment, FX, credit, and market indicators. It is macro context, not equity fundamentals or brokerage infrastructure; API access needs a free key.

ETF Research Center

ETF Research Center looks through the ETF wrapper into constituent fundamentals, valuations, overlap, stock-locator searches, portfolio construction, and fund reports. It is useful when the question is what an ETF really owns.

MesoSim

MesoSim is an options backtesting service with low-code strategies, multi-leg simulations, risk graphs, Greeks, volatility surfaces, margin models, and paper or live workflow paths. It is options research, not general stock research or portfolio accounting.

ORTEX

ORTEX combines short interest, securities lending, options flow, and trading-signal data for active investors, analysts, and data teams. Deeper web and API access sits behind paid tiers. It is a signal service, not a broker or portfolio ledger.

Prospero.ai

Prospero.ai is a mobile signal app for US stocks and ETFs. It provides 10 relative scores, daily screens and picks, watchlists, and educational pages. Its app page labels signal alerts as coming soon; it does not provide trade execution or a public API.

Seeking Alpha

Seeking Alpha combines market news, contributor research, Quant Ratings, analyst ratings, portfolio alerts, screens, and earnings transcripts. It is useful for idea generation and monitoring. Premium and PRO add deeper research, AI summaries, full transcripts, factor grades, and portfolio tools.

Portfolio123

Portfolio123 combines stock and ETF screens, ranking systems, point-in-time backtests, portfolio tracking, broker links, DataMiner, and API access.

Yahoo Finance

Yahoo Finance covers quotes, charts, news, screens, earnings, analyst data, portfolios, watchlists, and basic research across stocks, funds, and crypto. Advanced history, exports, and data access depend on paid products or separate providers.

ECB Data Portal

The European Central Bank's free portal provides euro-area statistics, policy rates, exchange rates, yield curves, macroeconomic series, metadata, and an SDMX API.

FT Markets (Markets data - Financial Times)

FT Markets brings Financial Times market data close to global equities, funds, ETFs, bonds, commodities, currencies, watchlists, portfolios, alerts, charts, and screens. It is useful for FT readers who want market tracking beside the newsroom. Market data is delayed by at least 15 minutes, and saving tools requires a free FT account.

Office of Financial Research (U.S. Treasury)

The Office of Financial Research publishes U.S. Treasury financial-stability monitors, funding data, money-market transparency, bank risk views, and hedge-fund datasets in public JSON and CSV. It supports macro and market-structure research, not real-time trading, stock screens, or portfolio tracking.

OptionCharts

OptionCharts visualizes option payoffs, Greeks, volatility skew, expected moves, gamma and delta exposure, contract history, and market-wide trends. It is for options research and chart exports, not brokerage, a public data API, or guaranteed real-time access on every plan.

Portfolio Visualizer

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.

Track Your Dividends (TYD)

Track Your Dividends tracks U.S. income portfolios through Plaid links or manual holdings, with alerts, forecasts, and paid research. It is useful for dividend monitoring; deeper screens, scores, analysis, and unlimited linked accounts are Premium.

GuruFocus

GuruFocus combines global fundamentals, valuation, GF Score, GF Value, stock, ETF, and bond screens, backtests, guru and institutional holdings, insider trades, portfolios, spreadsheet add-ins, and APIs. It is built for fundamental and value research, not brokerage execution.

CapEdge

CapEdge combines SEC filings, transcripts, financials, ownership data, IPO tracking, ETF exposure, and short-interest data. It is free, but some tables require an account.

ETF Insider

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.

OpenInsider

OpenInsider is a free SEC Form 4 screener for insider buying, selling, cluster buys, and transaction reports. It is useful for quick table-based research, but there is no formal support SLA, mobile app, or documented public API.

FX Replay

FX Replay lets traders replay forex, futures, stocks, crypto, and commodity markets in a browser. It supports multi-chart sessions, multi-asset tests, journaling, checklists, risk simulation, CSV import, and an economic calendar. It does not automate strategies or place live broker orders.

HedgeFollow

HedgeFollow organizes SEC filings into fund, stock, insider, congressional, and ETF views. Its portfolio tools combine reported institutional positions, but those filings do not show current portfolios.

ChartMill

ChartMill is a browser screener and charting service for U.S., Canadian, and European stocks and some ETFs. It supports technical and fundamental screens, swing-trading ideas, watchlists, alerts, dashboards, ratings, and strategy templates. It is still a research tool, not a broker or full portfolio ledger.

Delta by eToro

Delta by eToro is a read-only tracker for stocks, ETFs, funds, crypto, NFTs, forex, commodities, indices, brokers, exchanges, and wallets. Use it to see several accounts in one place. It adds visibility, not another trading venue.

Finbox

Finbox combines global stock screens with company financials, valuation models, charts, watchlists, and spreadsheet exports. Investors can move from a screen into a company model or peer comparison. Regional access and export rights depend on the subscription.

FullRatio

FullRatio provides screens, financial profiles, scores, charts, valuation bands, dividend fields, watchlists, alerts, and peer comparisons for US-listed stocks. Prices are delayed and financial data is generally updated quarterly. It does not provide trade execution, intraday tools, portfolio accounting, or a public API.

Global Factor Data (JKP Factors)

Global Factor Data publishes equity factor returns, underlying portfolios, industry returns, reference files, and construction code. It covers 153 published factors across 93 countries and four regions. The data is for noncommercial research, not live trading.

Google Trends

Google Trends measures relative search interest by place and time. Investors use it to watch attention, demand proxies, brand momentum, consumer themes, and news spikes. The index is normalized, not exact query volume or revenue. The web interface is broad, while official API access is limited and BigQuery covers selected queries.

OpenMarket

OpenMarket combines market charts, order-book heatmaps, footprints, watchlists, alerts, and custom kScript indicators in a web workspace. It covers crypto, stocks, futures, FX, metals, prediction markets, and economic data. Free charting and a separate Data API free tier are available; Plus adds higher limits and heavier order-flow tools.

ProjectionLab

ProjectionLab models income, spending, investments, life events, financial independence, and estate outcomes. It supports what-if plans, Monte Carlo, historical tests, cash flow, and estimated tax. Basic is free; Premium adds deeper planning and Pro adds adviser tools. It is a manual model, not an account aggregator or broker.