Best Free AI Research Tools for Investors

getquin

getquin tracks portfolios and net worth across connected accounts on web and mobile. Free covers core tracking; Premium adds AI, dividends, and advanced analysis; Wealth adds planning and retirement tools. The public pricing page lists Euro annual prices before local tax.

Snowball Analytics

Snowball Analytics tracks portfolios, performance, dividends, and allocations through web and mobile applications. It supports broker and file imports, multiple currencies, benchmarks, fund look-through, and historical portfolio tests. It is not a broker, registered adviser, or tax-filing service.

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.

Quartr

Quartr provides earnings calls, live transcripts, filings, reports, decks, estimates, AI chat, and investor-relations data. The app is useful for free call and transcript access; Pro and API serve professional research, MCP, webhooks, and integrations.

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

Alpha Spread

Alpha Spread combines DCF and relative-value estimates, stock reports, screens, alerts, analyst forecasts, watchlists, and a company-question assistant. Free use is metered weekly.

Fintel

Fintel brings short interest, off-exchange volume, institutional ownership, insider trades, ETF exposure, options sentiment, filings, screens, alerts, APIs, and AI research into ticker pages. It is useful for studying positioning and crowding before deeper fundamental work. Premium data, exports, options flow, AI, and portfolio tools depend on the plan, and the signals are inputs rather than recommendations.

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.

Quiver Quantitative

Quiver Quantitative provides dashboards, screens, alerts, backtests, and APIs for political trades, insiders, institutions, lobbying, government contracts, patents, apps, ETFs, dark pools, and other alternative data. Web Premium and Quiver API are separate products, and the signals can be noisy or delayed.

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.

Google Finance

Google Finance provides quotes, charts, financial news, watchlists, portfolios, earnings context, and AI-assisted research for signed-in users. It supports market monitoring, not brokerage execution or professional data feeds.

Unusual Whales

Unusual Whales tracks options flow, dark pools, congressional trades, insider activity, market data, alerts, screeners, and social sentiment. It is built for active traders and alternative-data research, not a broker, portfolio ledger, or guarantee that unusual activity predicts returns.

Roic AI

Roic AI provides company financials, ratios, valuations, transcripts, news, stock screens, spreadsheet add-ins, a REST API, and an MCP server. Plans differ by request rate, financial and transcript history, and commercial-use rights.

CatalystWire

CatalystWire's public scanner lists UK RNS announcements with keyword, semantic, and catalyst search. Its about page also claims SEC and other regulatory coverage, but current US results were not verified. Prices and account limits are unpublished.

Earnings Hub

Earnings Hub tracks earnings dates, estimates, results, calls, transcripts, filings, alerts, and watchlists. Its economic, dividend, and IPO calendars extend the event view beyond quarterly reports.

MoatMap

MoatMap combines daily Quality, Value, and Momentum scores with AI reports, insider filings, portfolio analysis, macro regimes, Top Picks, and investor lenses. Premium actions consume one-time Feather credits. Its market data and AI output still need source checks.

Stockcircle

Stockcircle combines company data with institutional holdings, insider transactions, and U.S. Congress disclosures. It is a research site, not a broker, portfolio-accounting system, or professional data terminal.

Trefis

Trefis combines public company data, valuation models, risk and return comparisons, trade ideas, and model portfolios. Its software also converts Excel models into web dashboards. Current paid tiers and prices are not published on its signup page.

TipRanks

TipRanks combines analyst ratings, targets, expert rankings, Smart Score, AI analysis, news sentiment, insider signals, hedge-fund activity, and portfolios. It is useful for comparing market views quickly, with Premium and Ultimate adding deeper expert, portfolio, export, and AI tools.

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.

13F Insight

13F Insight pulls institutional holdings, insider trades, and ownership filings into one research workspace. Its AI can answer questions with filing citations, but the filings arrive late and the generated summaries still need a check against the SEC documents.

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.

Screener.in

Screener.in is an India-focused stock screener with company pages, custom queries, watchlists, alerts, exports, filings, shareholding data, and Screener AI. Premium adds exports, higher alert limits, detailed peers, segments, concall notes, product trends, and AI credits. It is not a global broker.

Trading Economics

Trading Economics provides indicators, calendars, forecasts, market data, company financials, news, ratings, and events through web, REST, WebSocket, spreadsheet, BI, and AI integrations. It is data infrastructure for dashboards and pipelines, not a broker or adviser. Plans control streaming, limits, and commercial rights.

Tweenvest

Tweenvest is a stock research app with company dashboards, screens, watchlists, portfolios, transcripts, valuation tools, and AI analysis. It targets retail investors, with better coverage and AI features reserved for higher tiers.

AlphaResearch

AlphaResearch puts filings, transcripts, press releases, estimates, news, insider trades, ownership, and fund holdings in one searchable workspace. It is aimed at document-heavy research. Global coverage and spreadsheet add-ins require Enterprise, and the premium trial asks for a card.

Berkshire Hathaway Archive (Memorex)

Berkshire Hathaway Archive by Memorex is a free searchable collection of Warren Buffett shareholder letters and Berkshire annual-meeting transcripts. Search it for the company's thinking on capital allocation, incentives, moats, management, insurance, and long-term investing. It covers one company, not the wider market.

Changeflow (Trackly)

Changeflow, formerly Trackly, monitors web pages, PDFs, feeds, and API endpoints. It summarizes detected changes for review. It does not supply market prices or execute trades.

FactorsToday

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.

LuxAlgo

LuxAlgo combines market pages, technical indicators, screens, natural-language strategy generation, and AI Backtesting. Its paid algos integrate with TradingView, while generated strategies can use webhooks on compatible external platforms.

Reflexivity

Reflexivity is a sales-led AI research platform for professional investors that combines market, filing, transcript, portfolio, and scenario data into explainable outputs. It is enterprise infrastructure, not a self-serve retail app.

StockInsights.ai

StockInsights.ai summarizes filings and earnings calls, categorizes disclosures, monitors watchlists, and exposes company data through APIs and MCP. It covers U.S. and Indian markets. Commercial use, redistribution, webhooks, and custom workflows require Business or Solutions terms.

Tegus

Tegus is now part of AlphaSense. Its expert interviews, custom calls, financial models, filings, benchmarks, Excel tools, and AI research tools are built for professional diligence. AlphaSense does not publish Tegus prices.

The Ledger Terminal

The Ledger Terminal is a web fundamental-research service with one-page U.S. stock sheets, valuation charts, quality checks, screens, comparisons, and SEC-linked history. It is built for long-term business analysis, not trading or portfolio accounting.

TickerTrends

TickerTrends estimates public-company KPIs from search, web traffic, apps, social, reviews, news, transcripts, financial data, and consensus. It can add alternative evidence for investors and quants, but the signals are proxies and need validation.

Tijori Finance - Ideas Dashboard

Tijori Finance tracks Indian companies through idea lists, event feeds, financial data, screens, alerts, and portfolios. The free plan covers current data with account limits; Premium adds historical datasets, reverse DCF, comparisons, and higher limits.

Variant

Variant lets users build AI investment avatars and follow market commentary generated by other avatars. Account creation is free and does not require a credit card. Variant does not publish paid plan prices.

WallStreetZen

WallStreetZen combines stock screens, analyst forecasts, fair-value estimates, financials, ratings, insider and institutional activity, and portfolio tools. It is aimed at retail fundamental research, not brokerage execution or professional data delivery.