Free Stock Analysis Tools
Everything you need to research stocks, test strategies, and track smart money — powered by AI and real data from SEC filings. No credit card required.
AI Stock Forecasts
Updated dailyGet daily AI-generated directional outlooks for 30 stocks. Our model analyzes technicals, macro data, and sentiment to produce bullish/bearish calls with price targets updated every trading day at market close.
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Portfolio Backtester
26+ weeksSee how our AI forecasts have actually performed against real market returns. Full transparency: every past call is scored and published. View hit rates by confidence level and direction.
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Strategy Builder
CustomizableBuild and test custom investment strategies using our AI signals. Combine technical indicators, macro conditions, and sentiment triggers. Backtest across historical data before committing real capital.
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Stock Comparison Tool
30 stocksCompare any two stocks side-by-side: AI directional calls, price targets, P/E ratios, market cap, beta, dividend yield, and 6-month performance. Great for deciding between similar investments.
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Guru Portfolio Tracker
13F filingsTrack what Buffett, Soros, Dalio, Ackman, and other legendary investors are buying and selling. Updated quarterly from SEC 13F filings. See conviction scores and portfolio changes.
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Congress Trade Tracker
STOCK ActMonitor stock trades by U.S. Congress members disclosed under the STOCK Act. See which politicians are buying or selling, with trade sizes and timing. Updated from official disclosures.
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Earnings Breakdown
SEC EDGARView real earnings data filed with the SEC for every stock in our universe. Revenue, net income, EPS, and year-over-year growth — actual filed numbers, not estimates.
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Portfolio Builder
AI-poweredBuild a diversified portfolio using AI recommendations. Set your risk tolerance and investment goals, and get a custom allocation across our covered stocks with ongoing monitoring.
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Why Are These Tools Free?
We believe every investor deserves access to institutional-quality analysis tools. Our core tools — including AI stock forecasts, backtesting, stock comparison, and earnings data — are completely free with no credit card required. We generate revenue from optional premium features like real-time alerts, full commentary, and priority access to new tools.
All data comes from public sources: price data from major exchanges, earnings from SEC EDGAR filings, guru portfolios from 13F filings, and congress trades from STOCK Act disclosures. Our AI models add analysis on top of this publicly available data.
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We ship new tools every month. Get notified when new features launch + a free weekly digest of what smart money is buying.
Stock Analysis Tools — FAQ
What is the best free stock analysis tool?
Nexus AI offers a suite of free stock analysis tools including AI-powered forecasts updated daily, a portfolio backtester with 26+ weeks of data, stock comparison tools, and real earnings data from SEC filings. All tools are completely free — no credit card needed.
Can I backtest trading strategies for free?
Yes. Our backtester shows exactly how our AI forecasts have performed against real market returns. You can see accuracy by direction (bullish vs bearish), confidence level, and individual stock. All backtest data is publicly available.
How do I track what politicians are trading?
Our Congress Trade Tracker monitors stock transactions disclosed by U.S. Congress members under the STOCK Act. You can browse by politician, see recent trades, and track which stocks politicians are buying or selling. Updated regularly from official disclosures.
What stocks does Nexus AI cover?
We currently cover 30 major stocks and ETFs including QQQ, NVDA, AAPL, MSFT, AMZN, META, TSLA, GOOGL, AMD, AVGO, and more. Each stock gets daily AI analysis, earnings data, and comparison capabilities. Our coverage universe expands regularly.
Educational research only. Not investment advice. Past performance does not guarantee future results.