Nexus AI

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 daily

Get 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.

View today's picks

Portfolio Backtester

26+ weeks

See 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.

See backtest results

Strategy Builder

Customizable

Build 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.

Explore strategies

Stock Comparison Tool

30 stocks

Compare 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.

Compare stocks

Guru Portfolio Tracker

13F filings

Track 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.

Track gurus

Congress Trade Tracker

STOCK Act

Monitor 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.

View congress trades

Earnings Breakdown

SEC EDGAR

View 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.

View earnings data

Portfolio Builder

AI-powered

Build 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.

Build portfolio

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.

Get weekly tool updates

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.

Free Stock Analysis Tools — Portfolio Backtester, Strategy Tester, Stock Screener · Nexus AI