The best free stock trading AI for most U.S. investors is Public's Alpha AI assistant. It combines AI-powered stock research with a brokerage account, so you can review companies, earnings calls, SEC filings, financial data, analyst ratings, news and sentiment before placing a trade. Public says Alpha is available to all Public investors at no charge.
Public charges $0 for regular-hours trades in U.S.-listed stocks and ETFs. Extended-hours trading, OTC securities, options, margin and other transactions may involve fees. Public Investing is an SEC-registered broker-dealer and a FINRA/SIPC member.
Best Free AI Stock Tools at a Glance
| Tool | Best for | Free access | Main limitation |
|---|---|---|---|
| Public Alpha | AI research and stock trading | Free for Public investors; regular-hours U.S. stock and ETF trades are generally $0 | Requires a Public brokerage account; AI output is not financial advice |
| Danelfin | AI stock rankings and scores | Free plan includes daily rankings, 10 stock or ETF reports per month and one small portfolio | Does not execute trades; free explanations are limited |
| TradingView | Charting and conventional screening | Free charts and screeners | Its AI Screener is currently available to paid users |
| Tickeron | AI signals and pattern detection | Free trial available | A full-featured service requires a subscription |
Why Public Alpha Is the Best Overall Choice
Public Alpha is the best fit if you want AI-assisted research and trading in the same platform. You can use it to:
- Review a company's financial history
- Summarize earnings calls and SEC filings
- Compare companies and competitors
- Examine analyst ratings and market news
- Research stocks, ETFs, bonds and other assets
- Place trades through the same brokerage account
Public describes Alpha as an investment research assistant, not a financial adviser. Its responses may be inaccurate, incomplete or unsuitable for your situation. Check important information against company filings and other reliable sources before trading.
Public also offers AI Agents that can monitor conditions and run user-defined investing workflows. Access may depend on rollout or account availability, so Alpha is the more reliable free feature to assess first.
Best Free AI Stock Picker Without Opening a Brokerage Account
Danelfin is the best free option for AI-generated stock scores and rankings.
Its free plan includes:
- A daily top-10 stock newsletter
- Ten stock or ETF reports per month
- Top-10 rankings
- One portfolio with up to five stocks or ETFs
- Limited explanations of its AI Score
- Two long trade ideas
Danelfin uses an AI Score from 1 to 10 to rank stocks and ETFs according to its proprietary analysis. The free plan can help you build a watchlist, but Danelfin does not replace a brokerage account or execute trades automatically.
Why TradingView Is Not the Best Free AI Trading Tool
TradingView is useful for free charting, indicators and conventional stock screening, but its AI Screener is currently restricted to paid users. Free users therefore do not get the same natural-language AI screening available on a paid plan.
Is Tickeron Really Free?
Tickeron offers a free trial, but its full AI trading signals, pattern tools and trading robots are generally subscription-based. It is suitable for testing the service, not for investors looking for a permanently free AI trading platform.
The Important Limitation: No Free AI Guarantees Profitable Trades
No legitimate AI stock tool can guarantee profitable trades. The SEC, FINRA and NASAA warn that AI-generated investment information can be inaccurate, outdated or fabricated. Regulators also warn about unregistered auto-trading services that use AI claims to promote unrealistic or risk-free returns.
A safer way to use AI is to:
- Create a shortlist of companies.
- Summarize filings and earnings reports.
- Compare valuation, growth and risk factors.
- Identify questions that need further research.
- Test a trade idea before placing it manually.
Do not give an AI unrestricted control of a real-money account until you understand its instructions, permissions, execution rules and failure modes.
Final Verdict
- Best overall free stock trading AI: Public Alpha
- Best free AI stock scoring tool: Danelfin
- Best free charting companion: TradingView's non-AI tools
- Best option for beginners: Use Public Alpha or Danelfin for research, verify the information with company filings and place trades manually
Public Alpha is the best starting point if you want free AI-assisted research and a brokerage account in one place. Danelfin is a better fit if you want stock scores without opening a brokerage account.