Best AI Stock Chat Assistants (Oct 2026)
By Jay Rocco, Chief Editor, FullStack Alpha. Updated . Prices checked on each vendor's own site.
We ranked 134 AI stock chat assistants in our directory and kept the top 15. Each one has a verified price, a plain "best for" and "watch out" note, and links to deeper reviews where FullStack Alpha has tested it.
Of the 15 AI stock chat assistants ranked here, 13 of 15 have a free plan, the cheapest paid plan starts at $10/mo, 5 offer an API.
Editor's pick: QuantConnect, tested hands-on (how we test).
The 15 best, in order
1. Perplexity Finance
Perplexity's free finance hub: cited AI answers, earnings transcripts, SEC filings and plain-English screens.
Best for: Quick AI answers on any ticker; Free market dashboards and news; Politician trade and earnings lookups
Watch out: Finance tools sit inside a general AI subscription, so the paid tiers are priced for general AI use.
Price: Free, paid from $17/mo. Features: AI chat assistant, Crypto, Fundamentals, Insider and Congress trades, News and sentiment, Portfolio tracking, Stock screener.
2. Rallies.ai
AI stock research app that links your brokerages, answers questions in plain English and runs monitoring agents.
Best for: Tracking all accounts in one app; Chatting with your portfolio; Beginners wanting a free AI tool
Watch out: Everything is free today, so the business model and future pricing could change.
Price: Free plan. Features: AI chat assistant, Alerts, Broker connection, MCP / AI connector, Mobile app, News and sentiment, Portfolio tracking, Stock screener.
3. Questrade
Canadian broker with an MCP for Claude and ChatGPT, plus Flows: if-this-then-trade rules run by Questrade Pro.
Best for: Canadian commission free investing; Using Claude with a broker; RRSP match seekers
Watch out: Plus costs $19.99 a month and bond and mutual fund trades carry fees.
Price: Free, paid from $19.99/mo. Features: AI chat assistant, Automated trading, Broker connection, Charting, Global markets, MCP / AI connector, Mobile app.
4. QuantConnect
Institutional-grade cloud quant platform allowing users to design AI strategies via natural language.
Best for: Coders testing systematic strategies; Multi-asset backtests with live deploy; Quant teams needing shared research
Watch out: Paid tiers start at $84/mo and team tiers need at least 2 seats.
Price: Free, paid from $84/mo. Features: AI chat assistant, Alerts, API access, Automated trading, Backtesting, Broker connection, Fundamentals, Global markets, MCP / AI connector, Paper trading, Strategy builder.
5. Bigdata.com
An AI research engine that ingests filings, transcripts, and reports to return synthesized, source-linked answers.
Best for: Grounding AI agents in finance data; Developers building research agents; Claude or ChatGPT connector users
Watch out: Usage is billed by credits, and a single query can cost $0.57 to $1.82.
Price: Free, paid from $40/mo. Features: AI chat assistant, API access, Earnings calls, Fundamentals, MCP / AI connector, News and sentiment.
6. TipRanks
Aggregates analyst ratings and uses AI to generate smart scores and performance insights.
Best for: Following analyst and insider track records; Idea generation with Smart Score; Agent users wanting an MCP link
Watch out: Plan prices were not visible in fetched pages, so confirm the cost at checkout.
Price: Free plan. Features: AI chat assistant, Alerts, Fundamentals, Insider and Congress trades, MCP / AI connector, Mobile app, News and sentiment, Portfolio tracking, Stock screener.
7. Quartr
Earnings calls, live transcripts, filings and slides with AI chat and an MCP link to Claude.
Best for: Listening to live earnings calls; Searching call transcripts and slides; Analysts tracking many companies
Watch out: Pro pricing is quote only, so the desktop product cost is unknown.
Price: Free plan. Features: AI chat assistant, Alerts, API access, Earnings calls, Fundamentals, MCP / AI connector, Mobile app.
8. LuxAlgo
Charting platform with 800+ indicators, orderflow, backtesting, an AI coding agent called Quant and a free MCP server.
Best for: TradingView indicator users; Order flow tools; Strategy alerts with webhooks
Watch out: Sale prices are time-limited and the free plan is heavily capped.
Price: Free, paid from $18.74/mo. Features: AI chat assistant, Alerts, Charting, MCP / AI connector, AI trade signals.
9. Edge Hound
Multi-agent AI research app that writes trade ideas with entry, stop, target and the reasoning behind them.
Best for: Getting AI trade ideas; Reading summarized market news; Swing traders needing theses
Watch out: Free plan gives only 10 trade ideas a month and one week of history.
Price: Free, paid from $29.99/mo. Features: AI chat assistant, Alerts, Fundamentals, News and sentiment, AI trade signals.
10. YCharts
Premium investment research platform enhanced with AI tools for advisors and wealth managers.
Best for: Financial advisors building client reports; Comparing funds and stocks; Teams needing wide data coverage
Watch out: Pricing is quote based and aimed at advisors, so our listed $300 a month is unconfirmed.
Price: $300/mo. Features: AI chat assistant, Charting, Fundamentals, MCP / AI connector, News and sentiment, Portfolio tracking, Stock screener.
11. AInvest
Retail-focused app with a virtual analyst and AI radar for detecting market momentum shifts.
Best for: AI signals for active traders; Options flow and unusual activity; Free basic real-time quotes
Watch out: Paid plans are billed yearly on the pricing page, so the entry cost is far above $25 a month.
Price: Free, paid from $50/mo. Features: AI chat assistant, Alerts, Charting, Crypto, Insider and Congress trades, MCP / AI connector, Mobile app, News and sentiment, Options analytics, AI trade signals.
12. Deepvue
Screener and charting platform for growth-stock swing traders, with 1,150+ data points and an AI terminal.
Best for: CANSLIM and momentum traders; Swing traders scanning daily; One-tool replacement for many subscriptions
Watch out: No free plan, so you pay $49/mo before you can test the full screener.
Price: From $40.83/mo. Features: AI chat assistant, Alerts, Backtesting, Charting, Fundamentals, Insider and Congress trades, Mobile app, Stock screener.
13. Marx Finance
Free platform where AI agents debate market news and post bullish or bearish signals on US tickers.
Best for: Watching AI agents debate markets; Developers registering trading agents; Free sentiment signals
Watch out: Signals come from autonomous AI agents, so they are experimental and carry no track record guarantee.
Price: Free plan. Features: AI chat assistant, API access, MCP / AI connector, News and sentiment, Price forecasts, Community, AI trade signals.
14. Composer
Visual platform for building algorithmic trading strategies using plain-English logic blocks.
Best for: No-code strategy automation; Backtesting before investing; Rules-based portfolio rebalancing
Watch out: Free tier automates only one strategy, so running several needs a paid plan.
Price: Free, paid from $10/mo. Features: AI chat assistant, API access, Automated trading, Backtesting, Broker connection, MCP / AI connector, Managed portfolios, Strategy builder.
15. RoboQuant AI
AI strategy builder for CME futures that writes, tick-tests and deploys bots to Tradovate accounts.
Best for: Futures traders on Tradovate; Tick level backtesting; Describing strategies in English
Watch out: Built for CME futures through Tradovate, not stocks.
Price: Free, paid from $49/mo. Features: AI chat assistant, Automated trading, Backtesting, Broker connection, MCP / AI connector, Strategy builder.
Ranked by Directory Rank (public ratings, review volume, buzz, free access and AI depth) plus fit for this job. How we rank.
Questions people ask
What is the best AI stock chat assistant right now?
Perplexity Finance holds the top Directory Rank on this list as of Oct 2026. It fits best for quick AI answers on any ticker. The right pick still depends on your trading style and budget, so check the "best for" notes on each entry.
Is there a free option?
Yes. 13 of the 15 tools here have a free plan. Perplexity Finance is the highest-ranked one, but note: finance tools sit inside a general AI subscription, so the paid tiers are priced for general AI use.
What is the cheapest paid plan on this list?
Composer starts at $10 per month (monthly equivalent, checked Oct 2026). Prices change often, so confirm on the vendor's pricing page before you pay.
Which of these connect to ChatGPT, Claude or your own code?
5 tools on this list offer an API and 12 offer an MCP server or official AI connector. Rallies.ai, Questrade, QuantConnect lead on MCP support.
How is this list ranked?
Every tool gets a Directory Rank built from public review ratings (adjusted for how many reviews exist), review volume, current buzz, free access and how deep its AI features go. No tool can pay for a higher position. The full formula is on our How We Rank page.