How to judge an AI stock analysis tool.
Everyone in this category claims to be the best, including us if we're not careful. So instead of a ranking, here's the test we'd apply — and the red flags that should end the conversation.
For research and education. Not financial advice.
The four questions
Ask these before you pay anyone.
1. Can I check it?
Does every factual claim link to a source you can open? If the tool won't show its work, you're being asked to trust a black box with your money. This is the single most important question.
2. Does it ever say 'I don't know'?
Markets are uncertain. A tool that is never unsure isn't confident — it's hiding something. Stated uncertainty is a feature, not a weakness.
3. Does it promise anything?
Returns, win rates, 'guaranteed' anything, back-tested performance. Every one of these is a reason to close the tab. Nobody can promise outcomes in a market.
4. Who makes the decision?
Does it inform you, or act for you? The moment software executes on your behalf, you've swapped a research question for a custody-and-liability question.
The categories, honestly
General AI assistants (ChatGPT, Claude, Gemini)
Superb reasoners, unreliable on live market facts unless you ground them in real data. Free or cheap. Best used for explanation and counter-argument, not for figures. Full guide here.
AI search (Perplexity)
Excellent at finding and citing what's been written. Inherits whatever the web claims, and the web is full of after-the-fact explanations. Comparison here.
Charting platforms (TradingView)
Best in class for charts and screens. Shows you what happened; won't tell you why. Comparison here.
Pick services and signal sellers
Tell you what to buy. Track records are usually self-reported and rarely audited. Treat marketing that implies certainty as a red flag rather than a selling point. Why we don't do this.
Research assistants (this is where TRUE sits)
Wired into live market data, explains in plain English, cites sources, states uncertainty, and refuses to tell you what to buy. Less satisfying than a hot tip. Considerably more useful over time.
Professional terminals (Bloomberg, FactSet, Refinitiv)
Institutional depth at institutional prices. If you need one, you know. Comparison here.
The red flags, in one place. Guaranteed returns · published win rates with no independent audit · back-tests presented as evidence · "our AI predicts prices" · pressure to act quickly · no sources · never uncertain · claims to remove risk. Any one of these is reason enough to walk away — and several of them are hallmarks of outright fraud.
Frequently asked questions
What is the best AI tool for stock analysis?
There isn't a single best one, and we're suspicious of anyone who says otherwise (ourselves included). Judge on four things: can you check its sources, does it admit uncertainty, does it avoid promising outcomes, and does it leave the decision with you.
Can AI tools predict stock prices?
No. Not reliably, not in a way you should stake money on. Any tool advertising prediction or guaranteed returns is misrepresenting what is possible.
Are free AI stock tools any good?
Some are genuinely useful. The question isn't price, it's whether the tool shows its sources and admits what it doesn't know. A free tool that cites its data beats an expensive one that doesn't.
Apply the test to us.
Ask TRUE something you already know the answer to, and check whether it shows its work.
For research and education. Not financial advice.