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I test AI against my own investment decisions. This is what I find.

A sceptical investor's record of what AI actually does when there's real money involved.

Real-money testing
Evidence, not tips
Sceptical AI use
// Tool Audit Latest
· 15 min read

Best free AI tools for stock research

The best free AI tools for stock research, tested at the actual free tier — seven tools sequenced by research stage, with the honest limit on each.

Portrait of Ben Dixon
Ben Dixon
Lab rat
// The Prompt Stack

Four prompts that stop AI inventing the answer.

Run in sequence, each stage forces the model to show its working before the next begins — evidence before inference, a verdict that has to earn its place.

01
ROLE

Be a cautious analyst, not a cheerleader.

02
FILTER

Separate observable facts from assumptions.

03
RISK

Find what could go wrong and what would prove the view wrong.

04
VERDICT

One practical action. With a confidence level.

Get the prompts →

Ben Dixon
// About Ben

Ben Dixon runs AI experiments against his own investment portfolio — real money, real decisions, no demos. Read more →

// Free download

5 prompts for when a stock has moved.

A stock moved. These five prompts help you decide whether your thesis still holds — before instinct makes the call. See what's inside →

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