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

A personal record of AI experiments run against real money — what worked, what didn't, and what I learned.

Real-money testing
Human-written notes
Sceptical AI use
// Decision Process Featured · Latest
· 8 min read

5 questions to ask AI before buying any stock

Five questions to ask AI before buying any stock — for the hour before you commit capital, when the research is done and the decision is about to be made.

Portrait of Ben Dixon
Ben Dixon
Lab rat
// Start here
Prompt Stack

7 AI prompts for covered calls

AI prompts for covered calls that work: seven prompts built around real chain data, covering position fit, IV regime, strike selection, and roll decisions.
// The Prompt Stack

A more rigorous way to use AI.

The Prompt Stack is how I turn a general model into a narrower analyst. Instead of asking for instant brilliance, I break the task into stages, force evidence before opinion, and make the final output earn its keep.

01ROLE: Review the position as a cautious analyst, not a cheerleader.
02FILTER: Separate observable facts from assumptions or model filler.
03RISK: Surface timing, downside, and what would invalidate the view.
04VERDICT: Give one practical action, then state the confidence level.
Ben Dixon
// About Ben

Ben Dixon documents AI experiments against his own portfolio. Real money, human analysis, sceptical use. Read more →

// Free download

5 prompts for when a stock has moved.

The five decision moments every investor hits — thesis check, earnings read, conviction check, drawdown discipline, exit planning. Copy-paste prompts, free when you subscribe. See what's inside →