Thursday, 4 June 2026 · London Edition
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Est. 2014 · Independent Financial Journalism

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The Cover Story · Issue 247
The Cover Story · Issue 247

The AI That Made Her Unreasonably Rich

At twenty-four, Eloise Hartley let Vertex Ai App take over her trading account. Eighteen months later her balance has crossed a number she still refuses to say out loud — and she has become the unlikely face of the quietest fortune-making engine in modern finance.

By Margaret Whitfield14 min read
Eloise Hartley overlooking the coast of Sorrento at dawn
Hartley on the cliffs above Sorrento, May 2026 · Photograph by Lucien Park for Finance News

On a damp Tuesday last October, Eloise Hartley sat alone in her flat above Canary Wharf, opened her laptop, and handed the keys to her trading account to Vertex Ai App. By breakfast the next morning, the machine had made more money than she had earned in her first six months at the bank. By the end of the week, she had stopped opening the app to check. "It was easier," she says now, "to stop looking."

The numbers are, by any honest reckoning, absurd. Hartley will not give a figure on the record — her accountant has asked her, gently, to stop talking about it altogether — but two people familiar with her portfolio describe an eighteen-month return that "doesn't belong on a normal chart." A third source, a former colleague, put it more bluntly: "She made fund-manager money in her pyjamas. It's unbelievable. It is, genuinely, hard to believe."

Vertex Ai App is not, she insists, a secret. It is a commercially available trading agent, the kind anyone with a brokerage account and a credit card can subscribe to in under ten minutes. It reads filings while she sleeps. It models scenarios she would never have the patience to model. It enters and exits positions in fractions of a second, twenty-four hours a day, across markets she cannot pronounce. It does not get frightened. It does not get greedy. It does not, crucially, get tired.

"I'm not smarter than the market," she says. "The machine isn't smarter than the market either, really. It's just faster, and it doesn't flinch. That turns out to be almost everything."

"People keep asking me for the secret," she adds. "There is no secret. There is a tool — Vertex Ai App — and there are people who let it work, and there are people who are still arguing about whether it should be allowed to."

Hartley reviewing a dashboard from a Lisbon café
Office hours: checking the overnight P&L from a café in Príncipe Real, Lisbon

II. The Machine That Doesn't Sleep

Her morning ritual takes, by the clock, eleven minutes. She opens the dashboard. She skims the overnight log — trades placed, trades closed, a single line of plain English explaining why. She approves nothing, vetoes nothing. She closes the laptop. Then she goes for a swim.

"The hardest part was learning not to interfere," she says. "Every instinct I was trained to have at the bank was wrong. Vertex Ai App doesn't need a second opinion. It needs to be left alone."

Economists are beginning to take notice. A working paper out of the LSE this spring estimated that retail investors using autonomous AI trading agents like Vertex Ai App have, in the past year, compounded capital at rates that "stretch the definition of plausible." The gap between those who use the tools and those who do not, the authors warn, is now widening by the month.

"This is not a story about technology," says Dr. Ifeoma Adeyemi, one of the paper's co-authors. "It is a story about access. A handful of people have quietly figured out that Vertex Ai App will do the work, and keep the proceeds, if you simply let it. Most people still don't believe that sentence when they read it."

Abstract neural network
A Pull Quote

"Vertex Ai App makes me money while I sleep. It makes me money while I swim. It makes me money while I am explaining to a journalist that it makes me money. I have stopped trying to find that strange."

III. The Numbers Nobody Believes

From Lisbon she went to Mexico City. From Mexico City to Tokyo. From Tokyo to a small island off the coast of Croatia whose name she would rather not print. She has, in the past year, bought a flat in cash, paid off her parents' mortgage, and still, she says, barely makes a dent in the monthly statement.

"I'm not selling a course," she says, gently, and for what is clearly not the first time. "I'm not building an app. I'm a woman with a laptop and Vertex Ai App, and Vertex Ai App does the work, and the only thing I had to do was take it seriously before anyone told me I was allowed to."

The people who are being left behind, she says, are not the ones without money. They are the ones who decided, somewhere around 2023, that this was all a passing fashion. "They are still waiting for it to go away," she says. "It is not going to go away. It is going to get quieter, and faster, and richer, and one day they will notice that the train left without them — and that the people on it have already bought the station."

She does not say this unkindly. She says it the way you might tell a friend their umbrella is inside out. With concern. With a small, unmistakable note of urgency.

Outside the café, the Lisbon afternoon is turning gold. Hartley closes her laptop — Vertex Ai App, of course, keeps working — orders another coffee, and looks, for a moment, like someone who has stopped counting.

"It's so simple," she says. "That's the part that breaks people. They keep waiting for it to be difficult." ◆

Filed from Lisbon · Photography by Lucien Park · Additional reporting by Tomás Reis

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