Sunlight casting shadow patterns on a wooden surface with vertical grain.
Your portfolio
Rebalanced Bought NVDA Hedged oil
Your AI portfolio
Your real portfolio
Your AI model rebalanced on Monday, bought NVIDIA3 days before the sentiment shifted and hedged the oil price. The gap between your real portfolio and your AI portfolio is +3.2%.
Smiling woman with glasses looking at her smartphone while leaning on a stone countertop.

You use AI and own a portfolio.
But they’ve never met.

Your LLM has no idea what you own
ChatGPT, Gemini, Claude are brilliant but cannot see your portfolio, don't know your risk appetite, and have no access to live market data.
You're trading on gut, not signal
Most investors make decisions based on news, noise, and feeling. The data that actually moves markets (sentiment shifts, supply chain events, earnings context) is invisible to you.
You are not sure if AI could do better
Until now. Hettie runs your AI in a simulated portfolio (no real money, full visibility) so you can watch it trade and decide for yourself.

Your AI is smart.
Hettie makes it market-aware.

Live market data
Real-time prices, macro indicators, earnings results, and sector moves, formatted so your LLM can act on them the moment they land.
A financial knowledge graph
Who supplies whom. Which regulation affects which stock. How a rate decision ripples through your holdings. Context your LLM can't search fast enough.
Sentiment before it moves prices
Hettie reads Reddit, X, earnings call transcripts, and financial forums in real time detecting narrative shifts before they hit the chart.
Models that get smarter over time
Every paper trade across every Hettie user feeds back into our models. The more people use Hettie, the sharper every signal gets. For everyone.

What our users say.
The gap is hard to unsee.

"Seeing my LLM outperform my actual portfolio in week one was uncomfortable. In a good way."
+2.3% compared to real portfolio
Portrait of a smiling blond man in a dark suit jacket and white shirt against a neutral background.
Jake Brown
Financial analyst
"I always assumed AI could help me trade better. Hettie is the first product that actually shows me the number."
+4.1 % compared to real portfolio
Jonas Bergström
Carl Hall
Casual investor
"I used to spend hours discussing my portfolio and trades with ChatGPT. Now I can just focus on making decisions."
+6.5% compared to real portfolio
Amélie Fournier
Dianne Price
Passive ETF investor

Start free.
Upgrade when convinced.

Free
0€
Free for everyone
Full simulation transparency
Daily emails
Direct broker connection
Your LLM explains any trade
Real-time alerts
Multiple AI portfolios
Get started
Pro
12€
Per month when paying yearly
Full simulation transparency
Daily emails
Direct broker connection
Your LLM explains any trade
Real-time alerts
Multiple AI portfolios
Start free for 14 days
Recommended

Common questions

What is an AI portfolio?
An AI portfolio is a simulated portfolio. Your AI makes real trade decisions based on real market data, but no actual money moves. Think of it as a flight simulator for investing. You watch, you learn, you build conviction. When you're ready, you can choose to follow the signals for real.
Why does my LLM need Hettie? Can't I just ask ChatGPT or Claude?
You can, but ChatGPT or Claude doesn't know what you own, has no live market data, can't track sentiment in real time, and can't execute trades (even virtual ones) on your behalf. Hettie plugs your LLM into a live financial data layer and lets it act on that information automatically, 24/7.
Which LLMs and brokers does Hettie support?
At launch, Hettie supports ChatGPT, Gemini, and Claude. For brokers, we're already supporting 80+ brokers across Europe.
Is Hettie financial advice?
No. Hettie shows you what your AI would do. It doesn't tell you what you should do. We provide information and signals, not regulated financial advice. All investment decisions remain yours. If in doubt, consult a qualified financial advisor.
I'm new to investing. Is Hettie for me?
Especially. Hettie was built to make markets understandable for everyone — not just people with a finance background.
Sofia RuizMax van DijkJonas Bergström

Curious what your AI would do with your portfolio?

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