Investors
Build your portfolio with AI, while keeping 100% control over everything.
We turn your ideas into automated trading strategies.
Starting with 200 000€, Bubble's low flat-fee model (from €0 to €10/month depending on tier) keeps significantly more wealth compared to traditional 2% annual fees over 30 years.
Illustrative scenario: 200 000€ initial investment, 7% annual returns. Bubble example: €8/month fixed fee. Traditional: 2% annual fees.
A traditional €200k portfolio incurs multiple layers of fees: advisory fees (1-2%), management fees (1.5-2.5%), transaction costs, platform fees, and performance commissions. Total: €4,000–€5,400 annually.
Bubble replaces this entire stack with a single transparent subscription: €0–10/month. No hidden costs. No fees that grow with your wealth. You save up to 87% on annual fees while maintaining full control and transparency.
While traditional fees grow exponentially with your portfolio, Bubble's €0–10/month pricing stays constant, maximizing your wealth accumulation.
Cumulative fees comparison over time. Fixed subscription remains constant while percentage-based fees grow exponentially.
Today's journey is fragmented and incentive-misaligned. Bubble brings everything together as a transparent decision-support platform: clear explanations at every step, powerful analytics, and you stay in control from start to finish.
Traditional path: bank appointment (waits, limited hours) → biased advice (commissions) → "house fund" selection (expensive) → delayed reporting → hidden fees.
Bubble path: instant AI answers 24/7, transparent strategies with commentary and full backtests, automated monitoring with exportable instructions, real-time execution on your own brokerage accounts.
AI breaks down technical jargon and dissolves elitism: expertise becomes accessible to everyone, allowing you to demand proof, challenge your financial advisors, and insist that fees reflect clear, transparent value.
Our ethics restore power to you and free you from excessive fees charged by obsolete intermediaries. Result: you finance the economy, the economy pays you interest. That's it.
We're developing the tool we use for our own investments: a private manager in your pocket, on its own app or directly in ChatGPT, at lower cost: a fixed price (e.g., €0-10/month) instead of traditional 2% AUM fees.
An agent that adapts to YOUR asset focus: you're not locked into pre-packaged portfolios by your banker. Every strategy is transparent and explained so you understand exactly what's happening. Financial expertise is now a commodity—accessible to everyone through AI, regardless of portfolio size.
A fixed cloud-tool subscription (plans from €0 to €10/month) instead of a percentage of your assets like a traditional manager (2% fees). The hedge‑fund approach becomes accessible to portfolios of any size.
Bubble's conversational AI translates complex analysis into clear decision support so you can review scenarios and choose the next step yourself.
Our portfolios prioritise low-cost ETFs and extend to cryptocurrencies on our roadmap (Crypto.com integration in progress).
The AI that turns your ideas into automated strategies
Find the best investment opportunities with our AI-powered screening engine.
Test your strategies on 20 years of historical data before investing real money.
Automate execution of your strategies with your preferred brokers (IBKR, Alpaca, Saxo Bank).
Stay in control of your decisions. Bubble provides insights, not mandatory recommendations.
€0-10/month depending on your plan. No AUM fees, no costly intermediaries. Our interests are aligned with yours.
Bubble provides you with insights, analysis, and decision support. You maintain full control: approve each strategy, and execution happens according to your preferences, never against your wishes.
Bubble is a conversational investment agent. You chat with it to:
1. Define your profile (goals, time horizon, risk tolerance)
2. Explore strategies (momentum, risk parity, value...)
3. Backtest your scenarios on 17+ years of data
4. Build your personalized allocation
5. Automate execution via your broker (IBKR, Alpaca, Saxo)
Everything is transparent: you see the calculations, rules, and historical performance.
All strategies are available in all plans. Bubble offers 9 backtested strategies:
• Risk Parity: risk balancing across assets
• Momentum: 3-12 month trends
• Value & Quality: fundamentals + quality screening
• Low Volatility: volatility minimization
• Equal Weight: equal weighting
• Custom Mix: combine multiple strategies to your preferences
Each strategy comes with explanations, historical performance, drawdowns, and Sharpe ratios. No limits by plan.
Currently, Bubble focuses on low-cost ETFs:
• Stocks: SPY (US), EFA (Europe/Asia), EEM (emerging)
• Bonds: IEF (US Treasuries 7-10Y)
• Commodities: GLD (gold)
• Real Estate: VNQ (US REITs)
• Cash: money market funds
• Cryptocurrencies: via Crypto.com and other crypto broker APIs
• Individual stocks: for targeted exposure
Structure: One strategy per pocket + one overall portfolio strategy.
No, never. Bubble does not hold your assets.
You keep your accounts with your usual broker (Interactive Brokers, Alpaca, Saxo Bank).
Bubble connects via API to:
• Read your positions (read-only access)
• Suggest orders (rebalancing, new trades)
• You validate each transaction before execution
You retain 100% control of your accounts.
Yes. Our conversational agent is designed to educate and guide:
• Plain language explanations: no technical jargon
• Predefined or custom strategies: choose from our proven strategies or create your own mix based on your preferences
• Personalized recommendations based on your answers
• Educational backtests: understand how each strategy behaves during crises
You don't need to be an expert in quantitative finance.
ChatGPT can discuss finance, but cannot:
❌ Access your real-time portfolio data
❌ Backtest strategies on 17+ years of historical data
❌ Connect to your broker to execute orders
❌ Monitor your positions and alert you to rebalancing needs
Bubble is a specialized agent with access to market data,
backtesting engine, and broker integrations. ChatGPT is a generalist.
A lot. Here's a concrete example:
€100,000 portfolio
• Traditional advisor: €850–1,600/year (0.85%–1.6% of assets)
• Bubble Pro: €120/year (€10/month)
→ You save: €730–1,480/year (87% reduction)
And your cost never changes if your portfolio grows from €100k to €1M.
With a traditional advisor, you'd pay €8,500–16,000/year on €1M.
Because percentage-based fees create a conflict of interest.
Traditional advisors earn more when:
• Your portfolio gets larger (not necessarily better)
• You make more transactions (additional management fees)
• You stay as a client longer (even if your needs change)
Bubble works differently:
• We charge for the infrastructure you use (servers, data, AI)
• Our costs don't depend on your portfolio size
• Our interest aligns with yours: help you invest better, not manage more money
It's more transparent, fair, and ethical.
We're sharing with you this AI agent we use for our own portfolios. If you're not satisfied with traditional financial services and want to seize this historic opportunity, join our early adopters.
Joining our waitlist is completely free and without commitment. We're simply looking to meet people who share our vision of investment for everyone.