Build live thematic portfolios and find high-quality stocks with Alpha Builder
Powered by ML algorithms, not LLMs. Built on real market data, not emotions.
Check our Live portfolios. We'll give you 1 free credit to build one yourself. No credit card required.
Start with Ultimate Flexibility.
Pay Only for What You Create.
👉 Get started with a free credit to build your first AI portfolio.
Simple, One-Time Fees
Create a New AI Portfolio
Copy a Shared Portfolio
Edit existing portfolio
Credits never expire. Prices are subject to change.
What can you expect?
* We let LLMs handle the small talk. The real math is done by data.
AI-driven Rankings
The model filters the noise and surfaces the stocks that matter.
Actionable insights
Understand why each stock ranks where it does and what drives its performance.
Adaptive intelligence
Strategies evolve as market conditions change.
Created for Investors…
Opportunity Seekers
Get daily insights, alerts, and ranked stock lists designed to help you act fast.
Strategic Investors
Get long-horizon insights and historical context designed to help you focus on what lasts — not what’s loud.
Market Thinkers
Get daily recaps, forward signals, and theme-driven insights designed to help you see how markets evolve — one move, one driver at a time.
Choose Your Investment Universe
Limex Expanded Universe
Explore a wide market universe of 2,700+ stocks across all sectors — built on the Russell 3000 foundation.
S&P 500
Focus on large-cap U.S. equities with established track records and market presence.
Nasdaq
Concentrate on technology and growth-oriented companies with high innovation potential.
How To Use Limex Alpha Builder
Stock selection
Discover what's leading the market — see the rankings, understand the drivers.
Idea generation
Spot new opportunities before they surface. Insights reveal the trends shaping what's next.

Portfolio construction
Use portfolio simulations as backtested proof that your approach works as designed.
Alpha Builder Features
Explore the features that help you analyze performance, discover new ideas, and build smarter strategies.
Live Portfolio
See how your strategy performs in real market conditions. Track weekly updates and portfolio changes in one view.
Tear Sheet
Review performance, risk, and return compared to the S&P 500. Everything you need to assess a strategy at a glance.
AI Insights
Find new stocks that match your model's signals. Save time by focusing only on ideas that fit your strategy.
Ranking
See your selected stocks ranked by strength. Track weekly changes in rankings to spot what's gaining or losing momentum.
Live Portfolio
See how your strategy performs in real market conditions. Track weekly updates and portfolio changes in one view.
Tear Sheet
Review performance, risk, and return compared to the S&P 500. Everything you need to assess a strategy at a glance.
AI Insights
Find new stocks that match your model's signals. Save time by focusing only on ideas that fit your strategy.
Ranking
See your selected stocks ranked by strength. Track weekly changes in rankings to spot what's gaining or losing momentum.
Our Collaboration With Boosted.Ai
Limex and its strategic partner Boosted.Ai have developed a full-service Ai-powered tool to support investors' stock selection and portfolio management decisions
The partnership combines Boosted.Ai's asset-management specialized machine-learning platform with Limex's investment and modelling expertise, to build a streamlined and intuitive interface for users to build personalized strategies
