// AI Financial Technology
Building intelligent financial software.
Sigma Strategy develops proprietary AI technology to make financial-market intelligence more accessible, contextual, and privacy-conscious.
//01Flagship Product
Personal Trader AI — AI portfolio intelligence for retail investors.
Personal Trader AI brings portfolio holdings, financial-market data, and relevant news into a unified AI-powered experience. The platform is designed to help investors better understand their portfolios, explore market developments, and access contextual financial insights without relying on personalized investment recommendations or automated trade execution.
- Proprietary AI
- Privacy-first
- Scalable software
Personal Trader AI is developed and owned by Sigma Strategy B.V.
Visit personaltrader.tech// Hybrid AI
A proprietary model, built in-house.
Personal Trader AI uses a hybrid cloud and local approach. Sigma Strategy’s own proprietary finance model runs on the device, designed to keep portfolio context private and responses quick, while cloud AI supports deeper reasoning and briefings. Answers draw on market data and news.
- Model
- Proprietary finance model, trained in-house
- Training
- Tuned on curated financial data, aiming for grounded, context-aware answers
- Deployment
- Optimized to run directly on the device
- Architecture
- Hybrid local + cloud AI
Informational only. No recommendations. No trade execution.
- Prices, headlines, briefings
- Context designed to stay on your device
- Runs on device · privacy-focused · quick responses
- Deeper reasoning & briefings
- Explained in the context of your portfolio
- Informational only. No recommendations. No trade execution.
//02Founder
Alessandro Greco
Founder, Sigma Strategy B.V.
Alessandro founded Sigma Strategy after seven years in quantitative finance and product roles at BlackRock, Euronext and Binance, contributing to derivatives pricing and risk infrastructure and production AI systems.
Logos are trademarks of their respective owners, shown to describe the founder's professional experience; no affiliation or endorsement is implied.
//03Technology
Privacy-first AI architecture.
Our technology combines on-device AI capabilities with cloud-based reasoning for more demanding analytical workflows.
A hybrid of cloud and local AI: a proprietary in-house model runs on the device, with cloud AI for deeper reasoning and briefings. Holdings context is designed to stay on your device, and answers draw on market data.
- 01Context-aware portfolio intelligence
- 02Financial-market data integration
- 03Hybrid on-device and cloud AI
- 04Privacy-preserving software architecture
- 05Scalable AI infrastructure for financial applications
//04Professional Services
Specialized quantitative finance and AI expertise for financial institutions.
Alongside the development of our proprietary software products, Sigma Strategy B.V. offers selected professional services to financial institutions, fintech companies, and technology businesses.
01
GenAI Product & Delivery
Production LLM systems, RAG architectures and agentic workflows.
02
AI Governance & Regulatory Translation
EU AI Act and MiFID II turned into engineering-ready specifications.
03
Quantitative Risk & Validation
Statistical rigor for strategy validation, anomaly detection and risk guardrails.
04
AI Strategy & Advisory
Model-landscape assessment, roadmaps and build-vs-buy architecture calls.
05
Privacy-by-Design AI Architecture
Architectures designed to keep sensitive data out of the model's reach.
06
Derivatives & Trading Infrastructure
Pricing, margin, matching-engine and market-maker incentive design.
Professional services are provided through separate commercial engagements and are distinct from Sigma Strategy's independently developed proprietary software products.
View professional services//05Company
Sigma Strategy B.V.
Sigma Strategy B.V. is an independent, founder-funded technology company based in Amsterdam, Netherlands. The company develops and owns the proprietary technology underlying Personal Trader AI and is pursuing the commercial development of its consumer and institutional product offerings.
We combine expertise in quantitative finance, derivatives, financial risk, and artificial intelligence to build scalable software for investors and financial institutions.
// Contact
[email protected]// Contact form
Send us a message ↗// Registered
Sigma Strategy B.V. · Amsterdam, Netherlands · KvK 97792969 · VAT NL868234448B01