Methodology · Open
TVI — Methodology
TVI is not magic — it's science.
The TerraVision Investment Index (TVI) is a proprietary index developed by Speedy Unipessoal LDA that combines 7 fundamental factors of the global real-estate market on a normalised 0-10 scale.
The 7 factors
| Factor | Weight | What it measures | Sources |
|---|---|---|---|
| Demographic growth | 20% | Sustained future demand | IBGE, INE, World Bank, US Census |
| Geopolitical stability | 20% | Regulatory & political risk | Claude Sonnet 4.5 + Web Search (24h) |
| Average income | 15% | Resident purchasing power | Dubai Statistics, IBGE, US Census |
| Historical appreciation | 15% | Market track record | FIPE ZAP, Confidencial Imobiliário, Zillow |
| Infrastructure | 10% | Future appreciation potential | OpenStreetMap, PAC, PDM |
| Density & demand | 10% | Liquidity & competitiveness | INE, Dubai Statistics |
| Market liquidity | 10% | Ease of entry & exit | Dubai Land Dept, IBGE |
Classification scale
8.0 – 10.0PREMIUM
Excellence market with multiple positive catalysts identified
6.0 – 7.9SOLID
Robust market with positive fundamentals and sustained growth
4.0 – 5.9MODERATE
Market with potential but with caution factors to consider
0.0 – 3.9CAUTIOUS
Market with significant risks identified in the data
Official sources by country
Brazil 🇧🇷
- IBGE
- FIPE ZAP
- Banco Central
- PAC
Portugal 🇵🇹
- INE
- PORDATA
- Banco de Portugal
- IHRU
Dubai/UAE 🇦🇪
- Dubai Statistics Center
- Dubai Land Department
- REIDIN
Angola 🇦🇴
- INE Angola
- BNA
- World Bank
Mozambique 🇲🇿
- INE Mozambique
- Banco de Moçambique
USA 🇺🇸
- US Census
- Bureau of Labor Statistics
- Zillow
- Federal Reserve
Analysis process
01Official demographic data
→02Development & infrastructure data
→03Real-time AI analysis (live web search 24h)
→04Weighted TVI calculation
→05INVEST / WAIT / AVOID recommendation
Update frequency
| Demographic data | updated monthly |
| Development data | updated weekly |
| Geopolitical analysis | generated in real-time (24h) |
| TVI | recalculated on each new analysis |
Legal notice
The TVI is an informative index based on public data and AI analysis. It does not constitute financial, tax or legal advice. All investment decisions must be validated with qualified professionals. Speedy Unipessoal LDA is not responsible for decisions made solely based on this index.