💰 Finance & Investing
Research, simulators, taxes, and tools for investors.
Largest U.S. Company vs. S&P 500
30-year backtest: $100,000 would have grown to $3.08 million with annual rebalancing—but turnover frequency changes the conclusion.
Compounders
In-depth analysis of companies with the potential to compound value for many years.
2026 Investment Theses
Vistra, Micron, Broadcom, Symbotic, and Circle: five 1–3 year theses with drivers, risks, and invalidation criteria.
PBCD Group Status
Tracking the AFBNDES / FAPES / BNDES negotiations.
B3 Stock Screener
Sort and filter Brazilian stocks by P/E, P/B, dividend yield, ROE, ROIC, and the Magic Formula—with automated daily data.
B3 Fundamentals History
Track P/E, P/B, dividend yield, ROE, ROIC, margins, debt, and other fundamentals month by month, with stock comparisons.
Investment Simulator
Compare after-tax returns for Brazilian fixed-income and pension products under variable CDI assumptions.
2025 Brazilian Income Tax Calculator
Monthly income tax, profit sharing, PGBL limits, and annual reconciliation using Brazil’s official tax tables.
Global ETF Track Record
CAGR performance ranking for 71 global ETFs.
2025 Investment Theses
An interactive overview of 10 companies to watch.
Allocation Calculator
A barbell allocation simulator focused on personal antifragility.
Convexity Dashboard
Mathematical proof and Black Swan simulations using real data.
BRL/EUR Exchange-Rate Curve
A Chart.js prototype using public exchange-rate data.
Gurus: Ray Dalio
The paradigm shift: a framework for a resilient portfolio (2026).
Gurus: Nassim Taleb
The antifragility handbook: strategies for the 2025 environment.
Gurus: Joel Greenblatt
The Magic Formula and time arbitrage for investors (2026).
Savings Calculator
Plan future withdrawals toward a retirement goal.
BNDES Practical Guide
BNDES financing products and how to use them, step by step.
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