Dados B3 Guides
Fundamental analysis of the Brazilian stock market (B3), with the math open. Educational content — not investment advice.
Questions answered with our data — did the moving-average crossover work? Ibovespa or Selic?
Open sources of B3 data, compared by criterion
- Analyse a Brazilian stock on your own in 10 minutes
- Piotroski F-Score: what it is and how to use it on B3 stocks
- Dividend yield on the B3: how to compute it, and the high-yield trap
- Backtesting without look-ahead: why the Dec-31 P/E lies
- ROE vs ROIC: the difference between a good business and good leverage
- Restatements: when a company rewrites its own past
- P/E and P/BV: what they are, and the trap of 'cheap on the ratio'
- EV/EBITDA and net debt/EBITDA: the multiple that sees the debt
- Greenblatt's Magic Formula on the B3: good and cheap at once
- ROA on the B3: how productive the assets are, regardless of debt
- FCF yield on the B3: the potential dividend yield, without look-ahead
- Current ratio on the B3: can the company pay its short-term bills?
- How to analyse a bank on the B3: why ROIC and EBITDA don't apply
- How to analyse commodity companies: the cyclical-profit trap
- How to analyse a holding company: why a 199% margin is an illusion
- P/BV for Brazilian REITs (FIIs): price over NAV, and the discount trap
- Brick vs paper FIIs: vacancy, cap rate, and why the same formula changes meaning
- How to analyse an FII: P/BV, dividend yield, vacancy and segment without falling for a trap
- FII vacancy: what it is, how to read it, and the trap in the CVM data
- The CVM report behind FII numbers: the public source of every figure
- Brazilian REITs and income tax: exempt distributions, capital gains, filing
- Graham number in Google Sheets, pulling EPS and book value from the CVM
- A B3 stock screener in Python, without looking into the future
- How to ask an AI about Brazilian stocks and check every number
- Total return on B3 with Dados B3: what the data gives you and what you still build
Sources: CVM (open data, ODbL) and B3 (COTAHIST). Not affiliated with B3 or the CVM. Not investment advice.
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