
Compound interest: what it is, the formula and simulations to grow your money
Learn what compound interest is, how to calculate it with the formula and Excel, and see simulations with monthly contributions to grow your money.

Learn what compound interest is, how to calculate it with the formula and Excel, and see simulations with monthly contributions to grow your money.

Learn what the CDI is, how much it yields today, how it differs from the Selic and how to calculate 100% of the CDI with practical examples.

Where to invest in 2026 with the Selic at 13.75% in a cutting cycle: options by time horizon and by profile, risks and what changes in your strategy.

A simulation of how much R$ 100,000 yields in poupança, CDB, LCI/LCA and Tesouro Selic in October 2026, per month and per year, with income tax and inflation.

A step-by-step guide to start investing from scratch in 2026: getting your finances in order, building an emergency fund, knowing your profile, choosing a brokerage and making your first fixed-income investments.