Savings, 1 month
- Input
- 1000000000.00 x 0.5%
- Expected output
- BRL 5000000.00
No income tax for individuals.
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how much interest does a mega da virada prize earn
In Brazilian savings, BRL 1 billion earns BRL 5,000,000.00 in the first month and BRL 61,677,811.86 over 12 months, with no income tax. In a CDB paying 100% of the CDI it is BRL 8,233,162.99 net over 30 days, and in Tesouro Selic BRL 7,898,835.21. Computed on 11/10/2026, with the Selic annualized at 13.62% (accumulated for Oct 2026).
No income tax for individuals.
0.5% compounded for 12 months, 6.17% a year.
Net of the 22.5% rate for up to 180 days.
Net of tax and the B3 custody fee.
The per-bet value from contest 2955, according to Tribuna PR.
Since 2012, savings use two rules: if Selic > 8.5% p.a. → 0.5%/month + TR; if Selic ≤ 8.5% p.a. → 70% of Selic/month + TR.
BRL 5,000,000.00 in the first month, which is 0.5% of the amount, while the Selic is above 8.5% a year. It falls if the Selic drops below 8.5%, because the rule then becomes 70% of the Selic.
For individuals, this site's savings calculator treats the earnings as exempt from income tax. A CDB and Tesouro Selic have a regressive tax on the earnings. The prize itself is a separate matter, described above as an assumption.
From the Central Bank series (SGS 4390) that the repository refreshes at every build: the Selic accumulated for Oct 2026, 1.07% for the month, annualized to 13.62%. The math changes whenever the series is refreshed.
No. These are simulations at today's rate, which changes. For an amount this large, talk to a licensed professional before deciding where to invest.
⚠️ Simulation uses simplified rules. TR is close to zero in most periods. Actual yield depends on the date your deposits were made.
Lei 8.177/1991 and MP 567/2012 (savings rules). Selic: Banco Central do Brasil.
Balance evolution
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