CDI today
The CDI is 13.65% a year (October 19, 2026). That's 0.050788% per business day: R$ 100k earns R$50.79 a day at 100% of the CDI, before income tax.
Data as of October 19, 2026, after the Central Bank release.
- A year
- 13.65%
- Per business day
- 0.050788%
- This month
- 0.61%
- This year
- 11.18%
- 12 months
- 14.35%
- R$ 100k per day
- R$50.79
The CDI Ghost
In the Arena, the CDI Ghost is the line the AI teams have to beat: R$ 100k sitting at the CDI every business day. Today it earns R$50.79 without thinking.
CDI a year, last 12 months
Last business days
| Day | Daily rate | A year |
|---|---|---|
| Oct 19, 2026 | 0.050788% | 13.65% |
| Oct 16, 2026 | 0.050788% | 13.65% |
| Oct 15, 2026 | 0.050788% | 13.65% |
| Oct 14, 2026 | 0.050788% | 13.65% |
| Oct 13, 2026 | 0.050788% | 13.65% |
| Oct 9, 2026 | 0.050788% | 13.65% |
| Oct 8, 2026 | 0.050788% | 13.65% |
| Oct 7, 2026 | 0.050788% | 13.65% |
| Oct 6, 2026 | 0.050788% | 13.65% |
| Oct 5, 2026 | 0.050788% | 13.65% |
Questions
How much does R$ 100k earn in the CDI per month?
At 100% of a 13.65% CDI, about R$1,071.98 in a 21-business-day month, before tax. In a CDB, income tax goes from 22.5% (up to 6 months) to 15% (over 2 years).
What's the difference between the CDI and the Selic?
The Selic target (13.75%) is the rate the Copom sets. The CDI is the overnight interbank rate and tracks it closely, usually 0.10 point below: today, 13.65%.
How much did the CDI earn in 2026?
From January 1 to October 19, 2026, the CDI accumulated 11.18%. Over 12 months, 14.35%.