Trading days
Answered by the calendar of its operating MIC, BVMF. The registry says this segment belongs to it.
Hours on an ordinary day, America/Sao_Paulo time: 10:00–18:00
Coming up
| Fri, 20 Nov 2026 | National Day of Zumbi and Black Awareness | ||
| Thu, 24 Dec 2026 | Christmas Eve | ||
| Fri, 25 Dec 2026 | Christmas Day | ||
| Thu, 31 Dec 2026 | New Year's Eve | ||
| Fri, 1 Jan 2027 | New Year's Day |
Recently
| Mon, 2 Nov 2026 | All Souls' Day | ||
| Mon, 12 Oct 2026 | Our Lady of Aparecida | ||
| Mon, 7 Sept 2026 | Independence Day |
From the API
The same answers, live, for any date the calendar reaches. Asking whether a venue is open needs no key.
curl https://api.diurn.io/v1/venues/CETI/status curl "https://api.diurn.io/v1/venues/CETI/sessions?from=2026-11-06&to=2027-01-07"
Registry record
ISO 10383, as published on 2026-10-12.
| Operating MIC | BVMF |
|---|---|
| Type | SGMT |
| Market name | CETIP S.A. - MERCADOS ORGANIZADOS |
| Legal entity | B3 S.A. - BRASIL BOLSA BALCAO |
| LEI | 4GTK5S46E6H318LMDS44 |
| Market category | NSPD |
| Country | BR |
| City | RIO DE JANEIRO |
| Website | WWW.B3.COM.BR |
| Status | ACTIVE |
| Created | 2009-09-28 |
| Last updated | 2022-03-28 |
| Comments | ELECTRONIC TRADING, TRADE REGISTRATION AND FINANCIAL SETTLEMENT FOR TRANSACTIONS INVOLVING FIXED INCOME SECURITIES AND OTC DERIVATIVES. |