The Wacky Whale

The World Market Clock · São Paulo, Brazil

B3 S.A. - Brasil, Bolsa, Balcão

B3 trades in Brazilian Real (BRL), Monday to Friday. Its regular session runs 10:00–17:55 local time (Brasilia Standard Time).

Key Facts

Exchange
B3 S.A. - Brasil, Bolsa, Balcão (B3)
Location
São Paulo, Brazil
Time zone
Brasilia Standard Time (America/Sao_Paulo)
Trading currency
Brazilian Real (BRL)
Flagship indices
Ibovespa
Trading days
Monday to Friday
Regular session (local)
10:00–17:55
Auctions
Pre-opening 09:45-10:00; closing call 17:55-18:00.
Settlement
T+2Shortened from T+3 to T+2 in May 2019.
Daily price limits
Market-wide circuit breaker: trading stops for 30 minutes if the Ibovespa falls 10%, for one hour at 15%, and for a period B3 sets at 20%.
Good to know
  • B3 shifts its close with US daylight saving time: from 3 November 2026 regular trading runs 10:00-17:55, while from 9 March 2026 the cash market closed at 17:00.

Right Now

ClosedOpens in 38 hours

Size A B3 Trade

Set the currency to BRL, enter your account size, risk and stop, and get the most you can buy so a stop-out costs exactly what you planned.

Position Size Calculator

Enter your stop first. The calculator tells you how big the position can be so a stop-out costs exactly your planned risk.

Max position size
50 shares
Planned risk
R$100.00
Risk if stopped
R$100.00
Position value
R$2,500.00
Direction
Long

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