Heavy trading · Brazil stocks
BlackRock, Inc. (BLAK34) volume jumps to 5.6 times its average
The price fell 4.4% on the day, to BRL 81.52.
- Close
- BRL 81.52
- On the day
- −4.4%
- Volume
- 5.6× average
- vs 52-week high
- −17.9%
BlackRock, Inc. closing prices
The last 90 closes up to 5 October 2026. The live chart is on the BLAK34 page.
What happened
BlackRock, Inc. (BLAK34) closed at BRL 81.52 on 5 October 2026, down 4.4% from BRL 85.29 the session before.
Over 5 sessions the price is down 3.7%, and over 20 sessions it is down 6.9%.
The close is 17.9% below the highest close of the past year (BRL 99.27 on 14 Oct 2025) and 10.7% above the lowest (BRL 73.62 on 12 Mar 2026).
Trading was heavy: volume was 5.6 times its average of the sessions before.
Across the 22 B3 stocks we track, 1 closed higher and 20 closed lower that day, with a median change of −3.95%. BLAK34's change was −4.4%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | BRL 85.29 |
|---|---|
| Close | BRL 81.52 |
| Change on the day | −4.42% |
| Change over 5 sessions | −3.70% |
| Change over 20 sessions | −6.88% |
| Volume | 8,985 |
| Average volume, up to 20 sessions before | 1,611 |
| Volume against that average | 5.6 times |
| Highest close in the past year | BRL 99.27 (14 Oct 2025) |
| Lowest close in the past year | BRL 73.62 (12 Mar 2026) |
The full chart and history are on BlackRock, Inc. (BLAK34). More from this market: B3 news today.