Bank of Brazil decisionPolymarket historical data and price history
Bank of Brazil decision: a Polymarket economy series with markets recurring annual. Marketlens has captured 19 markets since March 1, 2026, of which 19 resolved, with $1.3M in traded volume. Every market's order book is stored in full: periodic L2 snapshots plus every individual price change with a millisecond timestamp, alongside trades, candles, and the final resolution outcome.
For the economy archive as a whole, see Polymarket price history.
Data as of 2026-09-17 · Polymarket series Bank of Brazil decision · slug bank-of-brazil-decision
Resolution outcomes
Outcomes across 19 resolved markets with a recorded winning outcome. Settlement in the archive is by winning outcome, not by final traded price.
Markets in this series
The most recently resolved of 19 markets.
Backtest this series
from marketlens import MarketLens
client = MarketLens()
result = client.backtest(
MyStrategy(), "bank-of-brazil-decision",
after="2026-09-08", before="2026-09-16", initial_cash=1_000,
)
result.show() # inspect the run in the dashboardAvailable datasets
Common questions
How many Bank of Brazil decision markets are in the archive?
19 markets from March 1, 2026 through September 15, 2026, of which 19 have resolved.
What data exists for each Bank of Brazil decision market?
Full L2 order book history (snapshots plus every price change at millisecond resolution), individual trades, OHLC candles, and the resolution outcome. All of it is queryable by the series slug "bank-of-brazil-decision" through the API and Python SDK, or downloadable as Parquet.
How much does a typical Bank of Brazil decision market trade?
Average traded volume is $70.0K per market, $1.3M across the series.
Can I backtest strategies on Bank of Brazil decision?
Yes. Pass the slug "bank-of-brazil-decision" to client.backtest() in the Python SDK. Execution mode replays every market's order book tick by tick and fills simulated orders against real historical depth with queue priority, latency, and fee modelling; Alpha mode replays one bar per market for slower signals over long windows.
Related series: Fed Decision, Fed rate hike, Largest Company, US Annual Inflation, Bank of Japan Decision, ECB Interest Rates, or all economy series.
Try it
Replay Bank of Brazil decision tick by tick
The free tier includes 1M rows per day with full API and full archive access, no card required.
$ pip install marketlens