TOTAL VOLUME:

$154.4b

24H VOL:

$230,589,906

24H TRANSACTIONS:

2,984,028,936

OPEN INTEREST:

$1,885,293,300

410,482

Markets across

40,213

events

MATCHED EVENTS:

4,340

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

BETA
Dashboards
Tour
All
Economics
Brazil inflation rate in September
kalshi

What will Brazil's inflation be?

Volume:
$2,248

Above 4.30%

 - Kalshi

Above 4.30% - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 9, 2026

Closed: Oct 9, 7:55 AM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Above 4.30%

View
100%
10%
Yes 100¢No 0¢
—
N/A
$716
N/A
N/A
$529
Settled
Yes
kalshi

Above 4.40%

100%
31%
Yes 100¢No 0¢
—
N/A
$602
N/A
N/A
$592
Settled
Yes
kalshi

Above 4.20%

100%
5%
Yes 100¢No 0¢
—
N/A
$506
N/A
N/A
$293
Settled
Yes
kalshi

Above 4.50%

100%
78%
Yes 100¢No 0¢
—
N/A
$219
N/A
N/A
$163
Settled
Yes
kalshi

Above 4.60%

0%
38%
Yes 0¢No 100¢
—
N/A
$205
N/A
N/A
$205
Settled
No
kalshi

Above 3.60%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
kalshi

Above 3.70%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
kalshi

Above 3.80%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
kalshi

Above 3.90%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
kalshi

Above 4.00%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
kalshi

Above 4.10%

N/A
N/A
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 11

Description

This event tracks Brazil's annual inflation rate for the month of September 2026. Participants assess whether inflation will exceed various threshold percentages, reflecting expectations about economic performance and monetary policy outcomes during that period.

Kalshi

The event evaluates multiple sequential thresholds for Brazil's annual inflation rate in September 2026, each representing a progressively higher percentage level. All markets share the same reporting period and measurement basis — the officially published annual inflation figure for that specific month. Resolution depends solely on whether the reported rate surpasses the respective threshold defined in each market, with no partial credit or intermediate outcomes; each market resolves definitively to either 'Yes' (threshold exceeded) or 'No' (threshold not exceeded). The structure allows participants to take positions on different levels of inflationary pressure expected in that quarter.

Frequently asked questions

On Kalshi, the dashboard for the Brazil inflation market tracks the current implied probabilities for various inflation outcomes in September. You’ll find the price of contracts representing different inflation rates, along with the total volume traded – currently $2,248 – and the 24-hour volume, which is $759. This allows participants to gauge market sentiment and see how predictions are evolving as new information becomes available. The dashboard provides a real-time view of where traders believe the Brazil inflation rate will land.

Currently, prediction market odds reflect a different perspective than many traditional analyst forecasts for Brazil’s September inflation. While many analysts predict a continued downward trend in inflation, this market suggests a wider range of potential outcomes are possible. It’s important to remember that analyst forecasts are often based on economic models and historical data, whereas this market incorporates the collective wisdom of traders reacting to real-time information and anticipating future events. Discrepancies can arise due to differing assumptions or the inclusion of factors not captured in standard economic models.

On Kalshi, this market is priced using a continuous double auction, meaning traders buy and sell contracts representing different inflation rates. The price of each contract reflects the probability of that specific rate occurring. As more traders participate, the prices adjust to reflect the collective assessment of the likelihood of each outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price movements are driven by supply and demand, with traders willing to pay more for contracts representing outcomes they believe are more likely. This dynamic pricing mechanism ensures the market reflects the most up-to-date information and expectations.

This market resolves around Oct 9, 2026, with the outcome confirmed once the official Brazil inflation rate for September is verifiable from credible public reporting. The resolution will be based on the official inflation rate published by the Brazilian Institute of Geography and Statistics (IBGE). Traders will then be paid out based on whether the actual inflation rate falls within the range of their purchased contracts. The market’s outcome is determined by publicly available data, ensuring a transparent and objective resolution process.

Several signals or events could significantly move this market before it resolves. Unexpected shifts in global commodity prices, particularly oil, could influence Brazil’s inflation rate. Changes in Brazilian government policy, such as adjustments to interest rates or fiscal spending, would also be key catalysts. Furthermore, any surprising economic data releases from Brazil, such as employment figures or consumer confidence reports, could impact trader sentiment. Finally, geopolitical events impacting the Brazilian economy or the global supply chain could also lead to price fluctuations in this market.