Brazil’s 12-month inflation below 5.50% for December 2025?

The IPCA (t. Broad National Consumer Price Index) is the official inflation rate measure used by the Brazilian government, tracked by the Brazilian Institute of Geography and Statistics (IBGE). The IPCA reflects the cost of living for households across urban areas in Brazil, measuring changes in prices for a diverse set of goods and services. This market will resolve to “Yes” if the 12-month IPCA for December 2025 is below 5.50%. Otherwise, this market will resolve to “No”. This market will resolve according to IBGE's (https://www.ibge.gov.br/en/indicators#ipca) public release of 12 month IPCA figure for December 2025, expected in January 2026. If the publication of this figure is delayed beyond February 28, 2026 ET, this market will resolve according to the last published figure. Because this market's resolution source reports inflation over 12 month periods to two decimal points (e.g. 4.56%), this is the level of precision that will be used when resolving the market.

How trading works

Polymarket uses a central limit order book (CLOB) model — you can buy or sell shares of any outcome at the current market price, or place limit orders at your target price. All positions are settled in USDC when the market resolves.

Resolution

Markets resolve through UMA's Optimistic Oracle. After the market closes, a proposer submits a resolution, followed by a 2-hour dispute window. If no dispute is raised, the resolution is accepted. Disputed markets go to UMA token holder vote.