# Central Bank of Brazil rate decision in December: prediction market odds

> Live prediction market odds for "Central Bank of Brazil rate decision in December". Maintain current rate leads at 92%. Next is No change at 57.8%. $66K has traded across 10 outcomes on Polymarket and Kalshi. The market is expected to resolve by Dec 9, 2026.

- Status: Live
- Prices updated: 2026-11-10T14:46:05Z (1 d ago)
- Expected to resolve by: Dec 9, 2026
- Volume traded: $66K
- Venues: Polymarket, Kalshi
- Category: economics

## Odds by outcome

| Outcome | Chance | Polymarket | Kalshi | Gap between venues |
| --- | --- | --- | --- | --- |
| Maintain current rate | 92% | — | 92% | not on both |
| No change | 57.8% | 60.5% | — | not on both |
| 25 bps increase | 35.9% | 31.9% | — | not on both |
| Cut 1-25bps | 5% | — | 5% | not on both |
| Cut more than 25bps | 4% | — | 4% | not on both |
| Hike 1-25bps | 4% | — | 4% | not on both |
| 50+ bps increase | 2.3% | 2.6% | — | not on both |
| 50+ bps decrease | 2.2% | 3.8% | — | not on both |
| Hike more than 25bps | 2% | — | 2% | not on both |
| 25 bps decrease | 1% | 2.2% | — | not on both |

"Chance" blends the venues' prices, weighted by volume. Venue columns are each venue's own price.

## How each venue settles

- Polymarket: UMA optimistic oracle. Sources: [bcentral.cl](https://www.bcentral.cl/es/web/banco-central/noticias-y-publicaciones/prensa/calendario-de-politica-monetaria-y-financie).
- Kalshi: Kalshi (CFTC-regulated exchange). Sources: [Central Bank of Brazil](https://www.bcb.gov.br/en/monetarypolicy/copomstatements/cronologicos), [Trading Economics](https://tradingeconomics.com/brazil/interest-rate).

## Links

- Full page with charts and order books: https://thepredictionmarkets.com/odds/central-bank-of-brazil-rate-decision-in-december
- Trade on Polymarket: https://polymarket.com/event/central-bank-of-chile-decision-in-december-2026?utm_source=thepredictionmarkets.com&utm_medium=referral
- Trade on Kalshi: https://kalshi.com/markets/kxcbdecisionbrazil?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/central-bank-of-brazil-rate-decision-in-december

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Source: The Prediction Markets (https://thepredictionmarkets.com), which compares Kalshi and Polymarket prices side by side. Prices are market-implied probabilities, not forecasts by TPM. Cite the page URL and the "Prices updated" time.