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How accurate are the Brazil - Carioca odds?

The closing prices of 373 finished games since Wed 26 Jan 2022, set against what happened: the chance the market gave, with the bookmakers' margin removed, next to how often it came in. A record of what the market did, not a tip.

The market's record

373 games, 2 bookmakers
  • Closing favourite won 60% 224 of 373 games
  • Market Brier score 0.489 0 is perfect; a coin flip scores 0.667
  • Average closing payout 91.7% 100% minus the bookmakers' margin
  • Games covered 373 Wed 26 Jan 2022 to Sun 8 Mar 2026

Market chance against what happened

0-10% chance: happened 2.9% of 140 selections 10-20% chance: happened 13.1% of 176 selections 20-30% chance: happened 27.9% of 305 selections 30-40% chance: happened 29.1% of 179 selections 40-50% chance: happened 46.7% of 90 selections 50-60% chance: happened 49.3% of 67 selections 60-70% chance: happened 66.1% of 56 selections 70-80% chance: happened 88.2% of 34 selections 80-90% chance: happened 92.2% of 51 selections 100% 0%
Market said 0%100%
Happened
Market chancePriceSelectionsMarket saidHappenedDiff
0-10% 10.00 or longer 140 5.2% 2.9% -2.3 pts
10-20% 5.00 to 10.00 176 15.1% 13.1% -2.0 pts
20-30% 3.33 to 5.00 305 25.7% 27.9% +2.2 pts
30-40% 2.50 to 3.33 179 33.4% 29.1% -4.3 pts
40-50% 2.00 to 2.50 90 44.9% 46.7% +1.8 pts
50-60% 1.67 to 2.00 67 54.7% 49.3% -5.4 pts
60-70% 1.43 to 1.67 56 64.4% 66.1% +1.7 pts
70-80% 1.25 to 1.43 34 74.3% 88.2% +13.9 pts
80-90% 1.11 to 1.25 51 84.9% 92.2% +7.3 pts

Every priced outcome of every game is one selection. "Market said" is the bookmakers' average implied probability with the margin removed; "Happened" is how often that outcome came in. On the diagonal the market was right on average; above it, that kind of result happened more often than the prices said. Bands with fewer than 30 selections are left out.

Home, draw and away

OutcomeMarket saidHappenedDiff
Home win 42.5% 45.3% +2.8 pts
Draw 25.6% 24.9% -0.7 pts
Away win 31.8% 29.8% -2.0 pts

The market's average closing chance for each outcome over all 373 games against the share of games it won, settled on the regular-time score. "Home" is the first-named side.

Bookmaker accuracy

lower is better
BookmakerGamesBrier scorevs market averagePayout
Unibet 342 0.476 -0.001 91.4%
Bet365 301 0.555 +0.003 91.6%

Each bookmaker's own closing prices, margin removed, scored against the results of the games it priced; "vs market average" compares it with the bookmakers' average on the same games, so a negative figure means its prices were the closer. Bookmakers with fewer than 50 priced games are left out. Differences of a few thousandths are noise; a much higher score usually means the bookmaker's last price was captured well before the start, so it is the price in our archive being scored, not the trader.

Odds accuracy FAQ

How accurate are Brazil Carioca odds?
Across 373 finished Brazil Carioca games since 2022, the closing favourite won 60% of the time. The market's closing chance, with the bookmakers' margin removed, gave the home side 42.5% on average and home wins happened 45.3% of the time. The bands above show the same comparison price by price: a well-calibrated market has outcomes happening about as often as its prices say.
What is a Brier score?
The squared distance between the chances a bookmaker's prices gave and what happened, averaged over games: 0 would be perfect foresight, and on a three-way market a coin-flip price scores 0.667. The market average's closing prices score 0.489 in this league; the lowest single bookmaker is Unibet at 0.476. Differences of a few thousandths between bookmakers are noise, not skill.
Does a well-calibrated market mean the odds cannot be beaten?
Calibration says the market is right on average, not on every game. A band where outcomes happened more often than the prices said is where the closing market under-priced that kind of result over these seasons, which is often the draw or the outsider. The bookmaker's margin, about 8.3% here, still has to be cleared: the closing line value calculator shows what a price needs to beat.