Calculadora de Previsão - Calcular Retornos dos Primeiros Dois
Calculadora de previsão grátis para corridas de cavalos. Calcule retornos de previsões diretas e reversas.
Como usar esta calculadora
- Escolha o tipo de forecast — direto (uma ordem 1-2 específica) ou reverso (qualquer ordem)
- Insira as odds do cavalo escolhido para o 1º lugar
- Insira as odds do cavalo escolhido para o 2º lugar
- Insira sua aposta unitária
- Veja aposta total, odds combinadas, retorno e lucro
Fórmula
Odds combinadas = Odds₁ × Odds₂
Forecast direto: 1 aposta, aposta total = aposta unitária.
Forecast reverso: 2 apostas (ambas as ordens), aposta total = 2 × aposta unitária. Apenas a ordem correta ganha; pagamento = aposta unitária × odds combinadas.
Perguntas frequentes
What is a forecast bet?
A forecast (also called exacta in the US) is a bet on which two horses will finish 1st and 2nd in a race. A straight forecast requires the exact order; a reverse forecast covers both orders for double the stake.
How is forecast different from each-way?
Each-way is two independent bets (one to win, one to place) on a single horse. A forecast is a single bet specifying the relationship between two horses’ finishing positions. Forecasts pay much more but have lower probability of winning.
Should I use straight or reverse forecast?
Use straight if you have a strong opinion on which horse wins. Use reverse if you think two horses will fill 1st and 2nd but you’re unsure of the order — you double your stake but cover both possibilities.
Are forecast odds the same as the multiplied book odds?
Most UK bookmakers use Computer Straight Forecast (CSF) dividends declared by Tote/SP, not pure multiplied odds. Multiplied odds are a useful approximation but actual payouts can differ by ±10-20% depending on the field strength formula used.