Sports betting at Allright: reading the market
Betting on sport is not guessing who wins: it is comparing the probability you give an outcome with the probability the price implies. This section walks through that comparison with numbers, starting with football, the sport with the deepest markets, then tennis and basketball, each with rules of its own. We do not give tips or talk about teams; we explain how the tool works.
Decimal odds: what a bet pays back
Decimal odds multiply your stake and include it. A $5 bet at 2.10 returns $10.50 if it wins. The implied probability of that price is 1 divided by 2.10, about 47.6%. If you think the outcome is more likely than that, the price looks good; if you think it is less likely, you should not bet, however much you like the team.
Working out the margin
Take a match priced home 2.10, draw 3.30 and away 3.60. The implied probabilities are 47.6%, 30.3% and 27.8%, which add up to 105.7%. That extra 5.7% is the bookmaker's margin in that market. The lower the margin, the more the market returns over time; comparing margins tells you where you pay the least “commission” to bet.
| Outcome | Example odds | Implied probability |
|---|---|---|
| Home | 2.10 | 47.6% |
| Draw | 3.30 | 30.3% |
| Away | 3.60 | 27.8% |
| Total | — | 105.7% |
These prices are only an example for the calculation. Real odds are set by Allright and change constantly: check the market when you bet.
Sports with their own guide
- Football: 1X2, double chance, handicap, over/under and both teams to score.
- Tennis: match winner, set betting, games and what a retirement does to your bet.
- Basketball: point spreads, totals and overtime.
- Cricket: a big sport worldwide, explained for beginners.
- Bet types: singles, accumulators, system bets and Asian lines, with what each one pays.
A betting bankroll in units
Set aside an amount just for betting and define a unit. With a $150 bankroll and a 2% unit, each bet is $3. That unit lets you string together several losing bets without being knocked out, which is normal even for disciplined bettors. Raising the unit after losses to catch up is the most expensive mistake a bettor can make.
In-play betting and cash out
During a match, prices move with every attack. In-play betting can use information you see on screen, but the pace pushes fast decisions. Cash out lets you settle a bet early for an amount the operator offers; it usually includes an extra margin, so treat it as a control tool rather than a habit.