99odds predictions — Step by Step

In 2018, free betting tips the U.S. Supreme Court gave states permission to legalize sports betting if they wished to do so. It is legal in 40 states plus Washington, D.C. as of 2025, with other states either working on legislation or not considering it.

Fractional odds explained

Let s imagine you are looking at an upcoming match in the UEFA Champions League. Say, Bayern Munich is playing against Real Madrid. Here is how you might use 99odds to build your analysis.

Risk Disclosure

The way sports betting odds are presented can differ between American, Fractional, and Decimal. While they all mean the same thing, more details understanding how they work with your wager can be tricky. Use our betting odds and bettinglike moneyline calculator tool above to convert these odds and learn more about them below.

Prediction Odds Example?

Some fractional odds will see the dividend divided by a value greater than one ie: 7/2 or 11/4 but is still calculated the same, multiplying the sum by the amount risked.

Odds of 7/2 will pay 3.5 times the bet amount, so for example, a $100 bet placed on 7/2 fractional odds will return $350 in profit. A $100 bet placed on 2/7 odds will return $28.57 in profit.

How do American odds compare to fractional odds and decimal odds?

If you decide to bet on the Chiefs—the team that, according to the bookmaker, has a higher probability of winning the game—you would need to bet $760 to win $100. If the Chiefs are victorious, you will win $100, for soccer predictions a total payout of $860 (initial stake of $760 profit of $100).

Bets with lower implied probability are given a positive value. For example, here a bet placed at +400 odds would profit $400 on a $100 wager. The positive value indicates that the odds are plus money and return more profit than the amount risked on the bet. Prices reflect market belief, which can be distorted by low liquidity, fresh information, emotional trading, or crowd bias. That is why odds are signals, not guarantees. Fractional odds (aka "British odds," "U.K.

odds," or "traditional odds") are popular among British and Irish bookies . They are typically written with a slash (/) or hyphen (-).