Basketball is a team sport in which two teams of five players try to score more points than each other by shooting the ball through the opponent’s hoop. Basketball betting means placing a bet on the outcome, such as which team wins, the winning margin or the total points scored. This basketball betting guide explains the basic rules and terms, how the main markets and odds work with worked examples, and what to check before you bet.
What Is Basketball?
Basketball is known for its fast pace, with both teams racing to score by shooting the ball into the opponent’s hoop. Leagues such as the NBA (National Basketball Association) are followed by fans around the world.
Each team has five players on the court. The game is played on a rectangular court with a free-throw line, a three-point line and a midcourt line. A hoop is a basket with a metal rim and a net, placed at each end of the court.
Basic Basketball Rules
Like all sports, basketball has rules and penalties that keep the game fair.
- An NBA game has four quarters of 12 minutes each. Games played under FIBA rules, used in most international competitions, have four quarters of 10 minutes.
- Each team can have a maximum of five players on the court.
- A team must score more points than the opposing team to win. A field goal is worth two or three points depending on the shooting range: two points from inside the arc and three points from outside it.
- A player can only move with the ball by dribbling it. Once a player stops dribbling and holds the ball, they must pass or shoot. Dribbling again is a violation called a double dribble.
- A travelling call is issued if a player takes more than two steps while holding the ball without dribbling. The ball then goes to the opposing team.
- Under NBA and FIBA rules, once a team has committed four team fouls in a quarter, further fouls by that team while defending give the opponents two free throws. A foul on a player who is shooting gives free throws at any time.
- If the score is tied at the end of the fourth quarter, the game goes to overtime: extra periods of five minutes are played until one team leads at the end of a period. This is why a basketball game cannot end in a draw.
NBA and FIBA Rules Side by Side
| Rule | NBA | FIBA |
|---|---|---|
| Quarters | Four | Four |
| Length of a quarter | 12 minutes | 10 minutes |
| Overtime period | Five minutes | Five minutes |
| Players on court per team | Five | Five |
| Team foul penalty | From the fifth team foul in a quarter, or from the second team foul in its last two minutes, two free throws | From the fifth team foul in a quarter, two free throws |
Basketball Terms 101
Here is a list of basketball terms to help you follow a game and its commentary. The three cards below show the same terms as the table.
| Term | Meaning |
|---|---|
| Airball | A shot that misses the basket and does not touch the rim or the backboard. |
| Alley-oop | One player throws the ball high toward the basket, and a teammate jumps, catches it and dunks it. |
| And One | A player is fouled while shooting and the shot still goes in. The basket counts and the player gets one extra free throw. |
| Bank Shot | A shot that bounces off the backboard and into the hoop. |
| Box Out | A technique where a player uses their body as a barrier, staying between the opponent and the basket to win the rebound. |
| Double Dribble | A violation when a player dribbles with both hands, or starts dribbling again after stopping. The other team gets the ball. |
| Free Throw | An unguarded shot from the 15-foot free-throw line, awarded after a foul. Each basket made is worth one point. |
| Lay-up | A shot taken close to the hoop, usually while the player is moving toward the basket. |
| Rebound | Gaining possession of the ball after a missed shot bounces off the rim or backboard. Either team can go for the ball. |
| Swish | A shot that goes straight through the net without touching the rim or backboard. Also called nothing-but-net. |
| Three in the Key | Also called the three-second rule. An attacking player cannot stay inside the lane (the key) near the basket their team is attacking for more than three seconds in a row while their team has the ball. |
| Outlet | A pass from a player who has just won a defensive rebound to a teammate, to start the next attack quickly. |
| Post Up | An offensive play in which a player gets the ball in the post area with their back to the basket. |
| Zone Defence | A defensive strategy in which players guard a specific zone of the court instead of marking a single opponent (man-to-man defence). |
| Flop | When a player exaggerates or fakes contact to try to get the referee to call a foul. |
| Charge | An offensive foul called when a player with the ball runs into a defender who has already set their position. |
How Basketball Betting Works
Sportsbooks set odds on a single game or on a whole tournament or season. You choose a market, such as the winner, the winning margin or the total points, and your bet is settled by the result. Basketball is fast and the score changes often, so the odds on a game in progress also move quickly.
Basketball Betting Markets
The examples below use one made-up match, Los Angeles Lakers against Golden State Warriors, with invented numbers, not real odds.
| Market | How it works | Example |
|---|---|---|
| Moneyline (match winner) | You pick which team wins the game. A negative number marks the favourite and a positive number the underdog. | Lakers -150, Warriors +130: the Lakers are the favourite. The next section shows what these numbers pay. |
| Point spread (handicap) | The sportsbook gives the favourite a points deficit and the underdog a points head start. You bet on whether a team covers the spread: it wins by more than the spread, or loses by less than it (or wins outright). | Lakers -5.5, Warriors +5.5. If the final score is 112 to 106 (Lakers win by 6), a bet on the Lakers wins. If it is 110 to 105 (Lakers win by 5), a bet on the Warriors wins. |
| Over/under (totals) | You bet on whether the combined points of both teams will be above or below a line set by the sportsbook. | Line 215.5. A final score of 110 to 108 makes 218, so the over wins. |
| Prop bets | Side bets on something that happens within a game, which do not depend on who wins. | Which team scores first, how many points, rebounds or assists a player records, or which player makes the first three-pointer. |
| Futures | Bets on a result decided later in a tournament or season. You can place them before or during the season, and the odds change as it goes on. | Which team wins the NBA championship, or which player wins a season award such as MVP. |
| In-play (live) | Bets placed while the game is being played. The odds update in real time as the score changes. | Moneyline, point spread and over/under markets offered during the game. |
Check two settlement rules before you bet. First, whether overtime counts: some markets include it and others, such as regulation-time markets, do not. Second, what happens on a whole-number line: if the total line is 220 and the teams score exactly 220, neither side wins. This is called a push, and the stake is normally returned. Lines ending in .5, such as 215.5 or -5.5, cannot land exactly.
How to Read Basketball Odds
Odds tell you how much a bet pays and how likely the sportsbook thinks the result is. The same price can be shown in American format (the moneyline numbers above) or in decimal format.
- Negative American odds (-150): the amount you must stake to win 100 in profit. Stake 150, and a win returns 250: your 150 back plus 100 profit.
- Positive American odds (+130): the profit on a stake of 100. Stake 100, and a win returns 230: your 100 back plus 130 profit.
- Decimal odds: the total return for each 1 staked, stake included. Convert negative American odds with 1 + 100 ÷ 150 = 1.67, and positive ones with 1 + 130 ÷ 100 = 2.30.
The same made-up moneyline, worked through:
| Item | Lakers | Warriors |
|---|---|---|
| American odds | -150 | +130 |
| Decimal odds | 1.67 | 2.30 |
| Return on a stake of 100 if the bet wins | About 167 (about 67 profit) | 230 (130 profit) |
| Implied probability (1 ÷ decimal odds) | About 60% | About 43.5% |
The two implied probabilities add up to about 103.5%, not 100%. The extra 3.5% is the sportsbook’s margin, which is built into the odds.
Basketball Betting Tips
These tips cover what to understand before betting on basketball. None of them can guarantee a win.
Understand the game
Know the rules, players, strategies and history of basketball before you place any bet. Research the teams and players, including recent form, injury status and head-to-head record, to form your own view of the match. Tip: keep up with team news such as injuries, lineup changes or coaching changes.
Choose a tournament you know
Start with a tournament you know well. Some people follow popular events such as the NBA playoffs or the NCAA March Madness tournament, where team news is easy to find, while others prefer lesser-known leagues or international competitions they follow closely.
Compare the odds
Different bookmakers offer different odds for the same game, so compare them before you bet. A bet has value when the odds pay more than the true chance of the outcome would justify, in other words when the implied probability is lower than your own estimate. Value does not mean that any single bet will win. Tip: use odds comparison websites or tools to compare the odds for your chosen bet.
Choose markets you understand
Compare the markets and stick to the ones you understand. Read each one’s settlement rules before you bet.
Manage your bankroll
Have a plan for managing your bankroll when betting on basketball. This means setting a budget for your bets and sticking to it, and avoiding chasing losses or betting too much on a single event.
Before You Bet
If you are new to basketball betting, start by understanding the game, researching teams and players, learning how each market and its odds work, and managing your bankroll. These points can help you make better-informed choices, but they cannot guarantee a profit.
Only bet what you can afford to lose. Read our responsible gaming page, and find guides to other sports in our sports betting section.
Top Bonus Pick
