Guide · 5 min read
Basketball betting markets explained: moneyline, spreads, totals and quarters
Basketball produces lots of points and lots of betting lines. That makes its markets easy to understand once you know three ideas: overtime usually counts, the point spread levels out the teams, and different bookmakers often set slightly different lines. This guide covers the main markets with worked numbers and shows why those differences create middles.
Updated 22 October 2026
Contents
Game format and overtime
An NBA game has four quarters of 12 minutes. Under FIBA rules, used in the EuroLeague and in European domestic leagues, quarters last 10 minutes. If the score is level at the end, teams play five-minute overtimes until there is a winner.
For betting, the key point is that the main basketball markets (moneyline, spread and total points) include overtime at most bookmakers. Some Central European bookmakers also offer a three-way 1X2 on regulation time only. Never confuse the two; our overtime betting rules guide explains why.
Moneyline
The moneyline (or "match winner incl. overtime") is a bet on the team that wins the game. Two outcomes, no draw. Example: Team A at 1.40, Team B at 3.00. A €20 bet on Team B returns €60 (net +€40) if B wins, including a win in overtime.
Big favourites in basketball often have very short odds, which is why most basketball betting happens on the spread.
Point spread
The point spread (handicap) gives the underdog a head start. If Team A is −5.5 and Team B is +5.5, a bet on A wins only if A wins by six or more points. A bet on B wins if B wins outright or loses by five or fewer.
- Final score 98-90: A wins by 8. A −5.5 wins, B +5.5 loses.
- Final score 95-91: A wins by 4. A −5.5 loses, B +5.5 wins.
Both sides are usually priced near 1.90, so the bookmaker's margin is about 1/1.90 + 1/1.90 = 1.053, roughly 5%. With whole-number lines such as −5, a win by exactly five is a push: the stake is returned.
Totals
The total (over/under) is a bet on the combined points of both teams. A line of 162.5 in a EuroLeague game means over wins with 163 or more points. Totals usually include overtime too, which helps the over: an overtime period typically adds around 15 to 25 points. There are also team totals and player props such as points, rebounds and assists.
Quarter and half markets
You can bet on the spread, total or winner of a single quarter or half. These markets have lower limits and wider margins. Two details matter:
- Quarter and half 1X2 can end in a draw, because a quarter does not go to overtime. Two-way quarter markets usually refund the stake on a tie.
- Second-half and fourth-quarter bets include overtime at some bookmakers and exclude it at others. Check before combining two bookmakers on these.
Why basketball creates middles
A middle is a pair of bets on opposite sides of two different lines, so that a result in the gap between them wins both bets. Basketball suits middles because scores are high, final margins are spread over many possible values, and bookmakers move their lines at different speeds when news arrives (an injured starter, a late line-up change).
Bookmaker A has Team A −4.5 at 1.95. Bookmaker B still has Team B +6.5 at 1.95. You stake €50 on each side (€100 total). A winning €50 bet at 1.95 returns €97.50.
| Final margin | A −4.5 | B +6.5 | Net |
|---|---|---|---|
| A wins by 7 or more | +€47.50 | −€50.00 | −€2.50 |
| A wins by 5 or 6 (the middle) | +€47.50 | +€47.50 | +€95.00 |
| A wins by 4 or less, or loses | −€50.00 | +€47.50 | −€2.50 |
Most of the time you lose a small amount (−€2.50). If the margin lands in the middle, you win both bets (+€95). Whether this is worth it depends on how often the game ends in that gap, so a middle is a calculated bet, not a sure bet.
If the odds are high enough that the outside results are also positive, the middle becomes a sure bet with a bonus chance. Our middles guide explains how to judge them, and the middle bet calculator does the maths for any two lines.
Risks to know
- Mixed overtime rules. A 1X2 on regulation time combined with a moneyline including overtime leaves a gap. Ties after regulation are rare in basketball but they happen.
- Player status. Lines can jump within seconds when a key player is ruled out. If one leg is accepted and the other price has moved, see what to do when a leg fails.
- Limits on quarter markets and props are low, and bookmakers watch accounts that only bet on stale lines.
Frequently asked questions
Does overtime count in basketball bets?
For the main markets (moneyline, point spread and total points), yes at most bookmakers. Three-way markets on regulation time, single quarters and first-half bets exclude it, and second-half or fourth-quarter rules differ between bookmakers.
What does −5.5 mean in basketball betting?
It is the point spread. A bet on a team at −5.5 wins only if that team wins by six or more points. The opponent at +5.5 wins the bet if it wins or loses by five or fewer.
What is a middle in basketball?
A middle is a bet on both sides of two different lines, for example Team A −4.5 at one bookmaker and Team B +6.5 at another. If Team A wins by five or six, both bets win; otherwise you usually lose a small amount.
Can a basketball quarter end in a draw?
Yes. A single quarter or half does not go to overtime, so it can end level. Three-way quarter markets pay the draw; two-way quarter markets usually refund the stake on a tie.
Sources
- FIBA: Official Basketball Rules
- NBA: Official Rulebook
- Gemeinsame Glücksspielbehörde der Länder (GGL): permitted basketball betting markets (in German)
- Basketball Austria: official site (in German)
As of October 2026. Bookmakers' rules, odds and offers change; their current terms and betting rules always apply.
Betting involves risk, even with sure bets: prices move, bets get voided, accounts get limited. Only use money you can do without. Our responsible gambling page lists free help in Austria and Germany.
Information, not betting, legal or tax advice. 18+.