Bet Type Guide

Bet Type GuidePoint Spread Betting Explained

The point spread is the highest-volume bet type in US sports betting because it levels uneven matchups by adding or subtracting points from each team\'s final score. This guide explains how spreads work, what "covering" means, and how to think about key numbers and buying points.

By BettingInDC Editorial Team · Updated May 16, 2026 · Our methodology

How point spreads work

A point spread evens out a mismatched game by giving the underdog a head start. The favorite gives points; the underdog gets points. The bet settles based on the final score adjusted for the spread.

Favorite (minus): must win by more than the spread to cover.
Underdog (plus): can lose by less than the spread or win outright to cover.

Standard spread juice is -110, meaning a $110 stake wins $100. Both sides typically post at -110, with the small margin representing the sportsbook\'s edge.

Example: Commanders -3.5 vs Cowboys +3.5

Commanders -3.5 (-110) | Cowboys +3.5 (-110)

If the Commanders win 27-21 (a 6-point margin), the spread bet on Commanders -3.5 wins because they won by more than 3.5. The Cowboys +3.5 bet loses. If the Cowboys win 24-17 (a 7-point Dallas margin), the Cowboys +3.5 wins. If the Commanders win 24-21 (a 3-point margin), the Commanders -3.5 bet loses (they didn\'t cover) and Cowboys +3.5 wins (they kept it within 3.5 points).

Pushes and half-point spreads

When a spread is a whole number (like -7 or +3), a final margin that lands exactly on the number is a "push"; the bet is voided and your stake refunded. Half-point spreads (-7.5, +3.5) cannot push because no game can end with a half-point margin. Sportsbooks often post both whole-number and half-point versions of the same line at different prices.

Key numbers in NFL spreads

Because the NFL scores in 3s (field goals) and 7s (touchdowns), certain margins happen far more often than others. The most common NFL final-score margins are 3, 6, 7, 10, and 14. These are called "key numbers." Spreads on those exact numbers (-3, -7, -10) are particularly volatile, and getting your spread off of those numbers (e.g., -2.5 or -3.5 instead of -3) can meaningfully change your win rate. Buying half a point off a -3 to a -2.5 is often considered worthwhile in football.

Other sports have different key numbers. NBA spreads cluster around -1 to -12 with less concentration. MLB run lines are fixed at 1.5. NHL puck lines are fixed at 1.5.

Buying points

Buying points means moving the spread in your favor (e.g., from +3 to +3.5) in exchange for worse odds (e.g., from -110 to -130). The trade is whether the extra half-point is worth the additional juice. In football, buying off the 3 and the 7 is generally smart; in other sports the math typically favors keeping the standard line.

How spreads move

A spread can shift based on:

Injury news: a star quarterback ruled out can move an NFL spread by 4-7 points.
Public money: heavy bet flow on one side prompts sportsbooks to adjust prices.
Sharp money: known professional bettors\' wagers shift lines disproportionately.
Weather: wind and rain forecasts shift NFL totals and spreads.

Closing line value (the spread at the moment the game starts vs the spread you bet) is the most predictive metric for long-term spread bettors. Beating the closing line consistently is the hallmark of professional spread betting.

Where to bet spreads in DC

All six DC sportsbooks offer full spread coverage across every sport: FanDuel, DraftKings, BetMGM, Caesars, Fanatics, and theScore Bet. Line shopping is especially valuable for spread bettors because spreads can differ by a half-point or more across operators on the same game.

Hold & Vig Calculator

Enter both sides of a two-way market (typical spread, total, or moneyline) and see how much the sportsbook is holding. The calculator returns implied probability for each side, the overround (sum), the sportsbook hold percentage, and the no-vig fair odds.

Sportsbook Hold Calculator

Side A odds

Side B odds

Side A implied probability: --
Side B implied probability: --
Sum (overround): --
Sportsbook hold: --
No-vig fair odds (A): --
No-vig fair odds (B): --

Standard NFL spread hold at -110 on both sides is 4.76%. Anything below 4% is a soft market; anything above 6% is high-juice (parlays, props, live betting). Beating the closing line means consistently betting at odds with lower implied probability than the no-vig fair price.

Frequently asked questions

What does -7.5 mean in a point spread?

A -7.5 point spread means the team is favored by 7.5 points. For your bet to win (called "covering the spread"), the favorite must win by 8 or more points. If they win by exactly 7, the bet loses because 7 is less than 7.5.

What is a push in spread betting?

A push happens when the final margin lands exactly on the spread (e.g., favorite spread is -7 and they win by exactly 7). In a push, the bet is voided and your stake is refunded. Half-point spreads (-7.5, +3.5) cannot push because no game can end with a 7.5-point margin.

Why are point spreads so often at -110?

The -110 price (called the "juice" or "vig") is the sportsbook's margin. At -110 on both sides, the sportsbook expects to win roughly 4.5% of total handle over time. Some operators offer reduced juice promotions (e.g., -105) for new customers or on featured games.

What is "buying points" on a spread?

Buying points lets you move the spread in your favor in exchange for worse odds. Example: a +3 underdog spread at -110 might be available at +3.5 at -130 (you paid worse juice for an extra half-point of cushion). Buying points off the key numbers in football (3 and 7) is generally considered worthwhile; buying points in other sports is usually less valuable.

Is the spread different from the run line or puck line?

They're the same concept under different names. NFL/NBA call it the "point spread," MLB calls it the "run line" (fixed at 1.5 runs), and NHL calls it the "puck line" (fixed at 1.5 goals). Soccer uses "Asian handicap" or "goal line" which works similarly but supports quarter-handicaps for finer pricing.

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