A live point spread is a new handicap a sportsbook posts during a game. It is reset from the current score and time remaining, not carried over from the closing pregame line.

A bettor who opens the app mid-game and sees a different number than the pregame spread is looking at this reset. The live number decides what margin the bet must clear at the final horn.

The underlying bet is the same as a pregame spread. The favorite carries a negative number and must win by more than it. The underdog carries a positive number and covers by losing by less or winning outright, according to DraftKings' spread betting guide. The wider rules are covered in the football point spread basics.

How the number resets

Sportsbooks run algorithms that produce updated odds "within seconds" of an in-game event. Wes Burns wrote in a BettingUSA in-play guide updated September 22, 2026, that the odds may change after every make, miss, foul, turnover or substitution.

The inputs named by Growl Games in an August 6, 2026 post are score differential, time remaining, foul trouble on key players, scoring runs and substitution patterns. Score and clock are the dominant drivers, the post said.

A full-game live spread is still graded on the official final score with the stated spread applied, according to DraftKings Market Rules. That is why the live number includes points already on the scoreboard, not only the margin expected from the time left.

Once a live bet is accepted, its number and payout are locked. DraftKings' General Rules state: "You cannot partially or totally change the odds associated with the bet." The line keeps moving for everyone else.

The price attached usually stays at the standard -110 on each side, which a Tech Insider benchmark put at a 4.55 percent built-in margin. Whole-number live spreads can push, and half-point spreads cannot.

Where is this game heading?

Type the clock, the score and the pregame numbers. See the final total if the scoring so far holds, the total if the rest of the game plays to the pregame number, and what the live line needs.

Pregame

Live now (optional)

Spreads as the book shows them for your team: -4.5 is favored by 4.5. Overtime adds 5 minutes a period.

Final total if the scoring so far holds ?

Two plain projections, not a forecast: the pace so far includes free throws, garbage time and hot shooting that may not last, and the pregame rate assumes the rest of the game plays as the market expected before tip-off. Where the live line sits against them is the market's view; which way to lean is your call. Overtime is projected at the pregame per-minute rate.

How live totals and spreads move, and what pace can and cannot tell youOpen the full calculator

Where the reset shows up

The sources available for this article give illustrative moves, not a dated line history from a named book. A time-stamped live spread move from Action Network or Covers was not among them, so the figures below show the pattern of the reset, not a specific game.

A favorite pulls away. A team favored by 3.5 pregame that leads by 10 at halftime can be posted at roughly -10.5 to -11.5 on the live full-game spread, according to Basketball Bet Markets. The new number starts from the 10 points already banked.

An underdog falls behind. Growl Games gave the example of a team trailing by 15 at halftime, whose live full-game spread "might be offered at +18.5." That cushion is wider than the deficit and wider than the opening line.

A star leaves. Tech Insider reported that an injury to a top-5 star can move an NBA spread by 4.5 to 6.5 points. BettingUSA described a heavy favorite that loses two stars seconds into a game and "suddenly" no longer looks like a big favorite.

Basketball scores roughly every 20 to 30 seconds of play, Basketball Bet Markets said, so its live spreads update far more often than football's. The reasons NBA numbers move more are set out in the basketball spread guide.

Not the closing line, not a cash-out

Two things are mistaken for a live spread. The closing pregame line is a fixed number that stops moving at tip-off. A cash-out reprices a bet already placed, and it does not create a new one.

Live point spread Pregame spread Cash-out
What it is A new bet at the current number A bet at the number posted before the game An early settlement of an existing bet
When the number changes After scores, fouls, substitutions, the clock Before the game starts; can sit for hours or days Continuously, off current odds and win probability
Built-in cost cited in sources -110 standard, a 4.55% margin (Tech Insider) -110 standard, a 4.55% margin (Tech Insider) 6% to 12% below fair value (Tech Insider, 2026 testing)
How it settles Final score with the live spread applied Final score with the pregame spread applied At the amount accepted, before the game ends

Before tapping the live number

The screen trails the game. Basketball Bet Markets reported a 1 to 3 second delay between an on-court event and the odds update. Tech Insider measured bet acceptance at 1.4 to 2.6 seconds across major US books during the 2026 NBA playoffs, with DraftKings fastest at 1.4 seconds.

DraftKings lets customers approve each odds change by hand or set the account to accept changes automatically. Auto-accept means a bet can fill at a number worse than the one tapped. The same rules allow bets placed on a "stale" line to be voided.

The live number is only worth taking if it differs from the bettor's own read of the final margin, given the score and time left. Methods for building that read in the NBA are covered in the in-game NBA strategies page.

Availability can change by state. A Pennsylvania Joint State Government Commission report recommended a statewide ban on live betting, BettorsInsider reported on July 18, 2026. No immediate legislative action was expected as of that report.