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Teasers
A teaser is a parlay in which you move every point spread or total in your favour by a fixed number of points, in exchange for a lower payout. In football the standard move is six points, so a -7.5 favourite becomes -1.5 and a +2.5 underdog becomes +8.5. All legs still have to win.
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How does a teaser bet work?
You pick two or more sides or totals, the book shifts each line by the teaser points, and the ticket is paid at a fixed price set by the number of legs (a two-team six-point teaser is often priced around -110 to -130, depending on the book). Basketball teasers usually move four to five points. Pushes are handled by the house rules, often by dropping the leg and paying the ticket at the price for one fewer team.
How do you work out whether a teaser is worth it?
Convert the teaser price to the win rate each leg needs. For a two-team teaser, the ticket's break-even probability is the implied probability of the price, and each leg needs the square root of that, because both must win. That per-leg number is the bar. The question is then whether moving this particular line by six points lifts its cover rate above the bar. That is the arithmetic a teaser calculator runs and rarely shows.
Why do key numbers decide teasers?
Six points are not worth the same everywhere. Because NFL games end by 3 or 7 points so often, a six-point move that crosses both numbers (taking an underdog from +1.5 to +7.5, or a favourite from -7.5 to -1.5) gains much more cover probability than a move that crosses neither. Most of the value of a football teaser, when there is any, sits in those crossings. Teasing a line through dead numbers, or teasing basketball where margins have no strong clusters, usually leaves you paying for points that do little.
How does SpeedBet cover teasers?
We show the per-leg break-even rate for each teaser price, book by book, and which lines cross the key numbers. We do not tell you which games to tease.
Where should I start?
Use the teaser bet calculator to see the break-even maths for two, three and four teams. If key numbers are new to you, the point spreads hub explains why 3 and 7 matter, and the parlays hub covers how pushes resettle a multi-leg ticket.