This article explains how teasers work, how books commonly price them, and how a betting teaser calculator can help you compute payouts and expected value. You will get a step-by-step checklist for calculator inputs, a math-focused EV walkthrough, notes on house rules that change outcomes, and hands-on examples designed for sports enthusiasts and analytics users. The guide assumes a working familiarity with spreads and parlays but explains each concept plainly so you can match a calculator's inputs to the operator rules you encounter.

A teaser moves spreads or totals by a fixed number of points across multiple legs in exchange for different odds.

Books price teasers via preset pay tables or dynamic alternate-line conversions, so the same package can pay differently across operators.

Compute EV by converting teased lines to leg probabilities, multiplying them, and comparing to the sportsbook-implied probability.

What a teaser bet is and how it differs from parlays and straight spreads

A teaser is a multi-leg wager that lets you move point spreads and totals by a fixed number of points in your favor across every leg, in exchange for different odds than a standard parlay; the trade-off is lower payout odds for the benefit of more favorable lines, and availability is most common in football and basketball What Is a Teaser Bet? How Teasers Work in Sports Betting (Guide).

In plain terms, imagine two NFL games where you like two favorites but the spreads are just a few points away from the outcomes you expect. A teaser lets you shift each spread by the same teaser amount so both selections become more likely to cover, while the book applies a specific teaser price for that points package and number of legs. Teasers change how you think about correlation, touch key numbers, and push handling compared with singles and parlays Teaser Bets Explained: How To Bet Teasers and Key Rules.

Common sports and markets where teasers appear are primarily football and basketball, typically involving point spreads and totals; many operators exclude proposition markets from teaser offerings and availability can vary by operator and jurisdiction What Is a Teaser Bet? How Teasers Work in Sports Betting (Guide).

Quick comparison, presented as a short list for clarity:

Teaser: multiple legs, uniform point adjustment across legs, adjusted payout based on points and legs, sensitivity to push rules.
Parlay: multiple legs with original lines, payout based on combined odds, correlation can boost or hurt value.
Single spread: one bet on a spread or total at the listed line with single-leg odds.

Example sentence to illustrate a single-leg move: if an NFL favorite is -7.5 and you take a 6-point teaser, that leg becomes -1.5 after the adjustment, which can cross the key number 3 and change the leg win probability meaningfully Teasers in Sports Betting: How They Work and When to Use Them.

Try the teaser calculator and EV walkthrough

Try a calculator to see how moving a few points changes implied probabilities and long-run expected value, then use the EV walkthrough below to validate model outputs.

Open challenges and calculators

How sportsbooks price teasers: pay tables versus dynamic alternate-line pricing

Bookmakers commonly use one of two approaches to price teasers: preset pay tables or dynamic pricing derived from alternate lines. Preset pay tables present the user with a matrix where payout depends on the number of teaser points and the number of legs, which is straightforward to display and easy to apply at the user interface level Teasers in Sports Betting: How They Work and When to Use Them.

By contrast, dynamic pricing derives teaser odds from alternate-line prices for each leg, effectively recomputing what each teased leg would be worth at its adjusted line and then combining those implied prices into a composite teaser price. This method can make two similar-looking teasers pay differently across operators because the alternate-line markets or the way the operator converts those lines into probabilities differ How to Price Teasers and Calculate Expected Value.

Practical implication: when you use a calculator, you need to know whether your operator uses a pay-table matrix or dynamic alternate-line conversion; the same points and number of legs can yield different payouts on different books and on different dates with the dynamic method How to Price Teasers and Calculate Expected Value.

Micro-example: a two-leg 6-point teaser might be offered on a pay table at one set of payouts, while another sportsbook that prices dynamically could offer a slightly better or worse price because its alternate-line markets imply different single-leg probabilities for the adjusted lines Teasers in Sports Betting: How They Work and When to Use Them.

Using a betting teaser calculator: inputs, modes, and expected outputs

Close up of a betting teaser calculator pay table on a dark Funded Plays style screen showing highlighted rows for points and legs in a clean minimalist layout

The practical purpose of a betting teaser calculator is to accept your selections, the original lines, the chosen teaser points and number of legs, plus either market-implied probabilities or model probabilities, and return a payout, the sportsbook-implied probability, and an expected value comparison. A good calculator explicitly supports both pay-table and dynamic pricing modes so you can match the operator's method How to Price Teasers and Calculate Expected Value.

Required inputs you should expect to enter are: each leg's original line or total, the teaser points you plan to apply, the number of legs in the ticket, and a probability for each leg coming from your model or from market-implied prices. The calculator should also allow you to select pricing mode: table-based lookup or dynamic alternate-line conversion How to Price Teasers and Calculate Expected Value.

Expected outputs from a robust tool include the dollar payout per unit stake for the chosen teaser package, the sportsbook-implied probability that the teaser wins based on the payout, and an EV calculation that compares your combined model win probability to the implied probability. Additional outputs that help decision-making are per-leg adjusted lines, per-leg implied probabilities, and sensitivity toggles for changing model inputs How to Price Teasers and Calculate Expected Value.

Checklist for the calculator interface: provide labeled fields for each leg and its original line, a selector for teaser points and leg count, a toggle for pricing mode, and an input area for model probabilities or a market-probability import option. Make sure your entries match the operator units, for example whether lines use half-points or whole points, to avoid input errors How to Price Teasers and Calculate Expected Value.

Combine leg probabilities and pricing mode to compute payout and EV

Choose table or dynamic pricing mode

Step-by-step EV calculation: converting adjusted spreads into leg probabilities

To compute expected value for a teaser, start by converting each teased line into a win probability. You can do that by using market-implied probabilities for the adjusted line or by applying your own model's distribution to the teased line; both approaches are valid but they will produce different probabilities and therefore different EV estimates How to Price Teasers and Calculate Expected Value.

Step 1, translate each teased spread or total into a single-leg win probability. If you have a market-implied price for the teased line, use that directly. If you use a model, calculate the cumulative probability that the game outcome falls on the side that covers the teased line and enter that probability into the calculator How to Price Teasers and Calculate Expected Value.

Step 2, combine independent leg probabilities by multiplying them to get the overall teaser win probability. For example, if the teased legs imply 0.60 and 0.55 probabilities, the combined chance equals 0.60 times 0.55. Be cautious: this method assumes independence; correlated legs will violate that assumption and require adjustment or alternative methods to avoid overstating the win chance How to Price Teasers and Calculate Expected Value.

Step 3, convert the sportsbook payout into an implied probability and compute EV by comparing model probability with implied probability and multiplying by payout structure. The basic EV check is model_win_probability minus sportsbook_implied_probability, scaled by the payout to determine whether the contract is favorable on paper How to Price Teasers and Calculate Expected Value.

House rules and critical decision criteria: push handling, tie rules, and market availability

Push handling is a material rule variance across operators; many books treat a push in a two-leg teaser as a loss, while in larger teasers a pushed leg may drop and the ticket is re-priced or reduced, so you must check the operator's rules before assuming how your calculator should handle pushes Teaser Bets: What They Are, Rules, and Payouts.

Operationally, that means when you run a calculator you should flag the chosen push rule: convert pushes to losses, drop the leg and re-price the bet, or treat pushes as ties that reduce leg count. The calculator should offer these options so you can model the different house behaviors and see how EV changes under each rule set Teaser Bets Explained: How To Bet Teasers and Key Rules.

How should I use a betting teaser calculator to decide whether a teaser has positive expected value?

Convert each teased leg to a win probability using market or model inputs, multiply those probabilities to get the combined win chance, determine the sportsbook-implied probability from the payout, and compare the model chance to the implied chance to compute EV while accounting for push rules and correlation.

Also verify market availability: teasers most commonly cover point spreads and totals in football and basketball and often exclude proposition markets. Availability depends on the operator and jurisdiction and can change, so the calculator should let you select allowed markets and warn if a leg type is not supported by your chosen book What Is a Teaser Bet? How Teasers Work in Sports Betting (Guide).

Checklist of house rules to verify before you place a teaser: push handling policy, whether props or certain markets are excluded, which pricing method the operator uses (pay table or dynamic), and rounding or half-point conventions that affect adjusted lines Teaser Bets: What They Are, Rules, and Payouts.

Common strategies and when teasers can make sense (including the Wong teaser concept)

One well-known strategy is the Wong teaser, which targets NFL lines near the key numbers 3 and 7; the idea is to move favorites and underdogs across those thresholds with a typical teaser amount so the legs cross historically relevant margins, for example moving a favorite from -7.5 to -1.5 or bringing an underdog from +1.5 to +7.5 NFL Teasers and Wong Strategy: What Still Works in 2025?.

Historically the Wong teaser found edges because small shifts across key numbers altered win probabilities disproportionately, but analysts note that those advantages have narrowed as pricing and totals evolved through 2024 and 2025, and modern teaser pricing often reflects those adjustments Teasers in Sports Betting: How They Work and When to Use Them.

Funded Plays Challenges

Open challenges and calculators

Practical rules of thumb for when a teaser may be worth considering include: prefer legs where the teased adjustment crosses meaningful margins, avoid heavy correlation unless your model accounts for it, and always compare the combined model probability to the operator-implied probability rather than relying on intuition alone NFL Teasers and Wong Strategy: What Still Works in 2025?.

Troubleshooting calculators and common user errors to avoid

Common input mistakes include entering the original line incorrectly, mixing point units (for example entering whole points when the operator uses half-points), and mismatching the number of legs in your probability inputs versus the leg count selected. Small entry errors can create large EV differences, so validate each field before trusting the output How to Price Teasers and Calculate Expected Value.

Correlation is another frequent trap: treating two legs as independent when they are likely correlated will overstate the combined win probability. A calculator should let you flag correlated legs or apply a simple correlation adjustment so you can see how sensitive EV is to that assumption How to Price Teasers and Calculate Expected Value.

Also pay attention to push handling and dropped-leg logic; if your calculator assumes pushes drop and the sportsbook treats pushes in two-leg teasers as losses, your EV output will be overly optimistic. Make sure the calculator allows you to select the house rule for pushes or to manually model the pushed-leg outcome Teaser Bets Explained: How To Bet Teasers and Key Rules.

Worked examples: step-by-step teaser calculator scenarios

Example 1, two-leg NFL teaser, hypothetical inputs: original lines U1 = Favorite A -8.5, U2 = Favorite B -4.0, teaser points = 6, pricing mode = pay table. Convert each teased leg: A teased to -2.5, B teased to +2.0. Enter model probabilities for the teased legs, multiply them to get combined win chance, then compare to the pay-table payout to compute EV. This walkthrough assumes a pay-table style price for clarity and is hypothetical How to Price Teasers and Calculate Expected Value.

Minimalist 2D vector flowchart showing teased line to probability to combined EV with a calculator UI mockup in Funded Plays dark palette betting teaser calculator

Handling a push in the two-leg example is material: many books treat a push in a two-leg teaser as a loss, which you should model explicitly. If your calculator default treats pushes as dropped legs, override that default in the two-leg case to match the operator rule, then re-run the EV to see the difference Teaser Bets: What They Are, Rules, and Payouts.

Example 2, three-leg NBA teaser, hypothetical inputs: three spreads at lines that when teased by 4 points move into favorable territory. Use dynamic pricing mode in this scenario: convert each teased line into its alternate-line implied price and combine those implied probabilities to get a composite implied probability, then compare to the dynamic teaser payout the site shows. Run sensitivity checks by varying a single leg probability up or down to observe EV elasticity How to Price Teasers and Calculate Expected Value.

Conclusion: checklist, next steps, and responsible usage

Condensed checklist before you place a teaser: verify the sportsbook push rule, confirm whether props or specific markets are excluded, identify the pricing mode used by the operator, enter accurate model or market probabilities for each teased leg, and run sensitivity checks to understand EV range What Is a Teaser Bet? How Teasers Work in Sports Betting (Guide).

Use a betting teaser calculator as a model-driven decision tool, not as a guarantee. Test assumptions in simulated or challenge environments, review outputs against house rules on our blog, and keep disciplined bankroll checks when you move from analysis to real-world play. Where available, practice with a skill-focused platform to refine probability inputs and the decision process rather than treating teaser results as certainty Teaser Bets Explained: How To Bet Teasers and Key Rules.

What inputs does a betting teaser calculator need?

Typical inputs are each leg's original line, chosen teaser points, number of legs, and model or market probabilities for each leg.

How do push rules affect teaser outcomes?

Push policies vary by operator; pushes can count as losses in small teasers or drop and re-price in larger teasers, so always confirm the house rule.

When should I use a teaser instead of single spreads?

Consider a teaser when the adjusted lines cross meaningful margins and the calculator shows positive EV after accounting for pricing mode, pushes, and correlation.

Run model checks and sensitivity tests before acting on any calculator output. Treat teaser analysis as a disciplined, model-driven exercise rather than a shortcut to guaranteed gains. Verify operator rules and units, and where possible, practice predictions in simulated or challenge environments to build confidence in your probability inputs.