Teaser Bet Calculator: Calculate Odds, EV & Payouts for Teaser Bets

A powerful teaser bet calculator helps you plan smarter wagers by showing the math behind each leg, the fair (vig-free) probability, and the expected value (EV) of your slip. This guide walks you through how the teaser bet calculator works, when classic Wong setups (crossing 3 and 7 in NFL) may appear, and why price and house rules matter just as much as the legs you pick. You will also find clear examples, common pitfalls, and links to deeper strategy pages built for both beginners and intermediate bettors.

Results are never guaranteed, so treat this as education first, with tools that help you make informed choices.

How This Teaser Bet Calculator Works

This section explains, in plain language, how the teaser bet calculator turns your inputs into useful outputs. Start by adding your legs, setting tease points (for example, 6/6.5/7 in football or 4/4.5/5 in basketball), and entering the listed book price. The calculator separates the sportsbook's margin (often called the vig) from the market price to estimate a vig-free, fair probability for each leg. That fair view helps you understand what the bet would look like without the built-in house edge, so you can compare against real-world pricing.

Next, the tool combines those fair probabilities into one overall chance for your teaser to cash. It compares that fair probability to the book price you selected and shows a clear EV percentage alongside a payout estimate for your stake. If you prefer the details, you can open a collapsible panel that walks through the step-by-step maths: removing vig from each leg, combining probabilities, and mapping the result to your selected price. This panel is designed for mobile users—tap to expand, read the maths, then tap to close.

Here is a simple example to show the flow. Suppose you are testing a two-leg, 6-point football teaser at a common listed price. You enter both games, adjust the points, and let the calculator estimate a fair probability for each teased leg. The tool multiplies those fair chances to get an overall fair probability for the teaser. It then compares that fair probability to the listed book price and displays EV percentage so you can judge whether the price is broadly favorable, neutral, or poor. If the EV looks good, you still need to confirm two things: (1) the actual price available right now at your chosen operator, and (2) the teaser rules that apply (especially push handling).

Assumptions differ by sport. Football models emphasize how point moves interact with common scoring margins. Basketball allows smaller point moves but tends to be more volatile, so caution is wise. The calculator reflects these realities with sport-aware settings and copy, while keeping the interface simple for quick checks on mobile.

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Wong Teaser Indicator in the Calculator

A classic Wong setup in NFL aims to tease through 3 and 7, the two most common key numbers in pro football. When your teased line crosses both 3 and 7—like moving an underdog from +2.5 to +8.5, or a favorite from -8.5 to -2.5—the calculator highlights a Wong Teaser Indicator. This flag is a cue to slow down, confirm the price, and check the house rules before you commit.

Treat the indicator as a filter, not a promise. Even when the setup looks right, a teaser can still be over-priced or simply lose. Use the signal to tighten your process:

Check price first. Small price changes can flip EV from positive to negative.

Review rules. Push handling on 2-leg teasers, treatment of voided legs, and special teaser types can change outcomes.

Mind the don'ts. Don't tease through zero in most cases; you gain little for the cost. Avoid stacking extra legs for value if the price worsens your EV.

If you want more depth, our focused strategy page covers qualifying lines, common errors, and how to think about totals. See our Wong Teaser Strategy Guide.

You can also scan common pitfalls before you place a bet by checking our guide on common teaser mistakes.

Price Shopping and Teaser Rules

Two identical slips can perform very differently depending on (1) the price you pay and (2) the rules the sportsbook uses. The teaser bet calculator is most powerful when you pair it with price shopping and a quick rules review.

Start with price. Teasers are highly sensitive to juice. A small shift can erase a thin edge, especially on two-leg slips. Compare multiple books before you lock in a line, and be cautious when prices drift to steeper juice. Next, review rules. Push handling on 2-leg teasers can change your expected value because a push may be treated differently than a loss or a drop-down. Treatment of voided legs, restrictions on certain sports, and special teaser offers can also shift outcomes. Always check the exact rules for your book, leg count, and sport.

Key Factors to Compare

Teaser Pricing

Different sportsbooks offer different odds for the same teaser configuration. A 6-point, 2-team NFL teaser might be priced at -110 at one book and -120 at another. That 10-cent difference adds up quickly, especially if you bet teasers regularly.

Push and Void Rules

Some books refund a 2-leg teaser if one leg pushes. Others treat it as a loss. On 3+ leg teasers, a push usually reduces the teaser by one leg. Check the specific rules for your book and leg count.

Special Teaser Types

Some books offer special teasers with adjusted points or pricing. These can be good or bad value depending on the rules. Always verify the exact terms before placing the bet.

If you are still comparing operators or need deeper detail, use our teaser rules hub for book-by-book and state-by-state notes.

For broader shopping, view our regularly updated price grid for the best teaser odds across multiple sportsbooks.

If you are deciding between bet types, our comparison page can help you weigh pros and cons of teasers versus parlays or same-game parlays.

Understanding Expected Value (EV)

The calculator displays an EV percentage to help you assess whether a teaser offers fair value at the listed price. Here is what that means:

Positive EV (+): The fair probability suggests you are getting better than market price. This does not guarantee a win, but it indicates the bet may offer value over time.

Negative EV (-): The fair probability suggests you are paying too much. The sportsbook edge is working against you more than usual.

Near Zero EV: The bet is roughly fair. You are not getting robbed, but you are not finding significant value either.

EV is a long-term concept. One teaser with positive EV can still lose. One teaser with negative EV can still win. The goal is to make informed decisions that tilt probabilities in your favor over many bets.

How the Calculator Estimates EV

The calculator starts by removing the vig from each leg to estimate a fair, no-vig probability. It then combines those probabilities to get a fair chance for the entire teaser. Finally, it compares that fair probability to the book price you selected and calculates the difference as EV percentage.

This process gives you a quick snapshot. It is not perfect—market conditions, sharp money, and real-time line moves can affect true probabilities—but it is a useful starting point for evaluating teasers before you place them.

Teaser Bet Calculator FAQs

What is a teaser bet?

A teaser is a parlay-style wager where you adjust spreads or totals across multiple legs in your favor. The trade-off is a lower payout. All legs must win for the teaser to cash. For a complete breakdown, see our Teaser Betting Guide.

How many points can I tease in football and basketball?

Football teasers commonly offer 6, 6.5, or 7 points. Basketball teasers often offer 4, 4.5, or 5 points. The teaser bet calculator supports these options so you can see how each setting changes your slip.

What makes an NFL Wong teaser?

A classic setup teases spreads to cross 3 and 7. The calculator flags these with a Wong Teaser Indicator so you can evaluate price and rules. It is a helpful filter, not a guarantee. See our Wong Teaser Strategy Guide for more details.

Should I ever tease through zero?

Generally no. Teasing through zero usually gives you little practical benefit for the cost you pay. Our strategy page explains the trade-offs and when exceptions might be considered.

How do pushes work on teasers?

Rules vary by book and by leg count. Some books refund a 2-leg teaser with one push; others apply different rules, especially on special teaser types. Check the rules first.

How many legs should I use in a teaser?

Fewer legs keep risk in check. Each extra leg adds failure points and can reduce EV unless the price improves. Start simple with two legs and evaluate price and rules before adding more.

Are basketball or college teasers worth it?

Basketball margins and college markets can be more volatile. Many bettors are cautious here. If you explore them, compare price and check rules carefully.

Where should I place teaser bets?

Pick the operator with the best available price for your exact slip and clear push/void rules you are comfortable with. Our live grid can help you compare.

When to Use the Teaser Calculator

Before Placing Any Teaser

Always. Run your slip through the calculator before committing money. You need to see the fair probability, EV estimate, and potential payout.

When Comparing Sportsbooks

Different books offer different teaser pricing. Use the calculator to see which book gives you the best value for your specific slip configuration.

After Building Your Slip

You might think you have a good teaser, but the calculator can reveal whether the price you are paying makes sense. If the EV is deeply negative, reconsider the bet.

When Exploring Wong Setups

If you are testing classic Wong teaser lines (crossing 3 and 7 in NFL), the calculator flags these and helps you evaluate whether the price and rules support the setup.

Common Mistakes to Avoid

Ignoring Price Differences

A 10-cent difference in teaser pricing might not seem like much, but it compounds over time. Always shop for the best price before placing your bet.

Adding Too Many Legs

Each leg you add increases your risk and usually reduces your EV unless the price improves proportionally. Start with 2-leg teasers and only add more if the math supports it.

Teasing Through Zero

Teasing a -2.5 favorite to +3.5 crosses zero but offers minimal practical value. You are paying for points that rarely matter. Stick to lines that cross meaningful key numbers.

Not Checking Push Rules

Push handling varies by sportsbook and leg count. A push on a 2-leg teaser might refund your stake at one book and count as a loss at another. Know the rules before you bet.

Chasing Big Payouts

Teasers already reduce your payout compared to straight bets. Adding extra legs to chase a bigger return usually backfires because the odds of all legs hitting drop significantly.

Responsible Betting

Sports betting should be fun and optional. Only wager what you can afford to lose, take breaks often, and set limits before you start. If the calculator shows a positive EV, that does not mean you will win. Outcomes vary and risk remains in every bet.

If you want help or guidance, visit our Problem Gambling Help page for free, confidential support available 24/7.

Final Thoughts

Use the teaser bet calculator as your first check, then verify price and rules before you place anything. Keep legs lean, avoid paying heavy juice, and treat the tool's indicators as signals to slow down and re-evaluate rather than green lights. When you stay disciplined on price and push handling, you give yourself the best chance to make informed, responsible choices.

For a complete breakdown of teaser betting strategy, bankroll management, and when to use teasers versus other bet types, see our comprehensive Teaser Betting Guide.

To learn about classic Wong teaser setups in detail, check out our Wong Teaser Strategy Guide.