2026 Midterm Election Odds Calculator

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Bet the 2026 Midterm Elections

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Join the BUSR Experience. Bet on the 2026 midterm elections, from Senate control to the key governor races in Pennsylvania, Georgia and Wisconsin. Compare the latest election odds, follow the markets through Election Day on November 3, and enjoy 24-hour payouts, over 1,000 casino games and access to exclusive lines and boosted odds.

 

2026 Midterm Election Odds Calculator

See exactly what an election bet would pay before you place it. Pick any 2026 Senate, governor or House race at BUSR, choose a candidate and enter your stake. The calculator shows your profit, total payout and the implied probability behind the price.

Election day: Tuesday, November 3, 2026

Last updated: October 17, 2026 · Reviewed by: BUSR Editorial Team

21+ and of legal age in your jurisdiction. Please gamble responsibly. Responsible Gaming

Payout calculator

Calculate Your Election Bet Payout

Choose a market type, then a race and a selection. The calculator fills in the BUSR price automatically. You can also type any American odds to check a price of your own.

Election Odds Calculator

BUSR odds as of October 17, 2026

Pick a selection above or type any price, such as -150 or +250.

Total payout$150.00
Profit$50.00
Decimal odds1.50
Implied probability66.7%

A $100 bet on Democrats at -200 pays $150.00: $50.00 profit plus your $100 stake.

Prices are BUSR election lines as of October 17, 2026, and can change at any time. The calculator illustrates a payout only; it does not place a bet. Confirm the current price, availability and settlement rules in your BUSR account. 21+. Please gamble responsibly.

Ready to bet on the 2026 midterms?

Log in to see every election market, the current price and the settlement terms in your BUSR account.

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The math behind the payout

How does the Election Odds Calculator Work?

Election markets use American odds. The sign tells you which formula applies, and both use your stake to work out the profit. Your total payout is the profit plus the stake you put down.

Negative Odds (Favorite)

The amount you would risk to win $100.

Profit = Stake × 100 ÷ Odds

Jon Ossoff at -5000: a $100 bet wins $2, for a $102 payout.

Positive Odds (Underdog)

The amount a $100 bet would win.

Profit = Stake × Odds ÷ 100

Ken Paxton at +130: a $100 bet wins $130, for a $230 payout.

Implied Probability

The chance of winning built into the price.

Favorite: Odds ÷ (Odds + 100)
Underdog: 100 ÷ (Odds + 100)

Democrats at -200 for Senate control imply 66.7%.

Implied probability describes the price, not a forecast. It is not a poll, and the two sides of a market usually add up to more than 100% because the price includes the sportsbook’s margin. For a full walkthrough of reading odds, see how to bet on elections.

What you can calculate

Which 2026 Election Markets are in the Calculator?

The calculator includes the election markets currently listed at BUSR, grouped the same way as the sportsbook.

Senate

Senate control plus 32 state Senate races, including Georgia, Maine, Michigan, Ohio and Texas.

See the 2026 Senate control odds.

Governor

24 governor races, from close contests in Georgia and Nevada to Pennsylvania and Wisconsin.

See all governor election odds.

House and Specials

House majority, total Democratic seats, 55 district races, combined House and Senate control and the Los Angeles mayor race.

Compare everything on the 2026 midterm election odds hub.

Want analysis before you bet? See our free election picks, or go deeper on the Georgia Senate and governor, Pennsylvania governor and Wisconsin governor races.

Quick answers

Election Odds Calculator FAQ

What does the election odds calculator do?

It shows the profit, total payout, decimal odds and implied probability for a stake at any American odds. Pick a 2026 election market to load its BUSR price, or type your own odds.

Are the odds in the calculator current BUSR prices?

They are BUSR election lines as of October 17, 2026. Prices can change at any time, so confirm the current price and settlement terms in your BUSR account before placing a bet.

Does the calculator place a bet?

No. It only illustrates a payout. To bet, log in to BUSR, choose the market and confirm your selection on the bet slip.

How do I calculate the payout on negative odds?

Multiply your stake by 100, then divide by the odds without the minus sign. At -200, a $100 bet wins $50, for a total payout of $150.

How do I calculate the payout on positive odds?

Multiply your stake by the odds, then divide by 100. At +150, a $100 bet wins $150, for a total payout of $250.

What is implied probability?

It converts American odds into the winning chance built into the price. At -200 it is 66.7%; at +200 it is 33.3%. It describes the price, not a prediction of the election result.

Can I use my own odds in the calculator?

Yes. Type any American odds of +100 or higher, or -100 or lower, in the odds field. The results update as you type.

Which election markets can I calculate?

Senate control and individual Senate races, governor races, House majority, total Democratic House seats, House district races, combined House and Senate control, and the Los Angeles mayor race.

When is the 2026 midterm election?

The federal general election is Tuesday, November 3, 2026.

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