A plain-English guide to the latest election odds from Kalshi, Polymarket, and other prediction markets—what the prices mean, how they’re set, and how to read them like a trader.
What Do “U.S. Election Odds” Actually Mean?
When people talk about U.S. election odds, they’re referring to real-time prices on prediction markets and betting exchanges where traders buy and sell contracts tied to political outcomes.
Platforms like Kalshi, Polymarket, PredictIt, Betfair, and Smarkets all list contracts on questions like who will win the 2028 presidential election, which party will control the House or Senate after the 2026 midterms, and which candidates will secure their party’s nomination.
Each contract typically pays $1 if the event happens and $0 if it doesn’t. The price in cents functions as the market’s implied probability. If a contract on “JD Vance wins the 2028 election” trades at 24¢, the market is collectively saying he has roughly a 24% chance of becoming president.
Aggregator sites like ElectionBettingOdds.com pull prices from multiple platforms—Kalshi, Betfair, Smarkets, Polymarket, and PredictIt—to produce a blended probability for each candidate or party, giving you a cross-market consensus rather than any single exchange’s number.
Important: Odds shift constantly. Everything below reflects a snapshot as of mid-February 2026, not a permanent forecast.
The 2028 Presidential Race: Current Candidate Odds
Even though the 2028 election is still over two and a half years away, prediction markets are already trading heavily on the race. Over $307 million has been wagered across platforms on the 2028 presidential winner market.
The frontrunners as of February 2026:
Vice President JD Vance leads the field at around 24% across platforms, with prices ranging from roughly 23% on Betfair to 26% on PredictIt. On the Republican nomination side specifically, Vance holds a dominant position at approximately 50% on Kalshi, far ahead of any other GOP contender. His odds have been relatively stable since late 2025, bolstered by a series of high-profile public appearances and early endorsements from party figures like Virginia Governor Glenn Youngkin.
California Governor Gavin Newsom sits in second at roughly 20%, with Kalshi pricing him slightly higher than Polymarket. On the Democratic nomination side, Newsom leads at around 30%, though the field behind him remains wide open. His early positioning has been shaped by public sparring with the Trump administration, including a high-profile incident in January 2026 when Newsom said the administration blocked his appearance at a global forum in Davos.
Secretary of State Marco Rubio has emerged as a notable third contender at roughly 8–10% across platforms. His profile rose significantly after the Trump administration announced a military operation in Venezuela in early January 2026, with Rubio described as playing a prominent role.
Representative Alexandria Ocasio-Cortez sits at approximately 5–6%, down from 8% in late 2025. She is tied with other Democratic names including Governor Josh Shapiro of Pennsylvania (around 3–5%), former Vice President Kamala Harris (around 3–4%), and Pete Buttigieg (around 3%).
Further down the board, names like Andy Beshear, J.B. Pritzker, Gretchen Whitmer, Ron DeSantis, Tucker Carlson, and even Dwayne “The Rock” Johnson carry low-single-digit odds. Donald Trump still trades at around 4% despite being constitutionally ineligible for a third term.
Party Odds: Who Wins the White House in 2028?
For traders who prefer to bet on parties rather than individual candidates, the 2028 party-level presidential market currently shows:
Democrats are favored at roughly 55%, with Kalshi at 53–55%, Betfair at 55–57%, and Smarkets at 55–57%.
Republicans sit at approximately 43–45%, with Kalshi showing the tightest spread at 45–46%.
This Democratic lean has held fairly steady through early 2026, reflecting both the historical pattern of midterm backlash against the incumbent president’s party and uncertainty about the GOP field beyond Vance.
The 2026 Midterms: Congress Control Odds
With all 435 House seats and 35 Senate seats on the ballot in November 2026, prediction markets are actively pricing control of Congress—and the numbers tell two very different stories for each chamber.
U.S. House: Democrats are heavily favored to flip the House, with Kalshi pricing Democratic control at approximately 77–78%. Republicans hold just a 21–22% chance of retaining their majority. This reflects the historical pattern where the president’s party typically loses House seats in midterm elections, combined with the slim Republican majority heading into the cycle. Over $5.1 million has been traded on this market on Kalshi alone.
U.S. Senate: Republicans are favored to hold the Senate at roughly 60%, with Democrats at about 40%. The Senate map in 2026 features several competitive races—Georgia’s Jon Ossoff and Michigan’s open seat (following Senator Gary Peters’ retirement) are seen as the top Democratic vulnerabilities, while Maine and several other seats present pickup opportunities for Democrats. Over $1.6 million has been traded on this market.
Kalshi has partnered with 270toWin to display live prediction market odds for individual Senate races throughout the cycle, including closely watched primaries in Texas (March 3), Illinois (March 17), and Georgia (May 19).
The combined picture: markets currently see the most likely outcome after November 2026 as divided government—a Democratic House and a Republican Senate—which would significantly constrain legislative action heading into the 2028 presidential race.
Where Can You Trade Election Odds in 2026?
The prediction market landscape for U.S. elections has expanded dramatically since 2024.
Kalshi remains the largest CFTC-regulated prediction market and the most widely used platform for U.S. election contracts. It operates in all 50 states under federal authority, though its sports contracts face legal challenges in more than 20 states. Political markets have been less controversial. Kalshi has also signed media partnerships, including with CNN and 270toWin, to pipe its odds directly into election coverage.
Polymarket officially returned to the U.S. market in late 2025 after receiving CFTC approval through its acquisition of the regulated exchange QCEX. U.S. users must now go through a fully regulated workflow with KYC verification and access through approved brokers—a major change from the platform’s earlier crypto-native model. As of February 2026, U.S. access is still being rolled out through a waitlist and invite system. Polymarket remains the dominant global prediction market, with over $1.3 billion traded on U.S. election markets alone.
PredictIt continues to operate under its longstanding CFTC no-action letter, offering smaller-scale political markets with position limits. It remains popular among political junkies for its granular race-by-race coverage.
Betfair and Smarkets are UK-based betting exchanges that offer U.S. election markets to international users, providing additional price signals for cross-platform comparison.
Several new entrants are also expected, including Robinhood’s own prediction market exchange (via MIAXdx, expected to launch later in 2026) and FanDuel Predicts (through a partnership with CME Group).
How Prediction Markets Set Election Odds
Election odds aren’t produced by pollsters or pundits—they emerge from the trading activity of thousands of participants putting real money behind their views.
The process works like this: a platform lists a market with a clearly defined question, resolution source, and settlement rules. For presidential markets, resolution typically relies on official calls from sources like the Associated Press, Fox News, and NBC. Traders then buy and sell YES or NO contracts based on their beliefs about the outcome, and the price moves as new orders come in.
On Kalshi and PredictIt, contracts are dollar-settled derivatives regulated as event contracts under the CFTC. On Polymarket’s global platform, they are tokenized shares backed by stablecoins like USDC, though U.S. users now access the platform through a regulated intermediary structure.
Prices respond quickly to new information. A strong economic report, a debate performance, a legal ruling, or a breaking scandal can move odds within minutes. Dedicated market makers and institutional liquidity providers keep order books active, while retail traders, political professionals, and quantitative funds all contribute to price discovery.
Major media organizations have increasingly embraced prediction market prices as a forecasting input alongside polls. CNN, CNBC, and other outlets now display Kalshi’s odds in their election coverage, treating market probabilities as a real-time barometer of where the race stands.
Are Election Prediction Markets Actually Accurate?
There is a growing body of evidence that prediction markets do a strong job of forecasting elections—often better than polls alone.
Classic research on the Iowa Electronic Markets found that market prices were closer to final presidential results than polls in the majority of elections studied. More recently, analysis of Polymarket’s 2024 presidential odds concluded that the platform outperformed traditional polling in predicting the outcome, particularly in key swing states.
Broader academic work on prediction markets suggests they tend to beat or complement both polls and expert judgment by aggregating diverse beliefs, real-time information, and financial incentives into a single price signal. The accuracy tends to be strongest in high-liquidity markets where many well-informed participants are trading.
That said, markets are not infallible. They can overreact to sensational headlines. They sometimes follow polls rather than anticipating them. Thin markets can produce misleading spikes from small trades. And at this stage—more than two years before the 2028 election—candidate fields are far from set, making current odds inherently speculative.
Prediction markets also face a growing concern about insider trading. A suspicious trade on Polymarket ahead of the Venezuela military operation in January 2026 prompted a congressional investigation, and Representative Ritchie Torres introduced legislation that would ban federal employees and elected officials from trading on political outcomes they could influence.
How to Read U.S. Election Odds Like a Pro
When you see headlines about Vance at 24% or Newsom at 20%, here’s the framework for interpreting those numbers.
Price equals probability, not certainty. A 24% price means the market thinks that if we could run this election 100 times under similar conditions, Vance would win about 24 of them. It does not mean he is the favorite; it means the field is wide open and no single candidate has a dominant position this far out.
Compare across platforms. Look at multiple exchanges—Kalshi, Polymarket, Betfair, PredictIt—or use an aggregator like ElectionBettingOdds.com. When odds converge across platforms, the signal is stronger. When they diverge, it may reflect differences in user base, liquidity, or fee structure.
Watch the trajectory, not just the snapshot. A candidate moving from 15% to 24% over three months tells you something meaningful about momentum. A single-day jump might just be noise from a thin order book.
Factor in what isn’t priced yet. Candidate fields aren’t set. Health events, economic shocks, new entrants, indictments, and unexpected crises can all reshuffle the board completely between now and November 2028. Markets are pricing what’s known today, not what will happen tomorrow.
Understand the 2026 midterms as a leading indicator. The results of this November’s House and Senate races will reshape the political landscape heading into 2028. A strong Democratic wave in the House could boost certain presidential candidates. A closer-than-expected Senate race could signal where swing-state momentum is heading.
The Bottom Line
As of February 2026, U.S. election prediction markets paint the following picture:
The 2028 presidential race is led by JD Vance and Gavin Newsom, but the field remains unusually open, with no candidate above 25%. Democrats hold a slight edge in party-level odds at around 55%.
The 2026 midterms show Democrats as strong favorites to flip the House at roughly 78%, while Republicans are favored to hold the Senate at about 60%—pointing toward divided government.
The prediction market ecosystem itself has expanded significantly, with Polymarket’s regulated return to the U.S., Kalshi’s continued growth despite state-level legal battles, and new competitors entering the space.
None of these numbers are destiny. The value of election odds isn’t in treating them as a crystal ball—it’s in using them as a continuously updated, incentive-driven forecast that reflects the collective judgment of thousands of people putting real money on the line. The prices will keep moving. The key is knowing how to read them.
This is not investment or gambling advice. Legal status and risk vary by platform and jurisdiction. Always check your local rules and never stake more than you can afford to lose.