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Political Betting: Where & How to Bet on Politics in 2026
Updated March 2026 — Complete guide to political betting sites, legal status, 2028 presidential odds, types of political bets, and strategies for betting on elections, legislation, and policy outcomes.
Track Live Political Odds on PredScope
PredScope aggregates real-time political betting odds from Polymarket and Kalshi in one place — elections, legislation, Supreme Court decisions, and more. Compare probabilities, volume, and trends across all active political markets.
What Is Political Betting?
Political betting is the practice of wagering real money on political outcomes — who wins an election, which party controls Congress, whether a bill passes, how the Supreme Court rules on a major case, or where a policy decision lands. Rather than betting on sports outcomes like a touchdown or a final score, you are betting on events that shape governance and public policy.
In the United States, political betting is conducted through regulated prediction markets — financial platforms where participants buy and sell contracts tied to specific political outcomes. These are not offshore gambling sites or illegal pools; the major US political betting platforms are regulated by the Commodity Futures Trading Commission (CFTC), the same federal agency that oversees commodity futures and derivatives markets.
When you place a political bet on a platform like Kalshi or Polymarket, you are purchasing an event contract. Each contract is worth exactly $1.00 if the specified outcome occurs, and $0.00 if it does not. The price at which you buy the contract represents the market's current implied probability of that outcome happening.
Political betting has grown dramatically since 2020, driven by increased public interest in election forecasting, the rise of regulated prediction markets, and the demonstrated accuracy of these markets relative to traditional polls. During the 2024 presidential election, Polymarket's political odds were cited alongside poll averages by major media outlets including CNN, The New York Times, and The Economist. The market's signal that Trump was a clear favorite — when national polls showed a near-toss-up — proved to be correct.
Political Betting vs. Sports Betting
Political betting differs from sports betting in several important ways:
- Mechanism: Political prediction markets use event contracts priced as probabilities (0 to $1.00), not American odds (+150) or fractional odds (3/2). The price is the probability — no conversion needed.
- Regulation: US political betting is regulated by the CFTC (commodity markets regulator), not state gaming commissions. Sportsbooks cannot legally offer US political betting markets.
- Resolution timelines: A Senate race may take months from the time you place the bet to resolution on election night. A sports bet resolves the same evening.
- Information edge: Political markets reward deep policy and political knowledge. Understanding legislative procedure, state-level demographics, or court precedent gives you an analytical edge that doesn't exist in sports betting.
- Liquidity: Major political markets on Polymarket can have tens of millions of dollars in open interest. Smaller races or legislative markets may be much thinner, with wider bid-ask spreads.
Start Betting on Politics
Open an account on Polymarket (CFTC-approved) or Kalshi (USD deposits) and bet on elections, legislation, and policy outcomes today.
Open Polymarket Account Open Kalshi AccountWhere to Bet on Politics Legally in the US
Political betting is legal in the United States when conducted through CFTC-regulated platforms. As of 2026, there are three primary legal political betting sites for US residents, plus one emerging option through Robinhood. Here is a full breakdown of each.
Polymarket CFTC Approved Nov 2025
Polymarket is the world's largest prediction market by trading volume and the go-to platform for serious political bettors. The platform received full CFTC approval in November 2025, making it fully legal for US residents following an extensive regulatory review. Polymarket's political markets are the most liquid in the world — major election markets regularly see $10M–$50M in total volume, and even mid-tier political markets often have millions in open interest.
Polymarket uses USDC (a stablecoin pegged 1:1 to the US dollar) as its settlement currency. This means you will need to acquire USDC to deposit and trade, which requires a crypto wallet and exchange account. While this adds a setup step, it makes Polymarket's fees extremely low — effectively 0% on most trades versus the 1–10% fees on USD-based competitors.
Best for: Experienced political bettors who want the tightest spreads, deepest liquidity, and widest selection of political markets.
- Trading fees: ~0% (0.01% taker fee on most markets)
- Deposit method: USDC via crypto wallet (Coinbase, Metamask, etc.)
- Political market depth: Excellent — elections, legislation, policy, international
- KYC: Required for US residents (government ID, SSN, proof of residency)
- Tax forms: None issued — self-reporting required
- Mobile app: Available (iOS and Android)
Kalshi CFTC Regulated Since 2023
Kalshi is the original CFTC-designated prediction market, operating as a Designated Contract Market (DCM) since 2023 — the same regulatory status held by the Chicago Mercantile Exchange and other major US derivatives exchanges. Kalshi's landmark court victory in 2024, affirming its right to offer political event contracts, reshaped the entire US political betting landscape and paved the way for Polymarket's own CFTC approval.
Unlike Polymarket's crypto-based system, Kalshi uses standard US dollars deposited via ACH bank transfer or debit card. This makes Kalshi far more accessible for users who are not familiar with cryptocurrency. Kalshi also issues 1099 tax forms for qualifying winnings, simplifying the tax reporting process.
Best for: US users who want regulated political betting without dealing with crypto. Ideal for beginners and users who value tax simplicity.
- Trading fees: 1–7% of winnings (tiered by market and position size)
- Deposit method: ACH bank transfer, debit card
- Political market depth: Good — Senate, House, presidential, policy markets
- Tax forms: Issues 1099-INT and 1099-MISC for qualifying gains
- US states: Available in most states — check Kalshi.com for current exclusions
- Mobile app: Available (iOS and Android)
PredictIt CFTC No-Action Letter
PredictIt has operated since 2014 under a CFTC no-action letter, making it the longest-running US political betting platform. The no-action letter imposes structural restrictions — maximum $850 per contract and no more than 5,000 traders per market — but within those limits, PredictIt offers the broadest coverage of US political markets of any platform, including granular state-level races, primary markets, polling average thresholds, and special elections that Kalshi and Polymarket don't cover.
PredictIt is run by Victoria University of Wellington in New Zealand in partnership with Aristotle International and was originally established for academic research purposes. Its fees are the highest of the three legal platforms but its political market breadth remains unmatched for niche US political events.
Best for: Political specialists who want access to granular political markets not available elsewhere, with a long institutional track record.
- Trading fees: 10% of profits, 5% on withdrawals
- Maximum position: $850 per contract
- Deposit method: Credit card, PayPal
- Political markets: Very broad — primaries, special elections, state legislatures, polling averages
- Best known for: Long history in US political markets, granular coverage
Robinhood Prediction Markets Limited Political Content
Robinhood entered the prediction market space in late 2024, offering event contracts through its existing brokerage platform. For users who already have a Robinhood account, this provides the lowest-friction way to access prediction markets — no crypto setup required, and it integrates with your existing investment portfolio. Robinhood's political market selection is more limited than Kalshi or Polymarket, focusing primarily on high-profile elections and major policy events rather than granular legislative or judicial markets.
Best for: Existing Robinhood users who want to dip into political betting without opening a new account. Not recommended as a primary political betting platform due to limited market selection.
- Trading fees: Competitive (check Robinhood for current fee schedule)
- Deposit method: Standard brokerage — ACH, wire transfer
- Political market depth: Limited — major elections and select policy events only
- Integration: Works within existing Robinhood account
See our full Robinhood prediction markets guide for setup instructions and comparison with Kalshi.
| Platform | Regulated | Fees | Deposit | Political Depth | Tax Forms |
|---|---|---|---|---|---|
| Polymarket | CFTC (2025) | ~0% | USDC | Excellent | No (self-report) |
| Kalshi | CFTC (2023) | 1–7% | USD / ACH | Good | Yes (1099) |
| PredictIt | No-action letter | 10% profits | Card / PayPal | Excellent (niche) | No |
| Robinhood | Brokerage regulated | Varies | USD / ACH | Limited | Yes (brokerage) |
Types of Political Bets
Political betting covers far more ground than just election outcomes. Here are the major categories of political markets available in 2026, with examples from active platforms.
Election Markets
Election markets are the core of political betting. They include:
- Presidential elections: The highest-volume political market. In 2024, the Polymarket presidential market had over $500M in total volume. In 2026, early 2028 presidential markets are already active.
- Senate races: Individual Senate seat outcomes and Senate majority control markets. With 33 seats up in 2026, Senate markets are among the most active this cycle.
- House races: House majority control is the primary House market. Individual district races are available on PredictIt for competitive seats.
- Gubernatorial races: 36 governor races are contested in 2026. Competitive open-seat races generate significant market interest.
- Primary elections: Who wins a party primary — often more uncertain and potentially more profitable than general election markets.
- International elections: Polymarket covers major elections worldwide including France, Germany, UK, Canada, Mexico, Brazil, and others. Kalshi focuses primarily on US elections.
Legislative and Policy Markets
Beyond elections, prediction markets offer contracts on whether specific legislation passes or whether executive policy decisions take effect. These markets reward deep knowledge of Congressional procedure, vote counts, and political deal-making.
- Budget and appropriations: Will Congress pass a continuing resolution? Will the government shut down? These markets see enormous interest during budget standoffs.
- Debt ceiling: Will the US default on its debt obligations? Markets on debt ceiling resolution have been some of the most-traded policy markets in recent years.
- Specific legislation: Will a particular bill pass the Senate? Receive a presidential signature? Be filibustered? These require understanding vote counts and Senate procedure.
- Executive orders and regulations: Will a specific executive order be signed? Will a regulatory rule be finalized or overturned? Will tariff levels reach a specified threshold?
- Regulatory decisions: Will the FTC block a merger? Will the EPA finalize a specific rule? Agency decisions generate active markets for traders with regulatory expertise.
Supreme Court Markets
Supreme Court betting markets are among the most intellectually demanding in political prediction markets. The outcomes depend on legal analysis, precedent interpretation, and understanding the ideological leanings of individual justices.
- Case outcomes: Will the Court rule in favor of the plaintiff or defendant in a pending major case? These markets open when cert is granted and close when the opinion is released.
- Vote margins: Will the decision be 6-3 or 5-4? Margin markets are available on high-profile cases.
- Justice retirements: Will a specific justice retire in a given year? These markets can see significant volume when a justice's health or age becomes newsworthy.
- Confirmation hearings: Will a Supreme Court nominee be confirmed? Senate confirmation markets resolve based on the final Senate vote.
Presidential Action Markets
With an active executive branch, markets on presidential actions have proliferated on both Kalshi and Polymarket:
- Executive orders: Will a specific executive order be signed within a given timeframe?
- Cabinet and appointments: Will a nominee be confirmed? Will a cabinet secretary resign or be fired?
- Pardons: Will the president pardon a specific individual?
- Foreign policy actions: Will the US impose sanctions on a specific country? Will a trade deal be signed?
- Approval ratings: Will the president's approval rating cross a specific threshold in a polling average?
Party and Political Dynamics Markets
- Party control: Which party controls the House, Senate, or both after a specific election?
- Candidate entry and exit: Will a specific figure announce a presidential run? Will a candidate drop out before a primary?
- Nomination markets: Who will win the Republican or Democratic nomination for president or other offices?
- Third-party performance: Will a third-party candidate receive more than a threshold percentage of the vote?
Current 2028 Presidential Election Odds
Despite being more than two years away, the 2028 presidential election already has active betting markets on both Polymarket and Kalshi. These early markets are speculative and have lower liquidity than they will closer to the election, but they provide meaningful signals about where informed political participants see the race heading.
The Republican Field
With Donald Trump constitutionally ineligible to run for a third term in 2028, the Republican primary is wide open for the first time since 2016. In early 2026, the key figures in Republican presidential markets include:
Vice President JD Vance holds the incumbency proximity advantage — as VP under Trump, he would be the natural heir to the MAGA movement heading into 2028. Markets in early 2026 price him as the early frontrunner, though the probability distribution across the Republican field is wide given how early it is. Other potential candidates include prominent governors and senators who may emerge as alternatives.
The Democratic side is more fragmented. Following the 2024 loss, the party has not coalesced around a clear frontrunner. Multiple potential candidates — governors, senators, and others — hold single-digit to low-double-digit market shares. The Democratic nominee market is the one to watch as the party rebuilds and potential candidates emerge over the next 18 months.
How to Interpret Early Presidential Odds
Early presidential election markets require careful interpretation:
- Wide bid-ask spreads: With low liquidity, the gap between what buyers will pay and what sellers will accept can be 15-25 cents. This is a significant effective cost on entry and exit.
- High volatility: A single announcement — a candidate declaring their run, a major endorsement, a health scare — can move early markets by 20+ points. Early positions carry substantial variance.
- Directional signal, not precise probability: An early market showing a candidate at 35% is telling you "this person is seen as the frontrunner" not "exactly 35% probability." The market does not have enough information or liquidity to be that precise.
- First-mover advantage: For well-reasoned bets on long-shot candidates who you believe are being underpriced, early markets offer more value since fewer participants are tracking them closely.
See Live 2028 Presidential Odds
Track current 2028 presidential betting odds from Polymarket and Kalshi, updated in real time.
View Presidential Markets Trade on PolymarketHow Political Betting Works on Each Platform
The mechanics of placing a political bet differ across Polymarket, Kalshi, and PredictIt. Here is a step-by-step breakdown for each platform.
How to Bet on Politics on Polymarket
- Create an account: Go to Polymarket.com and register. US residents must complete full KYC: government-issued ID, Social Security Number, and proof of residency.
- Acquire USDC: Polymarket uses USDC (USD Coin), a stablecoin worth $1.00. You can buy USDC on Coinbase, Kraken, or another exchange, then transfer to your Polymarket wallet. Alternatively, use Polymarket's built-in onramp to purchase USDC directly with a debit card (fees apply).
- Find a political market: Navigate to the "Politics" or "Elections" category. You'll find markets on 2026 midterms, 2028 presidential race, legislation, Supreme Court cases, and more.
- Place your trade: Select "Yes" or "No" for the outcome. Enter the number of shares you want to buy and the price you're willing to pay. For most liquid markets, you can use market orders that fill at the current best price.
- Wait for resolution: After the political event occurs, the market resolves. Winning shares automatically pay $1.00 each to your account. Losing shares expire at $0.00.
For a complete walkthrough, see our how to trade on Polymarket guide.
How to Bet on Politics on Kalshi
- Create an account: Go to Kalshi.com and register. Complete KYC (government ID required). Kalshi is available in most US states — check their terms for exclusions.
- Deposit USD: Connect your bank account via ACH (free, 2-5 business days) or use a debit card (immediate, small fee). No crypto required — standard US dollars.
- Find a political market: Browse the "Politics" section. Kalshi offers markets on Senate control, House control, presidential races, legislation, and policy decisions.
- Buy Yes or No contracts: Select the outcome you want to bet on, enter your position size in dollars, and confirm. Kalshi uses a slightly different interface than Polymarket but the underlying mechanics are identical — contracts pay $1.00 on a win, $0.00 on a loss.
- Receive 1099 at year end: Unlike Polymarket, Kalshi issues 1099 tax forms for qualifying gains, simplifying your tax reporting.
See our Kalshi review and how to use Kalshi guide for full details.
How to Bet on Politics on PredictIt
- Create an account: Register at PredictIt.org. Identity verification is required.
- Deposit funds: PredictIt accepts credit cards and PayPal. Note the $850 maximum per individual contract.
- Browse political markets: PredictIt has the widest selection of granular US political markets — state primaries, special elections, polling averages, and more.
- Buy Yes or No shares: Shares are priced in cents (1¢ to 99¢). A Yes share at 65¢ pays $1.00 if the event occurs. PredictIt uses a maker-taker fee model with 10% of profits taken at resolution.
- Monitor and trade: You can sell your shares before resolution if the market price moves favorably — you don't have to hold to expiration.
Political Betting Strategies
Profitable political betting requires more than luck — it rewards structured analytical thinking, disciplined bankroll management, and an understanding of where markets are inefficient. Here are the key strategies used by experienced political bettors.
1. Use Polling Data as an Input, Not the Answer
Many political bettors make the mistake of simply following the polls. Prediction markets already incorporate public polling data — professional bettors are watching the same polls you are. The edge comes from evaluating whether polls are properly weighted, understanding which pollsters have a track record of accuracy in a given state, and recognizing when polls may be systematically biased.
After the polling misses in 2016 and 2020, many sharp political bettors discount poll-heavy models in favor of structural fundamentals: economic conditions, presidential approval ratings, historical base rates of midterm performance, and candidate quality measures. If the market is pricing a race based primarily on a single favorable poll, that creates an opportunity if you believe the fundamentals tell a different story.
2. Exploit Historical Base Rates
Political science research has established strong historical patterns that are sometimes underweighted by prediction markets:
- Midterm elections: The president's party loses House seats in midterm elections roughly 90% of the time historically. The average loss is 25+ seats. Markets may underweigh this tendency when the president is popular early in his term.
- Incumbent advantage: Sitting senators win re-election at roughly 90% rates. Individual Senate race markets on incumbents sometimes undervalue this structural advantage.
- Open seat races: Open seat races (no incumbent) follow the partisan lean of the state much more closely than incumbent races. Fundamentals matter more when there's no incumbency factor.
- Presidential approval correlation: Senate outcomes in midterms are highly correlated with the sitting president's approval rating. Markets tracking individual Senate races sometimes diverge from what the macro correlation would predict.
3. Timing — When to Enter Political Markets
Entry timing significantly affects returns in political betting. Different phases of the political calendar offer different types of opportunities:
- Early long-dated positions (12–18 months before election): Lower liquidity means prices can be stale or reflect limited information. Well-researched early positions on clear frontrunners or structural favorites can offer significant value.
- Post-primary settlement (2–4 months before general): Candidate quality becomes known, and markets begin incorporating general election dynamics. This is often when the most liquid and efficiently priced general election markets emerge.
- News-driven overreactions: A bad debate performance, a controversial statement, or a negative news story can create short-term overreactions. Experienced bettors buy the dip when fundamentals haven't actually changed.
- Election week: Thin early voting data and exit polls can cause markets to move dramatically — but this information is noisy. Late entry in election week often means paying near-resolution prices with less room for profit.
4. Understand Market Microstructure
For markets where you trade on an order book (Polymarket, Kalshi), understanding bid-ask spreads and liquidity is critical:
- Check the spread before trading: A 5-cent spread (e.g., bid at $0.60, ask at $0.65) means you start your position 5 cents below break-even. In a near-50/50 race, this spread can eliminate most of your expected edge.
- Use limit orders: Rather than paying the ask price (market order), submit a limit order between the current bid and ask. In many cases, your order will fill at a better price as other participants trade around it.
- Volume indicates reliability: A market with $10M in volume is far more efficiently priced than one with $50K. In thin markets, a single large bet can move prices significantly and create temporary mispricings.
5. Cross-Platform Arbitrage
The same political event is often priced differently across Polymarket and Kalshi due to different user bases, fee structures, and liquidity profiles. If Polymarket prices a candidate at 62% and Kalshi prices the same candidate at 56%, there is a 6-point discrepancy that represents either an arbitrage opportunity or a fee-adjusted price difference.
After accounting for fees (especially Kalshi's 1–7% fee on winnings), true arbitrage windows are narrow — but they exist. Use PredScope's compare tool to monitor cross-platform price differences in real time. See our arbitrage guide for a full methodology.
6. Diversify Your Political Betting Portfolio
No individual political prediction is certain. Even a well-researched bet on a 70% favorite fails 30% of the time. Experienced political bettors spread capital across multiple independent races and outcomes rather than concentrating heavily in a single market.
A diverse portfolio of 10–20 political positions will produce returns that reflect your actual analytical edge much more consistently than 1–3 concentrated bets. As a rule of thumb, limit any single political market position to 5–10% of your total prediction market bankroll.
7. Track the Sharp Money
In liquid political markets, large single trades from sophisticated participants (sometimes called "whales") can be highly informative. A sudden volume surge in one direction — particularly a large block trade at the market ask price — suggests that a well-informed participant is willing to pay up for a position. PredScope's market tracker shows volume trends alongside price movements so you can identify when significant money is moving.
Is Political Betting Legal?
The legal landscape for political betting in the United States has undergone a dramatic transformation since 2023. Here is the current regulatory picture as of 2026.
The CFTC Regulates Political Betting in the US
The Commodity Futures Trading Commission (CFTC) has jurisdiction over event contracts in the United States — including political event contracts. This is the same agency that regulates commodity futures markets like oil, gold, and agricultural products. The CFTC views political event contracts as a form of commodity futures contract rather than gambling, which distinguishes them legally from sports betting or casino gambling.
Two platforms currently hold CFTC designation allowing them to offer political betting to US residents:
- Kalshi (2023 DCM designation): In 2023, Kalshi became the first CFTC-Designated Contract Market to offer political event contracts. When the CFTC initially tried to block political markets, Kalshi sued — and won. The landmark 2024 court ruling established that the CFTC could not categorically prohibit political event contracts. This decision reshaped the entire US political betting landscape.
- Polymarket (November 2025 approval): Following Kalshi's court victory, Polymarket filed for and received CFTC approval in November 2025. US residents can now legally use Polymarket with full KYC verification. This is a significant development given Polymarket's position as the world's largest prediction market.
PredictIt's No-Action Letter
PredictIt has operated since 2014 under a different mechanism — a CFTC no-action letter that essentially means the CFTC has agreed not to take enforcement action against the platform as long as it operates within specified parameters. These parameters include the $850 maximum position size per contract and the 5,000 trader limit per market. PredictIt is legal to use for US residents under this arrangement.
State-Level Considerations
Even on federally regulated platforms, some US states may impose additional restrictions or prohibitions. Kalshi and Polymarket publish lists of states where they do not currently offer service. Major population states (California, Texas, New York, Florida) are generally supported, but always verify your state's availability on each platform before depositing. States with histories of strict gaming regulation may have additional requirements.
What Is Definitively Not Legal for US Residents
- Offshore sportsbooks: UK-based bookmakers like Bet365, Betfair, Ladbrokes, and others offer political betting markets internationally, but US residents using these platforms for political betting are outside the CFTC regulatory framework and potentially violating federal law.
- Unlicensed pools and wagering: Office pools or informal betting rings on political outcomes are not legal without proper licensing, regardless of the amount involved.
- Unregistered prediction markets: Any platform that facilitates US political betting without CFTC authorization is operating outside the law.
Bottom Line on Political Betting Legality
For US residents in 2026: Kalshi and Polymarket US are fully legal political betting platforms — both are CFTC-regulated DCMs. PredictIt is also legal under its CFTC no-action letter. Use only these platforms and you are operating within US law. For a full country-by-country legality breakdown including international users, see our Polymarket legality guide.
Political Betting vs. Traditional Polls: Accuracy Comparison
One of the most frequently asked questions about political betting markets is whether they are more accurate than traditional polls. The short answer: prediction markets have demonstrated stronger real-world forecasting accuracy than polls in multiple election cycles, but for different reasons than most people assume.
Why Prediction Markets Have an Accuracy Advantage
Polls and prediction markets measure fundamentally different things:
- Polls measure stated preferences: A poll asks a random sample of voters "who do you plan to vote for?" Respondents state their intention, which may differ from their actual behavior, may change, and may be subject to social desirability bias.
- Markets measure informed probability estimates: A bettor on Polymarket or Kalshi is staking real money on what they believe will happen — not what they want to happen. This financial incentive creates strong pressure toward accuracy.
- Markets aggregate more information: While a poll captures demographic data from a sample of respondents, a liquid prediction market aggregates the views of thousands of politically informed participants, each incorporating their own knowledge sources including internal campaign data, local on-the-ground intelligence, historical patterns, and economic indicators.
- Real-time updating: Prediction markets react to breaking news within minutes. A major endorsement, a candidate health story, or a damaging opposition research drop will be priced into the market almost immediately. Polls take days or weeks to fully capture the same information.
Historical Accuracy Track Record
Where Markets Outperformed Polls
- 2024 Presidential: Polymarket priced Trump as a 60%+ favorite while national polls showed a near-toss-up. Trump won decisively with 312 electoral votes.
- 2016 Presidential: Iowa Electronic Markets (academic predecessor to today's platforms) assigned Trump higher probability than most forecasting models while polls showed a larger Clinton lead than materialized.
- Speed of reaction: Prediction markets responded to the July 2024 Biden debate performance within hours; polling averages took weeks to fully capture the shift in the race.
- Calibration: Academic research on PredictIt and Polymarket data finds markets are well-calibrated — events at 70% win approximately 70% of the time across large samples.
Where Markets Matched or Underperformed
- 2022 "Red Wave": Markets (like polls) priced in a larger Republican advantage than materialized. Markets anchored to polls and inherited the same directional error.
- Thin local markets: State legislative and local races with low volume are no more accurate than polls — sometimes less so.
- Manipulation risk: Small, low-liquidity markets can be moved by a single large bet, creating misleading price signals.
- Consensus anchoring: When all information sources (polls, models, markets) agree, they tend to move together — including when they are all wrong.
The Research on Prediction Market Accuracy
Academic research on political prediction market accuracy includes:
- A 2022 study in the American Journal of Political Science found prediction markets outperformed both individual polls and aggregated poll models on electoral outcomes across a large sample of US elections.
- Research by Tetlock and colleagues (of "Superforecasting" fame) found that markets with large volumes and diverse participants achieve calibration scores comparable to or better than the best human forecasters.
- A CFTC-commissioned study found that prediction markets provide genuine price discovery for political outcomes, consistent with their classification as commodity futures rather than gambling products.
- Studies on PredictIt data specifically found the platform to be well-calibrated on presidential and congressional elections, with prices reflecting true probabilities within a few percentage points across large samples.
For the complete research summary with specific citations and accuracy statistics, see our prediction market accuracy guide.
Best Practice: Use Both Polls and Markets
Rather than choosing between polls and prediction markets, experienced political analysts use both. Polls provide granular demographic and geographic detail — which voter groups are shifting, which states show movement — that markets cannot replicate. Prediction markets provide the best available real-time probability estimate and react faster to developments. The combination is more informative than either alone.
Frequently Asked Questions
What is political betting?
Political betting is wagering real money on political outcomes through prediction markets. You buy contracts tied to specific outcomes — an election result, a bill passing, a Supreme Court ruling — that pay $1.00 if the event occurs and $0.00 if it doesn't. The price you pay represents the market's implied probability. In the US, political betting is conducted through CFTC-regulated platforms like Kalshi and Polymarket. These are not offshore gambling sites — they are federally regulated commodity markets. Political betting attracts a mix of politically informed individuals, professional traders, and researchers who want to track or profit from political uncertainty.
Where can I bet on politics legally in the US?
The three legal political betting sites for US residents in 2026 are: Kalshi (CFTC-regulated since 2023, USD deposits via ACH/debit, issues 1099 tax forms — best for beginners), Polymarket US (CFTC-approved November 2025, USDC-based, lowest fees, deepest liquidity — best for experienced bettors), and PredictIt (CFTC no-action letter since 2014, $850 position limit, credit card deposits — best for granular political markets). Robinhood also offers limited political market access within its brokerage platform. Do not use offshore sportsbooks for US political betting.
Is political betting legal?
Yes, political betting is legal in the US when conducted through CFTC-regulated platforms. The CFTC regulates political event contracts as commodity futures, not gambling. Kalshi received full Designated Contract Market (DCM) status in 2023, won a landmark court case in 2024 affirming this designation, and has operated continuously since then. Polymarket received CFTC approval in November 2025. PredictIt has operated legally under a CFTC no-action letter since 2014. Traditional sportsbooks are not permitted to offer political betting under US law — only CFTC-authorized platforms can do so. For state-by-state availability and international legality, see our complete legality guide.
What are the best political betting sites?
The best political betting site depends on your priorities. For lowest fees and deepest liquidity, Polymarket is the best — its political markets have the most volume and tightest spreads of any platform. For ease of use and no crypto required, Kalshi is the best — USD deposits, 1099 tax forms, and a clean interface for beginners. For granular US political coverage including state primaries and niche markets, PredictIt is unmatched. For existing brokerage users, Robinhood offers a low-friction entry point. Use PredScope's comparison tool to see current odds side-by-side across platforms before placing any bet.
What are the 2028 presidential election odds?
In early 2026, 2028 presidential election markets on Polymarket and Kalshi are active but have relatively low liquidity. On the Republican side, VP JD Vance is the early frontrunner given his position in the current administration, though the field is wide open with other potential candidates. The Democratic side is fragmented with no clear frontrunner as the party rebuilds following 2024. These early markets carry wide bid-ask spreads and should be interpreted as directional signals rather than precise probabilities. Expect significant market movement as the primary season approaches in 2027 and potential candidates announce. Check our live elections page for current odds.
Are political prediction markets more accurate than polls?
On balance, yes — prediction markets have demonstrated stronger forecasting accuracy than polls in multiple high-profile election cycles. In 2024, Polymarket correctly identified Trump as a significant favorite when national polls showed a near-toss-up. Markets react faster to new information, incorporate more diverse data sources, and are driven by financially incentivized participants. Academic research in the American Journal of Political Science found prediction markets outperform poll aggregation models across large samples of US elections. However, markets are not infallible — they can inherit polling errors when anchored to poll averages, and thin markets on local races are less reliable. For best results, use both polls (for demographic detail) and prediction markets (for real-time probability estimates).
Can you bet on Congress passing a law?
Yes. Both Kalshi and Polymarket offer markets on major legislation — whether specific bills pass the Senate or House, whether government funding bills meet deadlines, and whether debt ceiling standoffs resolve before default. These legislative markets are intellectually demanding because outcomes depend on vote counts, procedural rules (filibuster, reconciliation), and last-minute negotiations that are difficult to predict. They offer significant value for traders with deep knowledge of Congressional procedure and the specific policy landscape. Budget and debt ceiling markets tend to be particularly active during periods of fiscal brinkmanship.
Do I pay taxes on political betting winnings?
Yes. Political betting winnings are taxable income in the United States. Kalshi issues 1099-INT and 1099-MISC forms for qualifying winnings, simplifying your reporting. Polymarket does not issue tax forms — you are responsible for tracking and self-reporting all gains and losses. Winnings are generally reported as "Other Income" on Form 1040. If you trade actively, keep detailed records of every transaction: date, market, shares bought/sold, price, and payout. Capital loss rules may or may not apply depending on how the IRS categorizes your specific contract type. Consult a tax professional familiar with derivatives and prediction markets. See our prediction market taxes guide for detailed guidance.
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