PREDICTWIRE · LIVEGavin Newsom win the 2028 Democratic presidential nomination: 28% ▲ 0.4Atletico Madrid win the 2025–26 Champions League: 12% ▼ 0.2the San Antonio Spurs win the 2026 NBA Finals: 15% ▲ 0.1Iran x Israel/US conflict ends by April 7: 87% ▲ 0.8Gavin Newsom win the 2028 US Presidential Election: 17%Netherlands win the 2026 FIFA World Cup: 3% ▼ 0.1the Colorado Avalanche win the 2026 NHL Stanley Cup: 23% ▲ 1.1J.D. Vance win the 2028 Republican presidential nomination: 39% ▲ 0.8the U.S. invade Iran before 2027: 30% ▼ 2.0PREDICTWIRE · LIVEGavin Newsom win the 2028 Democratic presidential nomination: 28% ▲ 0.4Atletico Madrid win the 2025–26 Champions League: 12% ▼ 0.2the San Antonio Spurs win the 2026 NBA Finals: 15% ▲ 0.1Iran x Israel/US conflict ends by April 7: 87% ▲ 0.8Gavin Newsom win the 2028 US Presidential Election: 17%Netherlands win the 2026 FIFA World Cup: 3% ▼ 0.1the Colorado Avalanche win the 2026 NHL Stanley Cup: 23% ▲ 1.1J.D. Vance win the 2028 Republican presidential nomination: 39% ▲ 0.8the U.S. invade Iran before 2027: 30% ▼ 2.0

Political Prediction Markets: How to Bet on Elections Legally

Political prediction markets let Americans legally wager on election outcomes for the first time in modern US history. Following the landmark 2024 court ruling that allowed Kalshi to list event contracts on federal elections, political betting moved from offshore gray markets into a CFTC-regulated venue. If you want to put real money behind your political forecasts, there is now a legal path, and this guide walks through exactly how it works.

The Legal Status of Political Betting in 2026

For decades, Americans who wanted to bet on elections had three options: offshore sportsbooks (illegal and unregulated), academic markets like the Iowa Electronic Markets (capped at $500 and research-only), or the UK’s Betfair (geoblocked). That changed when the DC Circuit upheld Kalshi’s right to offer election event contracts as regulated derivatives under the Commodity Futures Trading Commission. The practical result is that election contracts are now legally traded in all 50 states on Kalshi, with per-contract position limits currently set at 25 million dollars for sophisticated traders.

Polymarket, which uses blockchain-based USDC settlement, is technically not licensed for US retail traders but became widely accessible to Americans following the 2025 DOJ settlement. The company has signaled plans for a CFTC-regulated US entity, and the regulatory environment under the Trump CFTC has been materially more permissive than it was in 2023. For now, Kalshi is the safe, compliant option for a US resident who wants political exposure without legal ambiguity.

Kalshi vs Polymarket for Political Markets

The two platforms approach political contracts differently, and the right choice depends on what you want to trade.

Feature Kalshi Polymarket
Legal status in US CFTC-regulated, fully legal Offshore, retail US ambiguous
Funding ACH, debit card, wire USDC on Polygon blockchain
Market resolution Named resolution source per contract UMA optimistic oracle
Election contract types Presidential, Senate, House, Governor, Primary Everything above plus niche markets
Tax reporting 1099-B issued Self-reported
Fees 0 to 3 percent based on trade 0 percent trading, gas fees apply

Kalshi is the right place for most Americans. You fund with a bank transfer, trade in dollars, and receive a 1099 at year-end. Polymarket has deeper liquidity on some niche contracts and often lists markets Kalshi will not touch, but you take on self-custody risk, gas friction, and tax complexity.

How to Open an Account and Place a Political Trade

The process on Kalshi takes about ten minutes.

  • Create an account at kalshi.com and complete identity verification. Kalshi runs standard KYC and will ask for a government ID and the last four digits of your Social Security number.
  • Link a bank account via ACH or deposit via debit card. The minimum is one dollar.
  • Navigate to the Politics category and find a market. Each contract pays one dollar if the stated event happens and zero if it does not, so a contract trading at 67 cents means the market sees a 67 percent probability.
  • Place a limit order or take the current ask. You can buy either side of a binary contract, which means you can short an outcome you think is overpriced.
  • Hold until resolution or sell out early. Prices move continuously, and you can close a position before the event resolves to lock in gains or cut losses.

The mechanics mirror an options exchange more than a sportsbook. There is no vig built into the odds the way there is at a traditional bookmaker, which is why sharp political forecasters have migrated to these platforms.

Reading Political Market Probabilities

A contract priced at 73 cents tells you the market is pricing a 73 percent probability of the event occurring. Translating that into familiar betting odds works like this: a 73 cent price is roughly minus 270 in American moneyline terms, or 1.37 in decimal odds. That translation matters because it lets you compare prediction market prices to sportsbook lines and spot where one venue is mispriced relative to the other.

Volume and open interest matter more than they do in casual betting. A market with ten thousand dollars of open interest and a two-cent spread is a different animal than one with ten million dollars and a tight one-cent spread. The second price is informative; the first is a suggestion.

State-by-State Legal Considerations

Kalshi operates nationally as a CFTC-regulated designated contract market, which preempts state gambling law under federal commodities regulation. That said, a handful of states have tested the preemption question in court. New Jersey, Nevada, and Massachusetts have at various points challenged Kalshi’s authority to offer election contracts to their residents, and all three challenges were ultimately rejected or withdrawn by late 2025. The practical answer in November 2026 is that if you are a US resident over 18, you can trade election contracts on Kalshi regardless of which state you live in.

Polymarket’s position is different. Because Polymarket is not CFTC-registered for retail US customers, its US accessibility depends on the terms of its 2025 DOJ settlement and the CFTC’s current enforcement posture. The company has publicly committed to standing up a regulated US entity, but until that happens, serious traders who prefer a bright-line legal position stick with Kalshi.

Strategies for Political Prediction Markets

Three approaches tend to outperform naive betting.

The first is cross-venue arbitrage. When Kalshi prices a Senate race at 68 cents and Polymarket prices the same race at 62 cents, you can buy one and sell the other for a guaranteed spread, less fees. These opportunities tighten quickly, but they appear regularly in lower-volume contracts.

The second is fading media narratives. Prediction markets tend to overreact to debate performances, viral moments, and cable-news cycles. A systematic trader who buys when a contract moves five cents or more on a non-fundamental event and holds through the reversion often books steady gains.

The third is pricing complex scenarios. Markets often misprice conditional events like “Party X wins the presidency AND controls the Senate.” You can construct a synthetic position across multiple contracts that, when the component prices disagree with each other, offers a positive-expected-value trade. For a broader introduction to this kind of thinking, our guide on the best prediction markets of 2026 covers how each platform handles multi-leg exposure.

Risks You Need to Understand

These are real-money markets, and the risks are real. Resolution risk is the biggest and most underappreciated: contracts resolve based on a named source, and ambiguous events can lead to disputed outcomes, delayed payouts, and occasionally trader losses that feel unfair in hindsight. Read the contract’s resolution criteria before you put money on it.

Liquidity risk is next. In a thin contract, your five-thousand-dollar position may be the market, and getting out at a reasonable price when news breaks can be impossible.

Finally, remember that political contracts are short-dated derivatives with full principal at risk. Treat them as such: size positions as you would options, not as you would a savings account.

Getting Started

If you want to put real money behind a political view in 2026, Kalshi is the legal, regulated, dollar-denominated path, and it works in every state. Open a Kalshi account here to get started. For traders who want broader market coverage and are comfortable with crypto settlement, Polymarket remains the deepest venue for niche political contracts. Either way, start small, read the resolution terms carefully, and treat every position as what it is: a priced probability you believe the market has wrong.