Polymarket US 2028 Republican Presidential Nominee odds
On Polymarket US, the busiest line, JD Vance, is at 42%. That is down 1 point over the past week. The market settles by Aug 10, 2028. Each contract pays $1 if it is right, so 42¢ reads as a 42% chance. Polymarket and Kalshi list it too, and we compare the prices below.
Also on Kalshi: Kalshi's page
Also on Polymarket: Polymarket's page
Polymarket US · odds · updated
Also priced on Polymarket and Kalshi: 3 questions compared ↓
Polymarket US odds on every outcome
| Outcome | Chance | Yes price | 24h volume | |
|---|---|---|---|---|
| JD Vance | 42% | 42¢ | – | Trade |
| Marco Rubio | 17% | 17¢ | – | Trade |
| Ron DeSantis | 5% | 5¢ | – | Trade |
| Ted Cruz compare | 4% | 4¢ | – | Trade |
| Tucker Carlson | 3% | 3¢ | – | Trade |
| Donald Trump Jr. | 3% | 3¢ | – | Trade |
| Donald Trump | 2% | 2¢ | – | Trade |
| Thomas Massie | 2% | 2¢ | – | Trade |
| Marjorie Taylor Greene | 2% | 2¢ | – | Trade |
| Glenn Youngkin | 2% | 2¢ | – | Trade |
Show 2 more outcomes
Chance is each outcome's Yes price on Polymarket US. A Yes contract at 42¢ pays $1 if that outcome wins.
Polymarket US vs Kalshi on these questions
The same questions on each venue: Polymarket US, Polymarket and Kalshi. When the prices differ, the cheaper side costs you less for the same payout.
Will Ted Cruz win the 2028 Republican presidential nomination?
| Venue | Yes | No | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| PolymarketClose-only for US residents | 2¢cheapest to buy | 98¢ | free | $78K | $780K | Trade → |
| Polymarket USUS residents only | 4¢ | 97¢ | 0.2¢ | – | – | Trade → |
| Kalshi$50 bonus | 2¢cheapest to buy | 98¢ | 0.2¢ | $5K | – | Trade → |
Will Sarah Huckabee Sanders win the 2028 Republican presidential nomination?
| Venue | Yes | No | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| PolymarketClose-only for US residents | <1¢ | >99¢ | free | $0 | $518K | Trade → |
| Kalshi$50 bonus | 1¢ | 99¢ | <0.1¢ | $0 | – | Trade → |
Will Nikki Haley win the 2028 Republican presidential nomination?
| Venue | Yes | No | Fee | 24h volume | Liquidity | |
|---|---|---|---|---|---|---|
| PolymarketClose-only for US residents | <1¢ | >99¢ | free | $242 | $1.4M | Trade → |
| Kalshi$50 bonus | <1¢ | >99¢ | <0.1¢ | $458 | – | Trade → |
How the odds have moved
Polymarket US's own series for the outcome the headline prices, from where its history starts; one venue, not a blend.
How this market resolves
The contract is “2028 Republican Presidential Nominee: JD Vance”. Each outcome is its own contract: it pays $1 if it is the answer, and nothing if not. Polymarket US publishes the full settlement rules on the market's page. Read them on Polymarket US (opens in a new tab)
Scheduled resolution: Aug 10, 2028.
How to trade this market on Polymarket US
- Check your state first. A few states restrict some contracts.
- Open a Polymarket US account. It takes US residents only; outside the US, Polymarket is the international exchange. Our Polymarket app review covers sign-up and payouts.
- Buy Yes or No at the price shown, 42¢ for JD Vance right now. Each contract pays $1 if you are right.
- Sell any time before it settles, or hold to the result. Polymarket US's fees apply to each trade.
CoinStats may earn a commission on links to venues. Prices are indicative and may differ when you trade.
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Common questions
What are the Polymarket US odds on 2028 Republican Presidential Nominee?
On Polymarket US, the busiest line, JD Vance, is at 42%. That is a market-implied probability, not a forecast, and it moves as traders buy and sell.
How does this market resolve?
By Polymarket US's own settlement rules for this market. Two venues can word the same question differently and settle differently, so read them before you trade.
Is this question on Polymarket and Kalshi too?
Yes. It trades on Polymarket and Kalshi. Kalshi's page has its prices and rules. The 3 questions both venues price are compared above, each with its own side-by-side page.
Can I trade this market in my state?
In most states, yes, on Polymarket US. A few states have acted against some contracts. Check your state first.
How accurate are Polymarket US odds?
Often more accurate than polls, though never certain. A price of 70% should lose three times in ten. How accurate prediction markets are has the research.
What does it cost to trade on Polymarket US?
A taker fee on each contract of 0.0695 × price × (1 − price), largest near 50¢; resting (maker) orders pay nothing. Polymarket US's fees has the detail.