Polymarket US market

Polymarket US 2028 Democratic Presidential Nominee odds

On Polymarket US, the busiest line, Gavin Newsom, is at 19%. That is up 1 point over the past week. The market settles by Aug 10, 2028. Each contract pays $1 if it is right, so 19¢ reads as a 19% chance. Polymarket and Kalshi list it too, and we compare the prices below.

Trade on Polymarket US

US residents only

Also on Kalshi: Kalshi's page

Also on Polymarket: Polymarket's page

Polymarket US · odds · updated

Gavin Newsom19%
Jon Ossoff17%
Alexandria Ocasio-Cortez14%
Kamala Harris7%
Andy Beshear5%

All 12 outcomes ↓

Also priced on Polymarket and Kalshi: 4 questions compared ↓

–
24h volume not published by Polymarket US
$1.3M
total volume on Polymarket US
$590K
open interest
Aug 10, 2028
settles

Polymarket US odds on every outcome

Polymarket US odds on each outcome of 2028 Democratic Presidential Nominee
OutcomeChanceYes price24h volume
Gavin Newsom19%19¢–Trade
Jon Ossoff compare 17%17¢–Trade
Alexandria Ocasio-Cortez14%14¢–Trade
Kamala Harris7%7¢–Trade
Andy Beshear compare 5%5¢–Trade
Pete Buttigieg5%5¢–Trade
Josh Shapiro5%5¢–Trade
Mark Kelly3%3¢–Trade
James Talarico3%3¢–Trade
Rahm Emanuel2%2¢–Trade
Show 2 more outcomes
Polymarket US odds on each outcome of 2028 Democratic Presidential Nominee
OutcomeChanceYes price24h volume
Wes Moore2%2¢–Trade
Michelle Obama2%2¢–Trade
US residents only

Chance is each outcome's Yes price on Polymarket US. A Yes contract at 19¢ 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 Jon Ossoff win the 2028 Democratic presidential nomination?

Yes: Will Jon Ossoff win the 2028 Democratic presidential nomination?: price on each venue, the fee, 24h volume and liquidity, with a link to trade
VenueYesNoFee24h volumeLiquidity
PolymarketClose-only for US residents15¢cheapest to buy85¢free$4K$327KTrade →
Polymarket USUS residents only17¢84¢1.0¢––Trade →
Updated Fee: the taker fee on one contract at the price shown, as each venue publishes it; Polymarket’s is its international book, and Polymarket US charges its own (0.0695 × price × (1 − price) to takers, nothing to makers).

Will Andy Beshear win the 2028 Democratic presidential nomination?

Yes: Will Andy Beshear win the 2028 Democratic presidential nomination?: price on each venue, the fee, 24h volume and liquidity, with a link to trade
VenueYesNoFee24h volumeLiquidity
PolymarketClose-only for US residents3¢cheapest to buy97¢free$5K$422KTrade →
Polymarket USUS residents only5¢96¢0.3¢––Trade →
Updated Fee: the taker fee on one contract at the price shown, as each venue publishes it; Polymarket’s is its international book, and Polymarket US charges its own (0.0695 × price × (1 − price) to takers, nothing to makers).

Will Raphael Warnock win the 2028 Democratic presidential nomination?

Yes: Will Raphael Warnock win the 2028 Democratic presidential nomination?: price on each venue, the fee, 24h volume and liquidity, with a link to trade
VenueYesNoFee24h volumeLiquidity
PolymarketClose-only for US residents2¢98¢free$15K$276KTrade →
Kalshi$50 bonus2¢98¢0.2¢$24K–Trade →
Updated Fee: the taker fee on one contract at the price shown, as each venue publishes it; Polymarket’s is its international book.

Will Bernie Sanders win the 2028 Democratic presidential nomination?

Yes: Will Bernie Sanders win the 2028 Democratic presidential nomination?: price on each venue, the fee, 24h volume and liquidity, with a link to trade
VenueYesNoFee24h volumeLiquidity
PolymarketClose-only for US residents1¢99¢free$927$157KTrade →
Kalshi$50 bonus<1¢cheapest to buy>99¢<0.1¢$619–Trade →
Updated Fee: the taker fee on one contract at the price shown, as each venue publishes it; Polymarket’s is its international book.

How the odds have moved

Polymarket US · Gavin Newsom
19%▲ 1.0 pts since Oct 18
Yes price
Oct 1814% – 28% scaleOct 25

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 Democratic Presidential Nominee: Gavin Newsom”. 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

  1. Check your state first. A few states restrict some contracts.
  2. Open a Polymarket US account. It takes US residents only; outside the US, Polymarket is the international exchange. Our Polymarket review covers sign-up and payouts.
  3. Buy Yes or No at the price shown, 19¢ for Gavin Newsom right now. Each contract pays $1 if you are right.
  4. Sell any time before it settles, or hold to the result. Polymarket US's fees apply to each trade.
US residents only

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Common questions

What are the Polymarket US odds on 2028 Democratic Presidential Nominee?

On Polymarket US, the busiest line, Gavin Newsom, is at 19%. 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 4 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.