Democratic Presidential Nominee 2028

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Active sub-markets

Market context

A YES share pays out only if the named candidate wins and accepts the Democratic Party’s 2028 presidential nomination; a NO share pays out otherwise. In this market, traders are pricing that outcome at just 1%, which implies they see it as an outside chance rather than a base case. The settlement rules are tied to official Democratic Party sources, and a later replacement of the nominee before election day would not change the result, so the key question is who is formally nominated and accepts.

That low probability sits against a familiar pattern in early presidential markets: well ahead of the primary calendar, odds often reflect name recognition, not a settled contest. Polymarket’s wider 2028 Democratic nomination market currently shows Gavin Newsom ahead, with Kamala Harris and Alexandria Ocasio-Cortez among the next names, while other early lists also include Pete Buttigieg, Josh Shapiro and Gretchen Whitmer. Similar pre-primary markets have historically moved sharply once fundraising, endorsements and state-by-state campaigning begin to separate a few viable contenders from a crowded field.

Traders will be watching for three things: whether leading Democrats make any formal moves towards a campaign; how the party’s 2026 midterm positioning affects the bench of potential nominees; and whether the nomination calendar or rules create an advantage for one faction. News reports and campaign filings are likely to matter most if they show a candidate building an organisation early, because in a market that closes on 7 November 2028, even small changes in perceived viability can shift pricing quickly.

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Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.