Democratic Presidential Nominee 2028

Platform comparison

Active sub-markets

Market context

The real-world event is the 2028 Democratic Party nomination for the US presidency, a contest where the current market implies a 1% chance for any single named individual to win and accept the role. This probability sits far below the implied odds for top contenders like Gavin Newsom, who commands roughly 24–27% across platforms, highlighting a stark divergence between the broad field’s fragmentation and the specific contract’s narrow focus.

Historically, such low individual probabilities in open nomination fields mirror the 2016 Democratic primary before Hillary Clinton solidified her lead, where early odds for any single candidate hovered near single digits until a frontrunner emerged through fundraising and state-level dominance. Comparable cases show that without a clear frontrunner by the 2026 midterms, the field remains wide, with fragmented support across governors like Josh Shapiro and senators such as Jon Ossoff, preventing any single name from commanding majority trader belief.

Traders should monitor the 2026 midterm election results, state redistricting outcomes, and formal announcement timelines, as these act as primary catalysts for frontrunner consolidation. Recent reporting from Axios confirms Alexandria Ocasio-Cortez is surging in early polling and positioning for a 2028 run, while The Washington Post notes Josh Shapiro’s rise as a top candidate following his autobiography launch. Watch for Newsom’s response to ongoing political clashes with the Trump administration, as his national profile and frequent public confrontations continue to drive his market lead.

Sources: 1 · 2 · 3 · 4 · 5

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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 fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.