Politics Prediction Markets

2028 Democratic Primary — Prediction Market Odds

The Democratic side of 2028 is already trading like an open, multi-candidate board rather than a one-name coronation. Gavin Newsom leads, but Josh Shapiro, Pete Buttigieg, Andy Beshear, Gretchen Whitmer, and Wes Moore all retain meaningful books despite wide gaps in implied probability. Mantis separates that field from the broader White House market so you can compare the real nominee board on its own terms.

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Top Democratic nominee markets

These are the most useful candidate contracts for understanding the early Democratic field. Probability ranges reflect June 2026 board levels and the notes explain why each name still matters.

~22.9% on Polymarket · $285K liquidity

Gavin Newsom — 2028 Democratic nominee?

The current board leader, with the biggest early front-runner price in a very fragmented field.

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~5.0% on Polymarket · $459K liquidity

Josh Shapiro — 2028 Democratic nominee?

A serious governor lane candidate whose market is smaller in probability than in visible conviction.

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~4.2% on Polymarket · $430K liquidity

Pete Buttigieg — 2028 Democratic nominee?

Still one of the most liquid national-name contracts on the board despite single-digit odds.

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~2.3% on Polymarket · $469K liquidity

Andy Beshear — 2028 Democratic nominee?

The crossover-governor case keeps drawing attention well above his current implied probability.

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~0.9% on Polymarket · $820K liquidity

Gretchen Whitmer — 2028 Democratic nominee?

A striking example of a deep book around a nationally prominent governor even at tiny odds.

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~1.3% on Polymarket · $531K liquidity

Wes Moore — 2028 Democratic nominee?

A younger upside candidate whose market remains active long before the first votes are cast.

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What moves this board before the primaries?

Post-midterm positioning

The 2026 midterms are the biggest near-term signal. A good cycle for Democrats can elevate governors and senators who suddenly look more electable in 2028.

National profile vs donor depth

Newsom and Buttigieg benefit from high name recognition, while governors like Shapiro, Beshear, and Whitmer can reprice sharply if donor networks or media attention shift.

Wide-open-field mechanics

When one candidate is below 25% and many others still have liquid books, even small narrative changes can create meaningful cross-venue price gaps worth tracking.

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FAQ

What do prediction markets say about the 2028 Democratic primary right now?

As of June 2026, Polymarket still shows a very fragmented Democratic field. Gavin Newsom leads at roughly 23%, while Josh Shapiro and Pete Buttigieg sit around the 4–5% range, and Andy Beshear, Gretchen Whitmer, and Wes Moore trade lower but still keep meaningful books alive. That combination of one soft favorite and many liquid alternatives is exactly why the Democratic primary deserves its own page rather than a single mention on the broader 2028 election hub.

Why does this page focus on nominee markets instead of general-election winner markets?

The nominee market is the cleanest early-cycle signal because it strips away the other party and isolates the Democratic field itself. In 2026, that is where the widest candidate dispersion and the richest cross-venue disagreement live. Once a nominee emerges, those contracts collapse into the broader 2028 presidential winner market.

Why are some candidates liquid even when their odds are tiny?

These books are being used as early optionality trades. National profile, donor networks, media attention, and post-midterm positioning can keep a contract active long before its probability rises. Whitmer and Wes Moore are good examples: their prices are low, but the visible books remain large enough to matter for searchers and traders.

How should I use this page with the main 2028 election hub?

Use the parent 2028 page for party-win and presidency markets, then drop into this page when you want candidate-level Democratic field detail. Watching both together helps separate "who wins the White House" from "who survives the Democratic nomination gauntlet first."