Polymarket holds steady: RFK Jr. 49% in GOP 2028 nominee market

Polymarket Holds 2028 GOP Nominee Odds Steady as AI-World-Cup Headline Fails to Trigger Repricing

On Polymarket, the “Republican Presidential Nominee 2028” market is unchanged, with the leading outcome priced at 49% on $676.6M in volume. A tangential AI-at-the-World-Cup news item matched to the topic did not translate into any measurable repricing, keeping this contract’s multi-outcome probabilities steady.

Key Takeaways

• Polymarket prices Robert F. Kennedy Jr. as the front-runner at 49% (No 51%), ahead of J.D. Vance at 40.45% (No 59.55%).
• Despite a matched news headline, the market is flat (0.0 pp change) and the 24h/7d summary reads stable, implying little new trader disagreement.
• This market resolves on 2028-11-07, so near-term headlines matter mainly if they shift nominee feasibility over a long settlement window.

A single related item matched to this topic is titled “How AI took the field at the World Cup.” The provided feed includes the headline and publication time but no snippet details, leaving no concrete facts in the record beyond the article’s subject and title.

$676.6M in Volume, 0.0 pp Move: 49% RFK Jr vs 40.45% J.D. Vance as the Strike Ladder Stays Flat

This is a multi-outcome nominee market, so each listed name is its own Yes/No proposition rather than a single binary contract: “Robert F. Kennedy Jr.” trades at Yes 49% / No 51%, while “J.D. Vance” is Yes 40.45% / No 59.55% and “Marco Rubio” is Yes 27.95% / No 72.05%. Longer-tail outcomes show how sharply the market discounts alternatives, with “Donald Trump” at Yes 1.35% / No 98.65% and “Ron DeSantis” at Yes 2.45% / No 97.55%. Pricing efficiency signals are muted: the market is flat on the snapshot (0.0 pp change) and the historical summary reports low volatility, neutral trend, weak momentum, and 0.0 change over both 24h and 7d, consistent with a stable consensus rather than a reactionary repricing. The $676.6M volume indicates heavy participation, but the absence of movement suggests that—at least in this data window—traders did not map the matched headline into a change in nomination probabilities.

Watch whether the leader/runner-up gap tightens from 49% vs 40.45% as new, nomination-relevant catalysts arrive; in a multi-outcome market, the key signal is relative probability rotation across top contenders rather than small moves in long shots.

What Traders Monitor Next on Polymarket: Cross-Contract Signals from Macro and Crypto Markets That Can Spill Into 2028 N

Beyond the nominee board, traders often cross-check sentiment in adjacent, high-liquidity Polymarket contracts that can reframe the broader 2028 narrative and risk appetite. “19.85%: Presidential Election Winner 2028” leads with JD Vance on $663,931,043 in volume (up 3.45 pp), while “99.55%: Next leader out of power before 2027? (No Orban)” prices Starmer – UK PM on $66,887,583 (up 0.45 pp). For shorter-dated positioning, “99.45%: Trump out as President by July 31?” sits on No with $1,500,677 traded (up 0.3 pp), offering a quick read on how much near-term uncertainty is being priced alongside longer-horizon election contracts.

Odds Trend

By the Numbers

• Platform: Polymarket
• Market: Republican Presidential Nominee 2028
• Contract type: Price strike ladder: each rung has separate Yes/No; Yes means the spot price is above that USD strike at settlement.
• Resolution window: Nov 07, 2028 (UTC)
• Status: Active (open for trading)
• Volume: ~$676,585,156

Top strike rungs

+32 more strikes not shown

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