# Republican Presidential Nominee 2028 — Live Odds & Analysis

> Traders price J.D. Vance as the most likely Republican nominee for 2028 at 38.8%, followed by Marco Rubio at 18.1%. The field is otherwise priced in low single digits or below. 12 markets, $718.27M volume on Polymarket.

- **Canonical:** https://agentflare.org/predictions/republican-presidential-nominee-2028.html
- **Updated:** 2026-10-28
- **Category:** predictions
- **Full structured data:** `/predictions/republican-presidential-nominee-2028.data.json` — $0.01 via AISA HTTP 402 (https://esa.aisa.one/api/v1/access/verify; agents set crawlerAutoPrice=true)

## Key data

- **Total volume:** $718.27M
- **24h volume:** $988,800
- **Markets:** 12
- **Leading:** J.D. Vance 38.8%
- **Ends:** 2028-11-08

Traders price J.D. Vance as the most likely Republican nominee for 2028 at 38.8%, followed by Marco Rubio at 18.1%. The field is otherwise priced in low single digits or below.

_…full analysis and the complete dataset are available to agents for $0.01 — fetch `/predictions/republican-presidential-nominee-2028.data.json` (HTTP 402)._

## Sources

1. [Republican Presidential Nominee 2028 on Polymarket](https://polymarket.com/event/republican-presidential-nominee-2028)
2. [Polymarket via AISA API](https://aisa.one/docs/api-reference/prediction-market/get_polymarket-events)

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