← the 2028 Republican nomination
2028 Republican nomination odds: Kalshi vs Polymarket
9 outcomes of 2028 Republican nomination are priced on both exchanges, J.D. Vance highest at 43% on Kalshi and 44% on Polymarket. Side by side prices, $1.2M traded in 24 hours, updated every 45 seconds.
Tue, Nov 7, 2028, 11:59 PM ET · the 2028 Republican nomination · $1.2M traded in 24h across both venues
Marco Rubio: Kalshi $0.19 vs Polymarket $0.15, +$0.04
Mid prices, in dollars on a contract that pays $1 if it happens: $0.19 is a 19% chance. The gap is Kalshi minus Polymarket.
Two separate exchanges, two accounts. Links may carry a referral code, which never changes what is shown. Disclosures.
All outcomes
| Outcome | Kalshi bid / ask | Polymarket bid / ask | Gap, + = Kalshi higher |
|---|---|---|---|
| J.D. Vance | $0.42 / $0.43 | $0.44 / $0.44 | −$0.01 |
| Marco Rubio | $0.18 / $0.19 | $0.15 / $0.15 | +$0.04 |
| Ron DeSantis | $0.05 / $0.05 | $0.03 / $0.03 | +$0.02 |
| Tucker Carlson | $0.02 / $0.02 | $0.03 / $0.03 | −$0.01 |
| Ted Cruz | $0.02 / $0.02 | $0.02 / $0.03 | $0.00 |
| Donald Trump | $0.02 / $0.02 | $0.02 / $0.02 | $0.00 |
| Brian Kemp | $0.02 / $0.02 | $0.01 / $0.01 | +$0.01 |
| Ivanka Trump | $0.01 / $0.01 | $0.01 / $0.02 | $0.00 |
| Glenn Youngkin | $0.01 / $0.01 | $0.00 / $0.00 | +$0.01 |
Price history, last 3 days
How this is matched
Multi-outcome markets are matched outcome by outcome by name, with an alias table for the usual spellings. Polymarket prices come from its live order book, Kalshi from its public API. Refreshed every 45 seconds. Only outcomes both exchanges price are shown here, and these 9 cover 77% of the Kalshi market, so names one exchange lists alone are missing from this table.
What this is not
Read-only. Nothing here places or routes orders and nothing is advice. Fees, slippage and the time it takes to move money between venues are not in these numbers.