Who will run for the Republican presidential nomination in 2028?

Prediction markets currently give a 37% probability that Who will run for the Republican presidential nomination in 2028?. This contract trades at 37¢ on Kalshi, closing January 1, 2028. This Rand Paul 2028 Republican nomination market shows extreme volatility (249% realized vol) and a stark asymmetry in risk-adjusted yields (100% on Yes vs.

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37¢
Bid/Ask 37/42¢·Spread 5¢·Vol $14·OI $5,659·Closes Jan 1, 2028·620d remaining
KX2028RRUN-28-RPAU
7-day price74 snapshots · 3 regime
38¢37¢ current
Apr 834¢Apr 21

Analysis

4d ago

This Rand Paul 2028 Republican nomination market shows extreme volatility (249% realized vol) and a stark asymmetry in risk-adjusted yields (100% on Yes vs. 34.3% on No), suggesting significant uncertainty about his candidacy announcement despite the modest 42¢ price. The $0 24-hour volume combined with $5,674 open interest and a 5¢ spread indicates thin liquidity, making the 99.5% annualized yield on the Yes side potentially misleading—this high yield reflects the long 625-day time horizon and low probability rather than market inefficiency. The recent 7-day price movement from 34¢ to 37¢ and elevated info arrival rate (0.9/h) suggest active speculation, but the neutral regime and low volume warrant caution on directional conviction.

Cross-venue

Also on polymarket at ¢

View counterpart →Match confidence 0.88Close-time delta 7449h

Resolution rules

If Rand Paul announces a presidential campaign to contest the presidential nomination of the Republican party for the 2028 U.S. presidential election before Jan 1, 2028, then the market resolves to Yes.

Indicators

IY (Yes) 100.3%
IY (No) 34.6%
Adj IY 100%
CRI 2
RV 281%
VR 2.66
▶ Full indicator table (8)
IndicatorValue
IY (Yes)100.3%
IY (No)34.6%
Adj IY100%
CRI2
RV281%
VR2.66
IAR0.7/h
Overround6.9%

Regime

Label
neutral
Score
0.5
Spread
5¢
Computed
4/21/2026, 8:19:42 PM
Indicators computed 4/21/2026, 8:08:17 PM

Trade

View on kalshisf trade KX2028RRUN-28-RPAU yes 100

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