Who will run for the 2028 Republican presidential nomination?

Prediction market on kalshi. If Marco Rubio 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.

24h Volume: $3.09. Liquidity: $11,211.62. Resolves: 1/1/2028.