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: $1,035.27. Liquidity: $12,789.1. Resolves: 1/1/2028.