Marco Rubio officially declares 2028 GOP presidential bid

Ken Griffin's endorsement significantly strengthens Rubio’s positioning in the 2028 primary. Griffin’s past donations to Rubio in 2016 and $100M+ in 2024 cycling funding indicate structural support that could push Rubio to enter the race.

geopolitics · Prediction Market

Implied probability (Yes)

75%

Closes

2026-12-31

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