Elections · 2028

Will anyone win every 2028 Republican primary and caucus?

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Rules

If one candidate wins every 2028 Republican presidential primary and caucus in the states and the District of Columbia held before Sep 1, 2028, then the market resolves to Yes. The qualifying contests are the 2028 Republican presidential primaries and caucuses held before Sep 1, 2028 in each U.S. state and in the District of Columbia. For each state, the contest is the statewide primary or caucus that allocates the most Republican national convention delegates from that state (the earlier one if two allocate the same number); in the District of Columbia, it is the citywide primary or caucus. For Michigan, Montana, New Mexico, Oregon and South Dakota, the contest is the state-run primary, whether or not it binds delegates. A candidate wins a contest by receiving the most votes in its final round of counting, not delegates or state delegate equivalents. "Uncommitted" and similar ballot options are not candidates. Projections and preliminary results do NOT count; only official results do. If a contest's official results name no single winner, that contest has no winner. The following are not qualifying contests and do NOT affect the outcome: A contest that is not held before Sep 1, 2028 A contest whose official results report no statewide vote count A contest in a U.S. territory The number is 1 if one candidate wins every qualifying contest, and 0 otherwise.

Timeline

  • Market opened
    2026-11-10 17:13:10 UTC
  • Event starts
    2026-11-06 00:00:00 UTC
  • Market closes
    2028-09-01 13:59:00 UTC
  • Payout
    Winning contracts pay $1.00 each once the result is confirmed

About

Before Sep 1, 2028 Prices follow the matching market on Kalshi (KXRPRESSWEEP-28SEP01) and then move with trading here.