**Trader consensus on the next Senate minority leader remains closely divided, with John Thune at 45.5% and Chuck Schumer at 34.0% leading the field ahead of the November 2026 midterms.** Republicans currently hold a 53-47 majority, but forecasts show Democrats favored to gain the four seats needed for control, which would position the GOP leader as minority leader. Thune has publicly stated plans to seek another term regardless of the outcome, drawing on his conference support despite some internal criticism of his style. Schumer has similarly committed to running again and retains broad caucus backing, though several incoming Democratic senators have signaled reservations. Other Republicans such as John Barrasso and Tom Cotton, along with Democrats including Brian Schatz and Cory Booker, register lower probabilities as potential alternatives in post-election leadership votes. The November results and subsequent closed-door conferences will determine party control and set the final field, keeping probabilities fluid until then.