**Trader consensus on the next Senate minority leader remains closely divided, reflecting uncertainty over which party will control the chamber after the November 2026 elections.** Democrats currently hold a modest edge in Senate control markets, which would position a Republican as minority leader, while a GOP hold would likely leave Chuck Schumer in that role or prompt a Democratic transition. John Thune leads at 44% as the incumbent Republican leader with broad conference support and no serious internal challenge, though Tom Cotton and others appear as longer-shot alternatives. Schumer sits at 28.5% amid mixed signals from incoming Democratic candidates, some of whom have signaled opposition to his continued leadership. Recent polling gains for Democratic Senate candidates in states such as Alaska, Ohio, and Texas have kept both scenarios viable, with caucus votes and any post-election negotiations poised to shift probabilities once results are finalized.