Republicans currently hold a narrow House majority of roughly 218-213 seats amid ongoing vacancies and recent special elections that have largely resulted in partisan holds. With only about two months remaining before the November 2026 midterms, the probability of enough additional Republican vacancies, rapid special elections, and Democratic flips to erase that margin is viewed as negligible by traders. Historical precedent shows mid-session majority changes are exceptionally rare, and no cluster of developments has emerged to threaten the current balance. While unforeseen events such as multiple simultaneous resignations or deaths in Republican districts could theoretically accelerate a shift, the compressed timeline and procedural requirements for filling seats make such a reversal before Election Day highly improbable.