Incumbent Democrat Derek Tran defeated Republican Chuong Vo in the November 3, 2026, CA-45 general election on newly drawn district lines. Final tallies show Tran at approximately 60% to Vo’s 40%, producing a roughly 20-point Democratic margin that aligns with the highest-probability market bucket. Pre-election factors included Tran’s substantial fundraising edge, incumbency after a narrow 2024 win, and the district’s underlying Democratic lean reflected in recent presidential voting. The crowded Republican primary produced Vo as the nominee but left limited time or resources for a competitive general-election challenge. Vote counting continues in some counties, yet the existing lead places the outcome well beyond typical recount thresholds and supports current trader pricing around a 15–25-point Democratic margin of victory.