**United Russia’s dominant position in the just-concluded September 18–20, 2026 State Duma election stems from its status as the incumbent ruling party in a tightly controlled political system.** Partial Central Election Commission results after roughly half the protocols show the party at approximately 57.8 percent on the proportional list, well ahead of the Communists, LDPR, New People, and A Just Russia, all of which cleared the 5 percent threshold. The party is also leading in the large majority of the 225 single-member districts. Combined, these trends point to a seat total in the low-to-mid 340s, comfortably above the 300-seat constitutional-majority mark and consistent with its 324 seats in 2021. The three-day voting format, exclusion of the main anti-war party Yabloko from the federal list, and the absence of genuine opposition candidates reinforced the outcome. Official statements from CEC Deputy Chairman Nikolay Bulaev on September 21 confirmed expectations of a constitutional majority. The market’s 70 percent weighting on the 340–354 seat band therefore reflects the convergence of list share, district sweeps, and structural advantages that have defined recent Russian parliamentary contests.