US MIDTERMS HISTORICALLY SIGNAL STRONG STOCK MARKET GAINS The S&P 500 has gained an average of approximately 7% during the fourth quarter of midterm election years, according to Deutsche Bank strategist Parag Thatte. Over the past 23 midterm election years, the index posted fourth-quarter gains in 21, an impressive 91% historical success rate. 03-NOV-2026 06:35 AM ET