Vanguard S&P 500 ETF (VOO) - September 2, 2025 Market Update

VOO opened lower and closed modestly down on the first trading day of September, in line with the seasonal “September curse.”

The Vanguard S&P 500 ETF (VOO) posted a 0.29% decline on September 2, 2025, echoing the historical trend of the S&P 500’s underperformance at the start of the month. The drop came amid broadly mixed market sentiment, as investors weighed robust Big Tech earnings against rising Treasury yields.

VOO’s movement mirrored the S&P 500, which has averaged a 0.29% pullback on the first trading day of September since 2009. Coming off a 9.28% rally over the prior three months-the strongest pre-September surge since 2020-VOO’s modest retreat highlights seasonal volatility rather than a shift in the broader bullish market narrative.

Key metrics for VOO on September 2:

Market participants will closely monitor upcoming economic data and Fed communications for clues on rate policy, which could dictate VOO’s direction through the heart of what is historically one of the S&P 500’s most challenging months.