Stock market prediction: Quarterly S&P 500 Forecast

2026 Q2- 2026 Q3

June 1st 2026

Our quarterly S&P 500 forecast for 2026 Q2 (average price returns) is a 6.3 percent growth over the first quarter of 2026. We forecast 2.8% growth for Q3 over the average of Q2. Our monthly forecast for June is only slightly lower than May’s average.

Volatility concerning frequent changes in tariff rates and timings, and geopolitical conflicts, cannot be captured in a forecast model. Thus, any uncertainty concerning these issues makes the 95 % confidence interval around the point forecast rather wide.       

S&P 500 2026 Q3 forecast
Source: Historical data from FRED (price returns) and the forecast are our own estimations based on the data from May 30th 2026
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