S&P 500 Achieves Strongest Quarter Since 2020: What History Suggests for Future Market Movements

Key Points

• The S&P 500 gained 15% in Q1 2026, marking its best quarterly performance since Q2 2020.

• Historically, following quarterly gains of at least 10%, the S&P 500 returns an average of 13% in the subsequent year.

• Wall Street anticipates the S&P 500 will rise to 8,918 by July 2027, suggesting a 19% increase from its current level of 7,499.

The S&P 500 (SNPINDEX: ^GSPC) rose by 15% during Q1 2026 despite ongoing economic uncertainty stemming from the Iran conflict. This represents the index’s most substantial quarterly increase since gaining 20% in Q2 2020. Analysts highlight that S&P 500 companies experienced a 28% earnings growth in Q1 2026, the fastest since Q4 2021, and predict overall earnings growth of 24% for the year.

Given historical trends, when the S&P 500 has previously achieved quarterly gains exceeding 10%, it typically returns an average of 13% in the following year. If this pattern continues, the index could reach 8,474 by July 2027. In comparison, Wall Street forecasts suggest a more optimistic increase to 8,918 based on strong company performance and particularly impressive growth within the technology sector, which rose 55% in Q1 due to demand for artificial intelligence infrastructure.