The S&P 500 index has shown varied performance metrics over the years, with a year-to-date return of -4% as of March 21, 2025. However, the index has gained 8% over the past year and has seen substantial long-term growth, with returns of 168% over the last decade, 375% over the last two decades, 1,040% over the last 30 years, and an impressive 3,045% over the last 40 years. Additionally, historical data indicates that April has been a strong month for the S&P 500, boasting a 71% win rate and an average return of 1.61% over the past 50 years. Currently, the S&P 500 is up 1% year-to-date, with forecasts for the year-end performance being updated.