S&P 500 Snapshot: Index Posts 2.3% Gain in October

Core Insights - The S&P 500 finished October with a gain of 2.3% from September, marking its fourth weekly gain in the last five weeks [1] - Year-to-date, the S&P 500 is up 16.56%, while the S&P Equal Weight Index has increased by 7.53% [4] Performance Overview - The S&P 500 index recorded a weekly gain of 0.7% [1] - Historical context shows the index reached an all-time high of 1565.15 on October 9, 2007, before experiencing a significant drop of approximately 57% by March 9, 2009, during the Global Financial Crisis [1] - The index took over five years to recover and reach a new all-time high of 1569.19 on March 28, 2013 [1] Volatility Analysis - The S&P 500 experienced its largest intraday price volatility of 10.77% on April 9, 2023, since December 24, 2018 [3] - The average percent change from intraday low to high over the past 20 days is 1.07% [3] Index Comparison - The S&P 500 is a market cap-weighted index, while the S&P Equal Weight Index gives equal weight to each constituent [4] - The performance disparity between the two indices highlights the stronger performance of the S&P 500 in 2023 [4]