Insights
What shows up when you look at market data over decades. Every number is calculated from the source data.
Columns
October 18, 2026
After the worst years, what came next?
Every losing year for the S&P 500 since 1928, and the year after. Plus Europe, the UK, Japan and Korea.
October 18, 2026
Even Buffett had losing years: 61 years of Berkshire vs. the S&P 500
We lined up every year from Berkshire Hathaway's own scorecard (1965–2025) against the S&P 500.
October 19, 2026
What if you missed the market's 10 best days? 20 years of the S&P 500
Over 20 years and 5,000-plus trading days of the S&P 500, we checked what happens when you sit out just a handful of the best ones.