Key points
Share of S&P 500 members with negative beta, 3-month and 1-year (1990-2026) ｜ The 3-month measure hit 45%, the highest since the 2000-01 tech bubble, signaling deep market divergence
Image source: @BlakeMillardCFA
2026-09-25
Share of S&P 500 Stocks With Negative Beta Jumps to 45%, Near the 2000 Tech-Bubble Peak