Methodology: Current constituents, not point-in-time membership. History starts 2012-11-14 and can carry survivorship or constituent-change bias.
Market Signal
S&P 500 Sector Volatility (20D)
This board shows where sector-level risk is rising or cooling off, which helps separate fragile leadership from steady leadership.
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The latest series values are listed below the chart. Visible-window CSV and full-history JSON downloads are available above.
Use Value for the raw series and % from view start to rebase the first visible value in the current window to 0%.
Latest 20-Day Sector Volatility
Higher readings indicate greater realized risk, not stronger performance. Updated through 2026-08-26.
Historical Context
Toggle the market-event markers above when you want to line recent regime shifts up with the signal.
How To Read It
- High readings mean sector-level price swings are becoming less orderly and more fragile.
- Risk matters most when it stays elevated after a move rather than fading quickly.
- Compare sector volatility with sector momentum to see whether leadership is strong or simply unstable.
ChartVault keeps the chart free and focused. The broader interpretation and setups continue in the publications below.