S&P500 · 実現ボラ — マーケットの呼吸数
20 日と 60 日の年率ボラティリティ。長期中央値はおよそ 15%。30% を超えると、ほぼ毎回なんらかの転換点が背後にある。
What this page answers
This static page is built to answer searches for S&P500 · 実現ボラ. It summarizes the live dataset behind the マーケットの呼吸数 panel and links to the full interactive chart.
20 日と 60 日の年率ボラティリティ。長期中央値はおよそ 15%。30% を超えると、ほぼ毎回なんらかの転換点が背後にある。 The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.
Latest Snapshot
- Updated
- 2026-04-25
- Observations
- 24,695
- Sample
- 1927-12-30 – 2026-04-24
- 20D vol
- +16.4%2026-04-24
- 60D vol
- +15.4%2026-04-24
Static Preview
Data & Source
GET /api/sp500/volatility.json — Canonical dataset endpoint.
Yahoo Finance · Macrotrends · Robert Shiller · FRED · S&P Global · Nasdaq · NBER.
FAQ
Where does this data come from?
History of Market combines public market and macro datasets including Yahoo Finance, Macrotrends, Robert Shiller, FRED, S&P Global, Nasdaq, and NBER. The exact endpoint for this panel is linked below.
How often is it updated?
Daily-tier datasets refresh after the U.S. market close, with a broader weekly refresh on Sunday. The timestamp shown on this page comes from the JSON payload.
Can I use the data?
Yes, for research and education with attribution to History of Market. Upstream data sources retain their own terms.