S&P500 · 歴史的下落 — すべての深い下落には名前がある
1929 年の断崖から 2020 年のパンデミックまで。数十回の大幅ドローダウンが、それぞれの形と注釈を残している。
What this page answers
This static page is built to answer searches for S&P500 · 歴史的下落. It summarizes the live dataset behind the すべての深い下落には名前がある panel and links to the full interactive chart.
1929 年の断崖から 2020 年のパンデミックまで。数十回の大幅ドローダウンが、それぞれの形と注釈を残している。 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
- Max decline
- -56.8%
- Median decline
- -7.6%
- Drawdowns
- 41
Static Preview
Data & Source
GET /api/sp500/drawdowns.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.