S&P500 · 構成変更 — 採用と除外の履歴
過去 10 年の構成変更記録。一つひとつの追加・削除が上場企業の盛衰の記録。指数はこれで米経済と歩調を合わせ続ける。
What this page answers
This static page is built to answer searches for S&P500 · 構成変更. It summarizes the live dataset behind the 採用と除外の履歴 panel and links to the full interactive chart.
過去 10 年の構成変更記録。一つひとつの追加・削除が上場企業の盛衰の記録。指数はこれで米経済と歩調を合わせ続ける。 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
- 2026-04-20
- Observations
- 229
Static Preview
Data & Source
GET /api/sp500/changes.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.