IWB vs IWM · 2000—現在 — 大型株が小型株を圧倒した二十六年
ラッセル 1000（IWB）とラッセル 2000（IWM）のトータルリターン、2000 年 5 月に各 100 を投資。集中度が上がる時代は大型株の時代。
What this page answers
This static page is built to answer searches for IWB vs IWM · 2000—現在. It summarizes the live dataset behind the 大型株が小型株を圧倒した二十六年 panel and links to the full interactive chart.
ラッセル 1000（IWB）とラッセル 2000（IWM）のトータルリターン、2000 年 5 月に各 100 を投資。集中度が上がる時代は大型株の時代。 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
- 2026-07-11
Static Preview
Data & Source
GET /api/latest/concentration.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.