S&P500 · 年内ドローダウン — 年内の最大下落幅 vs 年末リターン
99 年の平均：年内ドローダウンは約 -14%。それでも年末の平均はプラス。途中の揺れを耐えた投資家は、最後には報われてきた。
What this page answers
This static page is built to answer searches for S&P500 · 年内ドローダウン. It summarizes the live dataset behind the 年内の最大下落幅 vs 年末リターン panel and links to the full interactive chart.
99 年の平均：年内ドローダウンは約 -14%。それでも年末の平均はプラス。途中の揺れを耐えた投資家は、最後には報われてきた。 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
- Observations
- 99
- Average
- -16.2%
- Latest
- +8.1%
Static Preview
Data & Source
GET /api/sp500/intrayear-dd.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.