S&P500 · 月次ヒートマップ — 12 か月の季節性

Name: 12 か月の季節性 — canonical dataset
Creator: History of Market
License: https://creativecommons.org/licenses/by/4.0/

2000 年以降の月別リターン。11 月と 4 月の勝率が最も高く、9 月は歴史的に最も赤字になりやすい。

View the interactive chart Download raw JSON

What this page answers

This static page is built to answer searches for S&P500 · 月次ヒートマップ. It summarizes the live dataset behind the 12 か月の季節性 panel and links to the full interactive chart.

2000 年以降の月別リターン。11 月と 4 月の勝率が最も高く、9 月は歴史的に最も赤字になりやすい。 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

Static Preview

Data & Source

GET /api/sp500/monthly.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.