S&P 500 · Log YoY — Fourteen Crossings of Zero
On a log year-over-year scale, positive is bull and negative is bear. Fourteen zero-line crossings since 1928 — each one a handoff between cycles.
What this page answers
This static page is built to answer searches for S&P 500 · Log YoY. It summarizes the live dataset behind the Fourteen Crossings of Zero panel and links to the full interactive chart.
On a log year-over-year scale, positive is bull and negative is bear. Fourteen zero-line crossings since 1928 — each one a handoff between cycles. 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
- 2026-04-30
- Latest close
- 7,135.952026-04-29
- Observations
- 24,698
- Sample
- 1927-12-30 – 2026-04-29
Static Preview
Data & Source
GET /api/sp500/price.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.