PHLX SOX · 1994 to present — Three decades of the Philadelphia Semiconductor Index
Daily closes since May 1994, with the drawdown ribbon beneath. The chart spans two crashes (2000, 2008), two mid-cycle drawdowns (2018, 2022) and the AI-era bull — the highest-amplitude industry in U.S. equities on a single canvas.
What this page answers
This static page is built to answer searches for PHLX SOX · 1994 to present. It summarizes the live dataset behind the Three decades of the Philadelphia Semiconductor Index panel and links to the full interactive chart.
Daily closes since May 1994, with the drawdown ribbon beneath. The chart spans two crashes (2000, 2008), two mid-cycle drawdowns (2018, 2022) and the AI-era bull — the highest-amplitude industry in U.S. equities on a single canvas. 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
- 2026-05-11
- Latest close
- 12,047.742026-05-11
- Observations
- 8,059
- Sample
- 1994-05-04 – 2026-05-11
Static Preview
Data & Source
GET /api/semi/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.